/*  Prototype JavaScript framework, version 1.6.0.2
 *  (c) 2005-2008 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.6.0.2',

  Browser: {
    IE:     !!(window.attachEvent && !window.opera),
    Opera:  !!window.opera,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      document.createElement('div').__proto__ &&
      document.createElement('div').__proto__ !==
        document.createElement('form').__proto__
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },
  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;


/* Based on Alex Arnell's inheritance implementation. */
var Class = {
  create: function() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      var subclass = function() { };
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0; i < properties.length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;

    return klass;
  }
};

Class.Methods = {
  addMethods: function(source) {
    var ancestor   = this.superclass && this.superclass.prototype;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length)
      properties.push("toString", "valueOf");

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames().first() == "$super") {
        var method = value, value = Object.extend((function(m) {
          return function() { return ancestor[m].apply(this, arguments) };
        })(property).wrap(method), {
          valueOf:  function() { return method },
          toString: function() { return method.toString() }
        });
      }
      this.prototype[property] = value;
    }

    return this;
  }
};

var Abstract = { };

Object.extend = function(destination, source) {
  for (var property in source)
    destination[property] = source[property];
  return destination;
};

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (Object.isUndefined(object)) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : String(object);
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (Object.isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (!Object.isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  },

  toQueryString: function(object) {
    return $H(object).toQueryString();
  },

  toHTML: function(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({ }, object);
  },

  isElement: function(object) {
    return object && object.nodeType == 1;
  },

  isArray: function(object) {
    return object != null && typeof object == "object" &&
      'splice' in object && 'join' in object;
  },

  isHash: function(object) {
    return object instanceof Hash;
  },

  isFunction: function(object) {
    return typeof object == "function";
  },

  isString: function(object) {
    return typeof object == "string";
  },

  isNumber: function(object) {
    return typeof object == "number";
  },

  isUndefined: function(object) {
    return typeof object == "undefined";
  }
});

Object.extend(Function.prototype, {
  argumentNames: function() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
    return names.length == 1 && !names[0] ? [] : names;
  },

  bind: function() {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = $A(arguments), object = args.shift();
    return function() {
      return __method.apply(object, args.concat($A(arguments)));
    }
  },

  bindAsEventListener: function() {
    var __method = this, args = $A(arguments), object = args.shift();
    return function(event) {
      return __method.apply(object, [event || window.event].concat(args));
    }
  },

  curry: function() {
    if (!arguments.length) return this;
    var __method = this, args = $A(arguments);
    return function() {
      return __method.apply(this, args.concat($A(arguments)));
    }
  },

  delay: function() {
    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  },

  wrap: function(wrapper) {
    var __method = this;
    return function() {
      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
    }
  },

  methodize: function() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      return __method.apply(null, [this].concat($A(arguments)));
    };
  }
});

Function.prototype.defer = Function.prototype.delay.curry(0.01);

Date.prototype.toJSON = function() {
  return '"' + this.getUTCFullYear() + '-' +
    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
    this.getUTCDate().toPaddedString(2) + 'T' +
    this.getUTCHours().toPaddedString(2) + ':' +
    this.getUTCMinutes().toPaddedString(2) + ':' +
    this.getUTCSeconds().toPaddedString(2) + 'Z"';
};

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = new Element('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  times: function(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  unfilterJSON: function(filter) {
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
  },

  isJSON: function() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  },

  evalJSON: function(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  },

  include: function(pattern) {
    return this.indexOf(pattern) > -1;
  },

  startsWith: function(pattern) {
    return this.indexOf(pattern) === 0;
  },

  endsWith: function(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  },

  empty: function() {
    return this == '';
  },

  blank: function() {
    return /^\s*$/.test(this);
  },

  interpolate: function(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }
});

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
  escapeHTML: function() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  },
  unescapeHTML: function() {
    return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (Object.isFunction(replacement)) return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
};

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

with (String.prototype.escapeHTML) div.appendChild(text);

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return '';

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3];
      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    });
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = {
  each: function(iterator, context) {
    var index = 0;
    iterator = iterator.bind(context);
    try {
      this._each(function(value) {
        iterator(value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var index = -number, slices = [], array = this.toArray();
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  },

  all: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator(value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator(value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator(value, index));
    });
    return results;
  },

  detect: function(iterator, context) {
    iterator = iterator.bind(context);
    var result;
    this.each(function(value, index) {
      if (iterator(value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator, context) {
    iterator = iterator.bind(context);
    var results = [];
    this.each(function(value, index) {
      if (iterator(value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(filter, iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(filter);

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator(value, index));
    });
    return results;
  },

  include: function(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator, context) {
    iterator = iterator.bind(context);
    this.each(function(value, index) {
      memo = iterator(memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator(value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator(value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator(value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator, context) {
    iterator = iterator.bind(context);
    var results = [];
    this.each(function(value, index) {
      if (!iterator(value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator, context) {
    iterator = iterator.bind(context);
    return this.map(function(value, index) {
      return {value: value, criteria: iterator(value, index)};
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

  size: function() {
    return this.toArray().length;
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
};

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  filter:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray,
  every:   Enumerable.all,
  some:    Enumerable.any
});
function $A(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

if (Prototype.Browser.WebKit) {
  $A = function(iterable) {
    if (!iterable) return [];
    if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
        iterable.toArray) return iterable.toArray();
    var length = iterable.length || 0, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
  };
}

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(Object.isArray(value) ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  },

  intersect: function(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  },

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  },

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }
});

// use native browser JS 1.6 implementation if available
if (Object.isFunction(Array.prototype.forEach))
  Array.prototype._each = Array.prototype.forEach;

if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
  i || (i = 0);
  var length = this.length;
  if (i < 0) i = length + i;
  for (; i < length; i++)
    if (this[i] === item) return i;
  return -1;
};

if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
  var n = this.slice(0, i).reverse().indexOf(item);
  return (n < 0) ? n : i - n - 1;
};

Array.prototype.toArray = Array.prototype.clone;

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (Object.isArray(arguments[i])) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  };
}
Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator) {
    $R(0, this, true).each(iterator);
    return this;
  },

  toPaddedString: function(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  },

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

$w('abs round ceil floor').each(function(method){
  Number.prototype[method] = Math[method].methodize();
});
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  return {
    initialize: function(object) {
      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
    },

    _each: function(iterator) {
      for (var key in this._object) {
        var value = this._object[key], pair = [key, value];
        pair.key = key;
        pair.value = value;
        iterator(pair);
      }
    },

    set: function(key, value) {
      return this._object[key] = value;
    },

    get: function(key) {
      return this._object[key];
    },

    unset: function(key) {
      var value = this._object[key];
      delete this._object[key];
      return value;
    },

    toObject: function() {
      return Object.clone(this._object);
    },

    keys: function() {
      return this.pluck('key');
    },

    values: function() {
      return this.pluck('value');
    },

    index: function(value) {
      var match = this.detect(function(pair) {
        return pair.value === value;
      });
      return match && match.key;
    },

    merge: function(object) {
      return this.clone().update(object);
    },

    update: function(object) {
      return new Hash(object).inject(this, function(result, pair) {
        result.set(pair.key, pair.value);
        return result;
      });
    },

    toQueryString: function() {
      return this.map(function(pair) {
        var key = encodeURIComponent(pair.key), values = pair.value;

        if (values && typeof values == 'object') {
          if (Object.isArray(values))
            return values.map(toQueryPair.curry(key)).join('&');
        }
        return toQueryPair(key, values);
      }).join('&');
    },

    inspect: function() {
      return '#<Hash:{' + this.map(function(pair) {
        return pair.map(Object.inspect).join(': ');
      }).join(', ') + '}>';
    },

    toJSON: function() {
      return Object.toJSON(this.toObject());
    },

    clone: function() {
      return new Hash(this);
    }
  }
})());

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
};

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});

Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();

    if (Object.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
    else if (Object.isHash(this.options.parameters))
      this.options.parameters = this.options.parameters.toObject();
  }
});

Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      // when GET, append parameters to URL
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    // user-defined headers
    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300);
  },

  getStatus: function() {
    try {
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && this.isSameOrigin() && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      // avoid memory leak in MSIE: clean up
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  isSameOrigin: function() {
    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
      protocol: location.protocol,
      domain: document.domain,
      port: location.port ? ':' + location.port : ''
    }));
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if(readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,
  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  // DOM level 2 ECMAScript Language Binding
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}

(function() {
  var element = this.Element;
  this.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (Prototype.Browser.IE && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }
    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(this.Element, element || { });
}).call(window);

Element.cache = { };

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    $(element).style.display = 'none';
    return element;
  },

  show: function(element) {
    $(element).style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);
    content = Object.toHTML(content);
    element.innerHTML = content.stripScripts();
    content.evalScripts.bind(content).defer();
    return element;
  },

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (var position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $(element).select("*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = element.ancestors();
    return Object.isNumber(expression) ? ancestors[expression] :
      Selector.findElement(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return element.firstDescendant();
    return Object.isNumber(expression) ? element.descendants()[expression] :
      element.select(expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },

  select: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  adjacent: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = element.readAttribute('id'), self = arguments.callee;
    if (id) return id;
    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
    element.writeAttribute('id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    for (var attr in attributes) {
      name = t.names[attr] || attr;
      value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return $(element).getDimensions().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!element.hasClassName(className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return element[element.hasClassName(className) ?
      'removeClassName' : 'addClassName'](className);
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    var originalAncestor = ancestor;

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (element.sourceIndex && !Prototype.Browser.Opera) {
      var e = element.sourceIndex, a = ancestor.sourceIndex,
       nextAncestor = ancestor.nextSibling;
      if (!nextAncestor) {
        do { ancestor = ancestor.parentNode; }
        while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
      }
      if (nextAncestor && nextAncestor.sourceIndex)
       return (e > a && e < nextAncestor.sourceIndex);
    }

    while (element = element.parentNode)
      if (element == originalAncestor) return true;
    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = element.cumulativeOffset();
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value) {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = $(element).getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (window.opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'absolute') return;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    var offsets = element.positionedOffset();
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'relative') return;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

  cumulativeScrollOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  getOffsetParent: function(element) {
    if (element.offsetParent) return $(element.offsetParent);
    if (element == document.body) return $(element);

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    // find page position of source
    source = $(source);
    var p = source.viewportOffset();

    // find coordinate system to use
    element = $(element);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = element.getOffsetParent();
      delta = parent.viewportOffset();
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Element.Methods.identify.counter = 1;

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,
  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};

if (Prototype.Browser.Opera) {
  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
    function(proceed, element, style) {
      switch (style) {
        case 'left': case 'top': case 'right': case 'bottom':
          if (proceed(element, 'position') === 'static') return null;
        case 'height': case 'width':
          // returns '0px' for hidden elements; we want it to return null
          if (!Element.visible(element)) return null;

          // returns the border-box dimensions rather than the content-box
          // dimensions, so we subtract padding and borders from the value
          var dim = parseInt(proceed(element, style), 10);

          if (dim !== element['offset' + style.capitalize()])
            return dim + 'px';

          var properties;
          if (style === 'height') {
            properties = ['border-top-width', 'padding-top',
             'padding-bottom', 'border-bottom-width'];
          }
          else {
            properties = ['border-left-width', 'padding-left',
             'padding-right', 'border-right-width'];
          }
          return properties.inject(dim, function(memo, property) {
            var val = proceed(element, property);
            return val === null ? memo : memo - parseInt(val, 10);
          }) + 'px';
        default: return proceed(element, style);
      }
    }
  );

  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
    function(proceed, element, attribute) {
      if (attribute === 'title') return element.title;
      return proceed(element, attribute);
    }
  );
}

else if (Prototype.Browser.IE) {
  // IE doesn't report offsets correctly for static elements, so we change them
  // to "relative" to get the values, then change them back.
  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      var position = element.getStyle('position');
      if (position !== 'static') return proceed(element);
      element.setStyle({ position: 'relative' });
      var value = proceed(element);
      element.setStyle({ position: position });
      return value;
    }
  );

  $w('positionedOffset viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);
        // Trigger hasLayout on the offset parent so that IE6 reports
        // accurate offsetTop and offsetLeft values for position: fixed.
        var offsetParent = element.getOffsetParent();
        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
          offsetParent.setStyle({ zoom: 1 });
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = {
    read: {
      names: {
        'class': 'className',
        'for':   'htmlFor'
      },
      values: {
        _getAttr: function(element, attribute) {
          return element.getAttribute(attribute, 2);
        },
        _getAttrNode: function(element, attribute) {
          var node = element.getAttributeNode(attribute);
          return node ? node.value : "";
        },
        _getEv: function(element, attribute) {
          attribute = element.getAttribute(attribute);
          return attribute ? attribute.toString().slice(23, -2) : null;
        },
        _flag: function(element, attribute) {
          return $(element).hasAttribute(attribute) ? attribute : null;
        },
        style: function(element) {
          return element.style.cssText.toLowerCase();
        },
        title: function(element) {
          return element.title;
        }
      }
    }
  };

  Element._attributeTranslations.write = {
    names: Object.extend({
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'
    }, Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr,
      src:         v._getAttr,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);
}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if(element.tagName == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };

  // Safari returns margins on body which is incorrect if the child is absolutely
  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
  // KHTML/WebKit only.
  Element.Methods.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return Element._returnOffset(valueL, valueT);
  };
}

if (Prototype.Browser.IE || Prototype.Browser.Opera) {
  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
  Element.Methods.update = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);

    content = Object.toHTML(content);
    var tagName = element.tagName.toUpperCase();

    if (tagName in Element._insertionTranslations.tags) {
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
        .each(function(node) { element.appendChild(node) });
    }
    else element.innerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

if ('outerHTML' in document.createElement('div')) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next();
      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    t[2].times(function() { div = div.firstChild });
  } else div.innerHTML = html;
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  Object.extend(this.tags, {
    THEAD: this.tags.TBODY,
    TFOOT: this.tags.TBODY,
    TH:    this.tags.TD
  });
}).call(Element._insertionTranslations);

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    attribute = Element._attributeTranslations.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return node && node.specified;
  }
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

if (!Prototype.BrowserFeatures.ElementExtensions &&
    document.createElement('div').__proto__) {
  window.HTMLElement = { };
  window.HTMLElement.prototype = document.createElement('div').__proto__;
  Prototype.BrowserFeatures.ElementExtensions = true;
}

Element.extend = (function() {
  if (Prototype.BrowserFeatures.SpecificElementExtensions)
    return Prototype.K;

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || element._extendedByPrototype ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
      tagName = element.tagName, property, value;

    // extend methods for specific tags
    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    for (property in methods) {
      value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      // extend methods for all tags (Safari doesn't need this)
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

Element.hasAttribute = function(element, attribute) {
  if (element.hasAttribute) return element.hasAttribute(attribute);
  return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    window[klass] = { };
    window[klass].prototype = document.createElement(tagName).__proto__;
    return window[klass];
  }

  if (F.ElementExtensions) {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};

document.viewport = {
  getDimensions: function() {
    var dimensions = { };
    var B = Prototype.Browser;
    $w('width height').each(function(d) {
      var D = d.capitalize();
      dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
        (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
    });
    return dimensions;
  },

  getWidth: function() {
    return this.getDimensions().width;
  },

  getHeight: function() {
    return this.getDimensions().height;
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
  }
};
/* Portions of the Selector class are derived from Jack Slocum�s DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();
    this.compileMatcher();
  },

  shouldUseXPath: function() {
    if (!Prototype.BrowserFeatures.XPath) return false;

    var e = this.expression;

    // Safari 3 chokes on :*-of-type and :empty
    if (Prototype.Browser.WebKit &&
     (e.include("-of-type") || e.include(":empty")))
      return false;

    // XPath can't do namespaced attributes, nor can it read
    // the "checked" property from DOM nodes
    if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
      return false;

    return true;
  },

  compileMatcher: function() {
    if (this.shouldUseXPath())
      return this.compileXPathMatcher();

    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
    	      new Template(c[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        if (m = e.match(ps[i])) {
          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
            new Template(x[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
    return this.matcher(root);
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          // use the Selector.assertions methods unless the selector
          // is too complex.
          if (as[i]) {
            this.tokens.push([i, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            // reluctantly do a document-wide search
            // and look for a match in the array
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
});

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
      'checked':     "[@checked]",
      'disabled':    "[@disabled]",
      'enabled':     "[not(@disabled)]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i in p) {
            if (m = e.match(p[i])) {
              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: {
    // combinators must be listed first
    // (and descendant needs to be last combinator)
    laterSibling: /^\s*~\s*/,
    child:        /^\s*>\s*/,
    adjacent:     /^\s*\+\s*/,
    descendant:   /^\s/,

    // selectors follow
    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
    id:           /^#([\w\-\*]+)(\b|$)/,
    className:    /^\.([\w\-\*]+)(\b|$)/,
    pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
    attrPresence: /^\[([\w]+)\]/,
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
  },

  // for Selector.match and Element#match
  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
    }
  },

  handlers: {
    // UTILITY FUNCTIONS
    // joins two collections
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    // marks an array of nodes for counting
    mark: function(nodes) {
      var _true = Prototype.emptyFunction;
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = _true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = undefined;
      return nodes;
    },

    // mark each child node with its position (for nth calls)
    // "ofType" flag indicates whether we're indexing for nth-of-type
    // rather than nth-child
    index: function(parentNode, reverse, ofType) {
      parentNode._countedByPrototype = Prototype.emptyFunction;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
      }
    },

    // filters out duplicates and extends all nodes
    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (!(n = nodes[i])._countedByPrototype) {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    // COMBINATOR FUNCTIONS
    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
	      if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    // TOKEN FUNCTIONS
    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          // fastlane for ordinary descendant combinators
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;
      if (!targetNode) return [];
      if (!nodes && root == document) return [targetNode];
      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    // handles the an+b logic
    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._countedByPrototype) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        // IE treats comments as element nodes
        if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._countedByPrototype) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled) results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv.startsWith(v); },
    '$=': function(nv, v) { return nv.endsWith(v); },
    '*=': function(nv, v) { return nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
  },

  split: function(expression) {
    var expressions = [];
    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    return expressions;
  },

  matchElements: function(elements, expression) {
    var matches = $$(expression), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._countedByPrototype) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

if (Prototype.Browser.IE) {
  Object.extend(Selector.handlers, {
    // IE returns comment nodes on getElementsByTagName("*").
    // Filter them out.
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    },

    // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node.removeAttribute('_countedByPrototype');
      return nodes;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).reset();
    return form;
  },

  serializeElements: function(elements, options) {
    if (typeof options != 'object') options = { hash: !!options };
    else if (Object.isUndefined(options.hash)) options.hash = true;
    var key, value, submitted = false, submit = options.submit;

    var data = elements.inject({ }, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          if (key in result) {
            // a key is already present; construct an array of values
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return options.hash ? data : Object.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, options) {
    return Form.serializeElements(Form.getElements(form), options);
  },

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.Serializers[child.tagName.toLowerCase()])
          elements.push(Element.extend(child));
        return elements;
      }
    );
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    var elements = $(form).getElements().findAll(function(element) {
      return 'hidden' != element.type && !element.disabled;
    });
    var firstByIndex = elements.findAll(function(element) {
      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
    }).sortBy(function(element) { return element.tabIndex }).first();

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || { });

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

    if (params) {
      if (Object.isString(params)) params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(action, options);
  }
};

/*--------------------------------------------------------------------------*/

Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
};

Form.Element.Methods = {
  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = { };
        pair[element.name] = value;
        return Object.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  setValue: function(element, value) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    Form.Element.Serializers[method](element, value);
    return element;
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !['button', 'reset', 'submit'].include(element.type)))
        element.select();
    } catch (e) { }
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.blur();
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;
var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element, value);
      default:
        return Form.Element.Serializers.textarea(element, value);
    }
  },

  inputSelector: function(element, value) {
    if (Object.isUndefined(value)) return element.checked ? element.value : null;
    else element.checked = !!value;
  },

  textarea: function(element, value) {
    if (Object.isUndefined(value)) return element.value;
    else element.value = value;
  },

  select: function(element, index) {
    if (Object.isUndefined(index))
      return this[element.type == 'select-one' ?
        'selectOne' : 'selectMany'](element);
    else {
      var opt, value, single = !Object.isArray(index);
      for (var i = 0, length = element.length; i < length; i++) {
        opt = element.options[i];
        value = this.optionValue(opt);
        if (single) {
          if (value == index) {
            opt.selected = true;
            return;
          }
        }
        else opt.selected = index.include(value);
      }
    }
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    // extend element because hasAttribute may not be native
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
};

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  initialize: function($super, element, frequency, callback) {
    $super(callback, frequency);
    this.element   = $(element);
    this.lastValue = this.getValue();
  },

  execute: function() {
    var value = this.getValue();
    if (Object.isString(this.lastValue) && Object.isString(value) ?
        this.lastValue != value : String(this.lastValue) != String(value)) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback, this);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) var Event = { };

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,
  KEY_INSERT:   45,

  cache: { },

  relatedTarget: function(event) {
    var element;
    switch(event.type) {
      case 'mouseover': element = event.fromElement; break;
      case 'mouseout':  element = event.toElement;   break;
      default: return null;
    }
    return Element.extend(element);
  }
});

Event.Methods = (function() {
  var isButton;

  if (Prototype.Browser.IE) {
    var buttonMap = { 0: 1, 1: 4, 2: 2 };
    isButton = function(event, code) {
      return event.button == buttonMap[code];
    };

  } else if (Prototype.Browser.WebKit) {
    isButton = function(event, code) {
      switch (code) {
        case 0: return event.which == 1 && !event.metaKey;
        case 1: return event.which == 1 && event.metaKey;
        default: return false;
      }
    };

  } else {
    isButton = function(event, code) {
      return event.which ? (event.which === code + 1) : (event.button === code);
    };
  }

  return {
    isLeftClick:   function(event) { return isButton(event, 0) },
    isMiddleClick: function(event) { return isButton(event, 1) },
    isRightClick:  function(event) { return isButton(event, 2) },

    element: function(event) {
      var node = Event.extend(event).target;
      return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);
    },

    findElement: function(event, expression) {
      var element = Event.element(event);
      if (!expression) return element;
      var elements = [element].concat(element.ancestors());
      return Selector.findElement(elements, expression, 0);
    },

    pointer: function(event) {
      return {
        x: event.pageX || (event.clientX +
          (document.documentElement.scrollLeft || document.body.scrollLeft)),
        y: event.pageY || (event.clientY +
          (document.documentElement.scrollTop || document.body.scrollTop))
      };
    },

    pointerX: function(event) { return Event.pointer(event).x },
    pointerY: function(event) { return Event.pointer(event).y },

    stop: function(event) {
      Event.extend(event);
      event.preventDefault();
      event.stopPropagation();
      event.stopped = true;
    }
  };
})();

Event.extend = (function() {
  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (Prototype.Browser.IE) {
    Object.extend(methods, {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return "[object Event]" }
    });

    return function(event) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);
      Object.extend(event, {
        target: event.srcElement,
        relatedTarget: Event.relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });
      return Object.extend(event, methods);
    };

  } else {
    Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;
    Object.extend(Event.prototype, methods);
    return Prototype.K;
  }
})();

Object.extend(Event, (function() {
  var cache = Event.cache;

  function getEventID(element) {
    if (element._prototypeEventID) return element._prototypeEventID[0];
    arguments.callee.id = arguments.callee.id || 1;
    return element._prototypeEventID = [++arguments.callee.id];
  }

  function getDOMEventName(eventName) {
    if (eventName && eventName.include(':')) return "dataavailable";
    return eventName;
  }

  function getCacheForID(id) {
    return cache[id] = cache[id] || { };
  }

  function getWrappersForEventName(id, eventName) {
    var c = getCacheForID(id);
    return c[eventName] = c[eventName] || [];
  }

  function createWrapper(element, eventName, handler) {
    var id = getEventID(element);
    var c = getWrappersForEventName(id, eventName);
    if (c.pluck("handler").include(handler)) return false;

    var wrapper = function(event) {
      if (!Event || !Event.extend ||
        (event.eventName && event.eventName != eventName))
          return false;

      Event.extend(event);
      handler.call(element, event);
    };

    wrapper.handler = handler;
    c.push(wrapper);
    return wrapper;
  }

  function findWrapper(id, eventName, handler) {
    var c = getWrappersForEventName(id, eventName);
    return c.find(function(wrapper) { return wrapper.handler == handler });
  }

  function destroyWrapper(id, eventName, handler) {
    var c = getCacheForID(id);
    if (!c[eventName]) return false;
    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
  }

  function destroyCache() {
    for (var id in cache)
      for (var eventName in cache[id])
        cache[id][eventName] = null;
  }

  if (window.attachEvent) {
    window.attachEvent("onunload", destroyCache);
  }

  return {
    observe: function(element, eventName, handler) {
      element = $(element);
      var name = getDOMEventName(eventName);

      var wrapper = createWrapper(element, eventName, handler);
      if (!wrapper) return element;

      if (element.addEventListener) {
        element.addEventListener(name, wrapper, false);
      } else {
        element.attachEvent("on" + name, wrapper);
      }

      return element;
    },

    stopObserving: function(element, eventName, handler) {
      element = $(element);
      var id = getEventID(element), name = getDOMEventName(eventName);

      if (!handler && eventName) {
        getWrappersForEventName(id, eventName).each(function(wrapper) {
          element.stopObserving(eventName, wrapper.handler);
        });
        return element;

      } else if (!eventName) {
        Object.keys(getCacheForID(id)).each(function(eventName) {
          element.stopObserving(eventName);
        });
        return element;
      }

      var wrapper = findWrapper(id, eventName, handler);
      if (!wrapper) return element;

      if (element.removeEventListener) {
        element.removeEventListener(name, wrapper, false);
      } else {
        element.detachEvent("on" + name, wrapper);
      }

      destroyWrapper(id, eventName, handler);

      return element;
    },

    fire: function(element, eventName, memo) {
      element = $(element);
      if (element == document && document.createEvent && !element.dispatchEvent)
        element = document.documentElement;

      var event;
      if (document.createEvent) {
        event = document.createEvent("HTMLEvents");
        event.initEvent("dataavailable", true, true);
      } else {
        event = document.createEventObject();
        event.eventType = "ondataavailable";
      }

      event.eventName = eventName;
      event.memo = memo || { };

      if (document.createEvent) {
        element.dispatchEvent(event);
      } else {
        element.fireEvent(event.eventType, event);
      }

      return Event.extend(event);
    }
  };
})());

Object.extend(Event, Event.Methods);

Element.addMethods({
  fire:          Event.fire,
  observe:       Event.observe,
  stopObserving: Event.stopObserving
});

Object.extend(document, {
  fire:          Element.Methods.fire.methodize(),
  observe:       Element.Methods.observe.methodize(),
  stopObserving: Element.Methods.stopObserving.methodize(),
  loaded:        false
});

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards and John Resig. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearInterval(timer);
    document.fire("dom:loaded");
    document.loaded = true;
  }

  if (document.addEventListener) {
    if (Prototype.Browser.WebKit) {
      timer = window.setInterval(function() {
        if (/loaded|complete/.test(document.readyState))
          fireContentLoadedEvent();
      }, 0);

      Event.observe(window, "load", fireContentLoadedEvent);

    } else {
      document.addEventListener("DOMContentLoaded",
        fireContentLoadedEvent, false);
    }

  } else {
    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
    $("__onDOMContentLoaded").onreadystatechange = function() {
      if (this.readyState == "complete") {
        this.onreadystatechange = null;
        fireContentLoadedEvent();
      }
    };
  }
})();
/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
  Before: function(element, content) {
    return Element.insert(element, {before:content});
  },

  Top: function(element, content) {
    return Element.insert(element, {top:content});
  },

  Bottom: function(element, content) {
    return Element.insert(element, {bottom:content});
  },

  After: function(element, content) {
    return Element.insert(element, {after:content});
  }
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

// This should be moved to script.aculo.us; notice the deprecated methods
// further below, that map to the newer Element methods.
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  // caches x/y coordinate pair to use with overlap
  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = Element.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = Element.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  // within must be called directly before
  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  // Deprecation layer -- use newer Element methods now (1.5.2).

  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

  absolutize: function(element) {
    Position.prepare();
    return Element.absolutize(element);
  },

  relativize: function(element) {
    Position.prepare();
    return Element.relativize(element);
  },

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

  clone: function(source, target, options) {
    options = options || { };
    return Element.clonePosition(target, source, options);
  }
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  function iter(name) {
    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  }

  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  function(element, className) {
    className = className.toString().strip();
    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  } : function(element, className) {
    className = className.toString().strip();
    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
    if (!classNames && !className) return elements;

    var nodes = $(element).getElementsByTagName('*');
    className = ' ' + className + ' ';

    for (var i = 0, child, cn; child = nodes[i]; i++) {
      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
          (classNames && classNames.all(function(name) {
            return !name.toString().blank() && cn.include(' ' + name + ' ');
          }))))
        elements.push(Element.extend(child));
    }
    return elements;
  };

  return function(className, parentElement) {
    return $(parentElement || document.body).getElementsByClassName(className);
  };
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/

Element.addMethods();// EventSelectors 
// Copyright (c) 2005-2006 Justin Palmer (http://encytemedia.com)
// Examples and documentation (http://encytemedia.com/event-selectors)
// http://encytemedia.com/treasure/file/javascript/event-selectors/event-selectors.js
// 
// EventSelectors allow you access to Javascript events using a CSS style syntax.
// It goes one step beyond Javascript events to also give you :loaded, which allows 
// you to wait until an item is loaded in the document before you begin to interact
// with it.
//
// Inspired by the work of Ben Nolan's Behaviour (http://bennolan.com/behaviour)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

var EventSelectors = {
  version: '1.0_pre',
  cache: [],
  
  start: function(rules) {
    this.rules = rules || {};
    this.timer = new Array();
    this._extendRules();
    this.assign(this.rules);
  },
  
  assign: function(rules) {
    var observer = null;
    this._unloadCache();
    rules._each(function(rule) {
      var selectors = $A(rule.key.split(','));
      selectors.each(function(selector) {        
        var pair = selector.split(':');
        var event = pair[1];
        $$(pair[0]).each(function(element) {
          if(pair[1] == '' || pair.length == 1) return rule.value(element);
          if(event.toLowerCase() == 'loaded') {
            this.timer[pair[0]] = setInterval(this._checkLoaded.bind(this, element, pair[0], rule), 15);
          } else {
            observer = function(event) {
              var element = Event.element(event);
              if (element.nodeType == 3) // Safari Bug (Fixed in Webkit)
            		element = element.parentNode;
              rule.value($(element), event);
            }
            this.cache.push([element, event, observer]);
            Event.observe(element, event, observer);
          }
        }.bind(this));
      }.bind(this));
    }.bind(this));
  },
  
  // Scoped caches would rock.
  _unloadCache: function() {
    if (!this.cache) return;
    for (var i = 0; i < this.cache.length; i++) {
      Event.stopObserving.apply(this, this.cache[i]);
      this.cache[i][0] = null;
    }
    this.cache = [];
  },
  
  _checkLoaded: function(element, timer, rule) {
    var node = $(element);
    if(element.tagName != 'undefined') {
      clearInterval(this.timer[timer]);
      rule.value(node);
    }
  },
  
  _extendRules: function() {
    Object.extend(this.rules, {
     _each: function(iterator) {
       for (key in this) {
         if(key == '_each') continue;         
         var value = this[key];
         var pair = [key, value];
         pair.key = key;
         pair.value = value;
         iterator(pair);
       }
     }  
    });
  }
}

// Remove/Comment this if you do not wish to reapply Rules automatically
// on Ajax request.
// wiktor removed
//Ajax.Responders.register({
//  onComplete: function() { EventSelectors.assign(Rules);}
//})

/*
Copyright (c) 2005 JSON.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The Software shall be used for Good, not Evil.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/

/*
    The global object JSON contains two methods.

    JSON.stringify(value) takes a JavaScript value and produces a JSON text.
    The value must not be cyclical.

    JSON.parse(text) takes a JSON text and produces a JavaScript value. It will
    throw a 'JSONError' exception if there is an error.
*/
var JSON = {
    copyright: '(c)2005 JSON.org',
    license: 'http://www.crockford.com/JSON/license.html',
/*
    Stringify a JavaScript value, producing a JSON text.
*/
    stringify: function (v) {
        var a = [];

/*
    Emit a string.
*/
        function e(s) {
            a[a.length] = s;
        }

/*
    Convert a value.
*/
        function g(x) {
            var c, i, l, v;

            switch (typeof x) {
            case 'object':
                if (x) {
                    if (x instanceof Array) {
                        e('[');
                        l = a.length;
                        for (i = 0; i < x.length; i += 1) {
                            v = x[i];
                            if (typeof v != 'undefined' &&
                                    typeof v != 'function') {
                                if (l < a.length) {
                                    e(',');
                                }
                                g(v);
                            }
                        }
                        e(']');
                        return;
                    } else if (typeof x.valueOf == 'function') {
                        e('{');
                        l = a.length;
                        for (i in x) {
                            v = x[i];
                            if (typeof v != 'undefined' &&
                                    typeof v != 'function' &&
                                    (!v || typeof v != 'object' ||
                                        typeof v.valueOf == 'function')) {
                                if (l < a.length) {
                                    e(',');
                                }
                                g(i);
                                e(':');
                                g(v);
                            }
                        }
                        return e('}');
                    }
                }
                e('null');
                return;
            case 'number':
                e(isFinite(x) ? +x : 'null');
                return;
            case 'string':
                l = x.length;
                e('"');
                for (i = 0; i < l; i += 1) {
                    c = x.charAt(i);
                    if (c >= ' ') {
                        if (c == '\\' || c == '"') {
                            e('\\');
                        }
                        e(c);
                    } else {
                        switch (c) {
                        case '\b':
                            e('\\b');
                            break;
                        case '\f':
                            e('\\f');
                            break;
                        case '\n':
                            e('\\n');
                            break;
                        case '\r':
                            e('\\r');
                            break;
                        case '\t':
                            e('\\t');
                            break;
                        default:
                            c = c.charCodeAt();
                            e('\\u00' + Math.floor(c / 16).toString(16) +
                                (c % 16).toString(16));
                        }
                    }
                }
                e('"');
                return;
            case 'boolean':
                e(String(x));
                return;
            default:
                e('null');
                return;
            }
        }
        g(v);
        return a.join('');
    },
/*
    Parse a JSON text, producing a JavaScript value.
*/
    parse: function (text) {
        return (/^(\s+|[,:{}\[\]]|"(\\["\\\/bfnrtu]|[^\x00-\x1f"\\]+)*"|-?\d+(\.\d*)?([eE][+-]?\d+)?|true|false|null)+$/.test(text)) &&
            eval('(' + text + ')');
    }
};

var browser = {

	isIE: !!document.protocol,
	isGecko: !!window.atob,
	isOpera: !!window.opera,

	name: (
		document.protocol ? "ie" : (
			window.atob ? "gecko" : ( window.opera ? "opera" : undefined )
	)),

	version: (
		document.protocol ? (
			window.XMLHttpRequest ? 7 : (
				document.createComment ? 6 : (
					window.createPopup ? 5.5 : (
						window.clipboardData ? 5 : (
							window.showModalDialog ? 4 : undefined
						)
					)
				)
			)
		) : undefined
	)

}
/**
 * @url http://slayeroffice.com/code/custom_checkbox/
 * @url http://www.encytemedia.com/blog/articles/2006/02/08/working-with-events-in-prototype
 */

var miracleAjaxUpdater = Class.create();

miracleAjaxUpdater.prototype = {
	
	initialize: function() {
		// http://brian.maybeyoureinsane.net/blog/2006/03/27/attribute-selectors-in-11/
                // $$("a[rel=ajax]")
		this.elements = document.getElementsByTagNameAndAttribute("a", "ajax_target", "/.+/");
		this.elements.each(
			function(element) {
				Event.observe(element, "click", this.onClick.bindAsEventListener(this));
			}.bind(this)
		);

		Ajax.Responders.register({
			onComplete: function() { 
//				miracle.forceInit();
				document.body.style.cursor = 'default';
			}
		})
	},

	onClick: function(event) {
		var source = Event.element(event);
		document.body.style.cursor = 'wait';
		source.style.cursor = 'wait';

		new Ajax.Updater(
			source.getAttribute("ajax_target"),
			source.href, 
			{
				method: "get", 
				requestHeaders: ["X-Miracle-Request", "ajax_html"],
				evalScripts: true
			});
		Event.stop(event);
		return false;
	}

}

/*
http://dean.edwards.name/weblog/2005/12/js-tip1/
*/
var addEvent;
if (document.addEventListener) {
    addEvent = function(element, type, handler) {
        element.addEventListener(type, handler, null);
    };
} else if (document.attachEvent) {
    addEvent = function(element, type, handler) {
        element.attachEvent("on" + type, handler);
    };
} else {
    addEvent = new Function; // not supported
}

function strReplace(from, to,  str) {
    var idx = str.indexOf( from );
    while ( idx > -1 ) {
        str = str.replace( from, to );
        idx = str.indexOf( from );
    }

    return str;
}

document.getElementsByTagNameAndAttribute = function(tagname, attribute, value) {
	if (!value) value="/.+/";
	var elements=new Array();
	var inputs=document.getElementsByTagName(tagname);
	var j=0;
	if (value.substring(0,1)!="/") {
		value=new RegExp("^"+value+"$", "i");
	} else {
		value=new RegExp(value.substring(1, value.length-1), "i");
	}
	for (var i=0; i<inputs.length; i++) {
		var attr=inputs[i].getAttribute(attribute);
		if (!attr) continue;	// ha nincs ilyen attributum akkor megyunk tovabb
		var sattr=new String(attr);
		if (sattr.match(value)) {
			elements[j]=inputs[i];
			j++;
		}
	}
	return elements;
}

if (typeof(HTMLElement)!="undefined") {
	HTMLElement.prototype.getElementsByTagNameAndAttribute = document.getElementsByTagNameAndAttribute;
}


// http://weblabor.hu/blog/20060203/firebug
function printfire() {
    if (window.atob && document.createEvent) {
        printfire.args = arguments;
        var ev = document.createEvent("Events");
        ev.initEvent("printfire", false, true);
        dispatchEvent(ev);
    }
}

if (typeof(console)=="undefined") {
	console = {};
	console.log = printfire;
} else {
	printfire = console.log;
}

// http://aktuell.de.selfhtml.org/artikel/javascript/utf8b64/utf8.htm
function encode_utf8(rohtext) {
     // dient der Normalisierung des Zeilenumbruchs
     rohtext = rohtext.replace(/\r\n/g,"\n");
     var utftext = "";
     for(var n=0; n<rohtext.length; n++)
         {
         // ermitteln des Unicodes des  aktuellen Zeichens
         var c=rohtext.charCodeAt(n);
         // alle Zeichen von 0-127 => 1byte
         if (c<128)
             utftext += String.fromCharCode(c);
         // alle Zeichen von 127 bis 2047 => 2byte
         else if((c>127) && (c<2048)) {
             utftext += String.fromCharCode((c>>6)|192);
             utftext += String.fromCharCode((c&63)|128);}
         // alle Zeichen von 2048 bis 66536 => 3byte
         else {
             utftext += String.fromCharCode((c>>12)|224);
             utftext += String.fromCharCode(((c>>6)&63)|128);
             utftext += String.fromCharCode((c&63)|128);}
         }
     return utftext;
}

String.prototype.trim = function() {
	return(this.replace(/^\s+/,'').replace(/\s+$/,''));
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	} else 
		expires = "";

	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for (var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

// leading zero
function lz(nr) {
	if (nr < 10) nr = "0" + nr;
	return nr;
}

function DOM_InsertAfter(afterNode, thisNode) {
	var parent=afterNode.parentNode;
	if (parent.lastChild==afterNode) {
		return parent.appendChild(thisNode);
	} else {
		return parent.insertBefore(thisNode, afterNode.nextSibling);
	}
}

function $N(value, nan) {
	if (typeof(nan) == "undefined") nan = 0;
	var tmp = (tmp = parseInt(value)) ? tmp : nan;
	return tmp;
}

// Jeff Wong 
// http://www.faqts.com/knowledge_base/view.phtml/aid/1748

var base64s="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

function base64_encode(decStr){
decStr=escape(decStr);		
  var bits, dual, i = 0, encOut = '';
  while(decStr.length >= i + 3){
    bits =
    (decStr.charCodeAt(i++) & 0xff) <<16 |
    (decStr.charCodeAt(i++) & 0xff) <<8  |
     decStr.charCodeAt(i++) & 0xff;
    encOut +=
     base64s.charAt((bits & 0x00fc0000) >>18) +
     base64s.charAt((bits & 0x0003f000) >>12) +
     base64s.charAt((bits & 0x00000fc0) >> 6) +
     base64s.charAt((bits & 0x0000003f));
    }
  if(decStr.length -i > 0 && decStr.length -i < 3){
    dual = Boolean(decStr.length -i -1);
    bits =
     ((decStr.charCodeAt(i++) & 0xff) <<16) |
     (dual ? (decStr.charCodeAt(i) & 0xff) <<8 : 0);
    encOut +=
      base64s.charAt((bits & 0x00fc0000) >>18) +
      base64s.charAt((bits & 0x0003f000) >>12) +
      (dual ? base64s.charAt((bits & 0x00000fc0) >>6) : '=') +
      '=';
    }
  return encOut
}

function base64_decode(encStr) {
  var bits, decOut = '', i = 0;
  for(; i<encStr.length; i += 4){
    bits =
     (base64s.indexOf(encStr.charAt(i))    & 0xff) <<18 |
     (base64s.indexOf(encStr.charAt(i +1)) & 0xff) <<12 | 
     (base64s.indexOf(encStr.charAt(i +2)) & 0xff) << 6 |
      base64s.indexOf(encStr.charAt(i +3)) & 0xff;
    decOut += String.fromCharCode(
     (bits & 0xff0000) >>16, (bits & 0xff00) >>8, bits & 0xff);
    }
  if(encStr.charCodeAt(i -2) == 61)
    undecOut=decOut.substring(0, decOut.length -2);
  else if(encStr.charCodeAt(i -1) == 61)
    undecOut=decOut.substring(0, decOut.length -1);
  else undecOut=decOut;
  
  return unescape(undecOut);	
}

function strcmp(str1 , str2) {
	function stringCode(str) {
		str = str.replace('á',"azzz");
		str = str.replace('Ă©',"ezzz");
		str = str.replace('Ă­',"izzz");
		
		str = str.replace('Ăł',"oxxx");
		str = str.replace('ö',"oyyy");
		str = str.replace('Ĺ‘',"ozzz");
		
		str = str.replace('Ăş',"uxxx");
		str = str.replace('ĂĽ',"uyyy");
		str = str.replace('ű',"uzzz");
		
		str = str.replace('Á',"AZZZ");
		str = str.replace('Ă©',"EZZZ");
		str = str.replace('Ă­',"IZZZ");
		
		str = str.replace('Ăł',"OXXX");
		str = str.replace('ö',"OYYY");
		str = str.replace('Ĺ‘',"OZZZ");
		
		str = str.replace('Ăş',"UXXX");
		str = str.replace('ĂĽ',"UYYY");
		str = str.replace('ű',"UZZZ");
		return str;
	}

	var string1=stringCode(str1); 
	var string2=stringCode(str2); 
	
	if (string1<string2)	val=-1;
	if (string1==string2) val=0;
	if (string1>string2) val=1;

	return  (val);
}
/**
 * project name:	miracle
 * task name:		file_upload.js
 * author:		wiktor
 * - - - - 
 * started		@ 2005.11.17.
 * last modified	@ see the timestamp ;)
 */
  
var fileUpload=Class.create();

fileUpload.prototype = {
	initialize: function (fieldSetId) {
		this.fieldSet=$(fieldSetId);
		this.id=this.fieldSet.getAttribute("id");
		this.legend=this.fieldSet.getElementsByTagName("legend")[0];
		this.files=this.fieldSet.getElementsByTagName("fieldset")[0];
		this.fileInputs=$(this.id+"_fileinput");
		this.maxFiles=this.fieldSet.getAttribute("maximum_files");
		this.fileInput=Form.getInputs(this.fieldSet, "file")[0];
		if (this.fileInput.getAttribute("accept")) {
			this.accept=this.fileInput.getAttribute("accept").split(",");
			for (var i=0; i<this.accept.length; i++) {
				this.accept[i]=this.accept[i].replace(/^\s+|\s+$/, '').toLowerCase();
			}
		} else {
			this.accept=new Array();
		}

		this.fileInput.onchange=this.addFile.bindAsEventListener(this);
	},

	fileExtension: function (filename) {
		var tmp=filename.split(".");
		return tmp[tmp.length-1].toLowerCase();
	},

	fileExists: function (filename) {
		var files=Form.getInputs(this.files);
		for (var i=0; i<files.length; i++) {
			if (files[i].value==filename) {
				return true;
			}
		}
		return false;
	},

	removeFile: function(e) {
		var _this=Event.element(e);
		for (var i=0; i<this.selectedFiles.length; i++) {
			if (this.selectedFiles[i].value==_this.id) {
				new Element.remove(this.selectedFiles[i]);
				new Element.remove(_this.id);
				new Element.remove("fileinput_"+_this.id);
				this.fileInput.disabled=false;
			}
		}

                // prevent submit
		return false; 
	},

	acceptableFile: function(filename) {
		if (value.substring(0,1)!="/") {
			value=new RegExp("^"+value+"$", "i");
		} else {
			value=new RegExp(value.substring(1, value.length-1), "i");
		}
	},

	getFileSize: function(filename) {
		var tmp=Math.random()*1000;
		var iframe = document.createElement("iframe");
		var iframe = document.setAttribute("target");
		
		return tmp;
	},

	addFile: function(e) {
		if (this.fileExists(this.fileInput.value)) {
			if ($("error"))	new Element.remove("error");
			new Insertion.After(this.fileInput, '<span id="error">Ismétlés</span>')
		} else {
			if ($("error"))	new Element.remove("error");

			if (
				this.accept.length>0 &&
				!inArray(this.accept, this.fileExtension(this.fileInput.value))
			) {
				new Insertion.After(this.fileInput, '<span id="error">Érvénytelen fájltípus!</span>')
			} else {

				if (this.maxFiles==1) {
					this.fileInput.setAttribute('name', this.id);
				} else {
					this.fileInput.setAttribute('name', this.id+"[]");
				}

				var newInput = document.createElement("input");
				newInput.setAttribute('type', 'file');
				newInput.setAttribute('class', 'fileinput');
				$(this.fileInputs).appendChild(newInput);

				this.fileInput.setAttribute('id', "fileinput_"+this.fileInput.value);
				this.fileInput.style.display="none";

				var newDisplayInput=document.createElement("input");
//				newDisplayInput.value=this.fileInput.value+this.getFileSize(this.fileInput.value);
				newDisplayInput.value=this.fileInput.value;
				this.files.appendChild(newDisplayInput);
				new Insertion.After(newDisplayInput, '<button id="'+newDisplayInput.value+'">Törlés</button>')
	 			$(newDisplayInput.value).onclick=this.removeFile.bindAsEventListener(this);
				this.selectedFiles=Form.getInputs(this.files);
	
				this.fileInput=newInput;
				this.fileInput.onchange=this.addFile.bindAsEventListener(this);
				if (this.selectedFiles.length==this.maxFiles) {
					this.fileInput.disabled=true;
				}
			}
		}
	}


}
var miracleForm = Class.create();

miracleForm.prototype = {
	
	initialize: function() {
		this.repeats = {};
	},

	init: function() {
		this.formAcceptNumeric();
		this.initNumberGrouping();
	},

	autoFocus: function() {
		var f;
		if (
			(mp = document.getElementById("main_padding"))
			&& (f = mp.getElementsByTagName("form")[0])
		) {
			Form.focusFirstElement(f);
		}
	},

	replaceWithSelect: function(element) {
		return this.replaceWith("select", element);
	},

	replaceWithInput: function(element) {
		return this.replaceWith("input", element);
	},

	replaceWith: function(newElementType, element) {
		var newElement = document.createElement(newElementType);
		newElement.id = element.id;
		newElement.name = element.name;
		element.parentNode.insertBefore(newElement, element);
		new Element.remove(element);
		return newElement;
	},

	initNumberGrouping: function() {
		$A(document.getElementsByTagName("input")).each(function(element) {
			if (element.getAttribute("type") == "text" && $(element).hasClassName("grouped")) {
				element.style.textAlign = "right";
				element.style.paddingRight = "2px";
				element.observe("keyup", function(e) {
					var _this = Event.element(e);
 					var s = $N(parseInt(_this.value.toString().replace(/ /g, "")), "").toString().split('').reverse().join(''), r = ''; 
					for (var i = 0; i < s.length; i++) {
						r += (i > 0 && i % 3 == 0 ? ' ' : '') + s.charAt(i);
					}
					_this.value = r.split('').reverse().join('');
				});
			}
		});
	},

	autoSubmit: function(event) {
		var form = Event.findElement(event || window.event, "form");
		var forbidden = Form.getElements(form).pluck("name");
		$H(document.location.search.toQueryParams()).each(function(array) {
			if (forbidden.indexOf(array[0]) < 0) {
				var input = Builder.node("input", {
					type: "hidden",
					name: array[0],
					value: (array[1] ? array[1] : "")
				});
				form.appendChild(input);
			}
		});
		form.submit();
//		Event.findElement(event || window.event, "form").submit();
	},


	formAcceptNumeric: function() {
		if (!document.getElementsByTagName("input")) return false;

		$$("input[accept=numeric]").each(function(input) {
			input.observe("keypress", function(event) {
				var stop = miracle.form.maskInput(input, event, "9^");
				if (stop) {
					Event.stop(event);
					stop = false;
				}
			});
		});
	},

	getRequiredFields: function(parent) {
		var parent = parent || document;
		var tmp = document.getElementsByClassName("required", parent);
		return tmp;
	},

	getValue: function(element) {
		// input type="text"
		// ie suxx
		// http://www.quirksmode.org/bugreports/archives/2005/09/getAttributefor_returns_null.html
		if ($(element.getAttribute("htmlfor"))) {
			var input = $(element.getAttribute("htmlfor"));
			return input.value;
		}
		if ($(element.getAttribute("for"))) {
			var input = $(element.getAttribute("for"));
			return input.value;
		}

		// fieldset class="radio"
		if (Element.hasClassName(element, "radio")) {
			return this._getValueForRadio(element);
		}

		// fieldset class="checkbox"
		if (Element.hasClassName(element, "checkbox")) {
			return this._getValueForCheckbox(element);
		}
		// select
		if (element.tagName.toLowerCase() == "select") {
			var tmp = element.options[element.options.selectedIndex].value;
			tmp = (tmp == "NULL") ? false : tmp;
			return tmp;
		}

                // ha nincs ertek akkor null-t adunk vissza
		tmp = !tmp ? null : tmp;
		return tmp;
	},

	_getValueForRadio: function(parent) {
		return this._getValueForInputSelector(parent, "radio");
	},

	_getValueForCheckbox: function(parent) {
		return this._getValueForInputSelector(parent, "checkbox");
	},

	_getValueForInputSelector: function(parent, type) {
		var tmp;
		var checked = Form.getInputs(parent, type).find(function(radio) {
			return radio.checked;
		});
		if (checked) tmp = checked.value;
		return tmp;
	},

	findParentNode: function(element, parentNodeTagName) {
		var parentNodeTagName = parentNodeTagName || "div";
		while (
			element.parentNode 
			&& (!element.tagName 
				|| (element.tagName.toUpperCase() != parentNodeTagName.toUpperCase()))
		) {
		      element = element.parentNode;
		}
		return element;
	},

	errorForField: function(element, parentNodeTagName, action) {
		var parentNode = this.findParentNode(element, parentNodeTagName);
		(action == "add" ) ? 
			Element.addClassName(parentNode, "error") :
			Element.removeClassName(parentNode, "error");
	},

	isRequiredFieldsFilled: function(parent) {
//		printfire(this.getRequiredFields(parent).length + " required field");
		var tmp = this.getRequiredFields(parent).all(function(element) {
			var value = miracle.form.getValue(element);
			if (!value) {
				miracle.form.errorForField(element, "td", "add");
/*				if (element.focus) {
					element.focus();
				};*/
			} else {
				miracle.form.errorForField(element, "td", "remove");
			}
			return value;
		});
//		printfire("isReq: " + tmp);
		return tmp;
	},

	limitTextArea: function(id, limit) {
		if (!(t = document.getElementById(id))) return false;
		var c = document.createElement("div");
		var cs = c.style;
		cs.position = "absolute";
		tPos = miracle.findPos(t);
		cs.left = tPos[0] - 10 + "px";
		cs.top = tPos[1] - 10 + "px";
		Element.addClassName(c, "textarea_counter");
		document.getElementsByTagName("body")[0].appendChild(c);
		c.innerHTML = $N(t.value.length);
		var keyCodes = [8,33,34,36,35,37,38,39,40,46];
		Event.observe(t, "keydown", function(e) {
			var k = (e.which + 1 || e.keyCode + 1) - 1 || 0;
			this.value = this.value.substring(0, 40);
			if (this.value.length > limit && !keyCodes.member(k)) {
				Event.stop(e);
			}
		}.bindAsEventListener(t));

		Event.observe(t, "keyup", function(e) {
			this.value = this.value.substring(0, 40);
			c.innerHTML = this.value.length;
		}.bindAsEventListener(t));
	},

        // f - formElement
        // m - mask
	maskInput: function (f, e, m) {
		e.key = (e.which + 1 || e.keyCode + 1) - 1 || 0;
		if (
			(document.protocol)
			&& ($A([96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 15, 9, 37, 38, 39, 40, 46]).indexOf(e.key) != -1)
		) {
			return false;
		}
/*		printfire(f.value);
		printfire(e.key);
		printfire(m);*/
		var patterns = { "1": /[A-Z]/i, "2": /[0-9]/, "4": /[A-y]/i, "8": /./ };
		var rules = { "a": 3, "A": 7, "9": 2, "C":5, "c": 1, "*": 8 };

		function accept(c, rule) {
			for (var i = 1, r = rules[rule] || 0; i <= r; i<<=1)
			if (r & i && patterns[i].test(c)) break;
			return i <= r || c == rule;
		}

		function _stop() {
			stop = true;
			return;
		}

		var stop = false;
		var k, mC, r, c = String.fromCharCode(k = e.key), l = f.value.length;
		(!k || k == 8 ? 1 : (r = /^(.)\^(.*)$/.exec(m)) && (r[0] = r[2].indexOf(c) + 1) + 1 ?
		r[1] == "O" ? r[0] : r[1] == "E" ? !r[0] : accept(c, r[1]) || r[0]
		: (l = (f.value += m.substr(l, (r = /[A|9|C|\*]/i.exec(m.substr(l))) ?
		r.index : l)).length) < m.length && 
		accept(c, m.charAt(l))) || _stop();
		return stop;
/*			|| e.preventDefault()*/
	},

	/**
	 * Egy <select> frissitese, felulirasa uj adatokkal
	 *
	 * @author 	wiktor@eworld.hu
	 * @since  	2006-06-19
	 * @version	2006-06-19.wiktor
	 * @param  	string|element	id		$()-nak atadhato parameter
	 * @param  	object		options		az options "tomb" nev/ertek parok
	 * @return 	boolean				sikeres volt-e a modositas
	 *
	 * @see		http://msdn.microsoft.com/workshop/author/perf/dhtmlperf.asp#Expand_Your_Options_in_a_SELECT_Element
	 */
	updateSelect: function(id, options) {
		var i = options.length;
		// ha nincs ilyen select, akkor nincs mirol beszelni
		if (!(select = $(id))) return false;
		select.options.length = 0;
//		alert(i);
//		alert(select.innerHTML);
//		OPERA BUG
/*		while (i--) {
			select.options[i] = new Option(i + " " + options[i].option, options[i].value);
			if (i == 76) break;
		}*/
//		alert(select.options.length);
		var innerHTM = "";
		for (var i = 0; i<options.length; i++) {
			// nem megy opera alatt, berak megfelelo szamu elemet, de nem latszik
//			innerHTM += "<option value='" + options[i].value + "'>" + options[i].option + "</option>";
			// a DOM lassabb
			select.options[i] = new Option(options[i].option, options[i].value);
		}
//		alert(innerHTM);
//		select.innerHTML = innerHTM;
		return true;
	},

	addOptions: function(id, options) {
		if (!(select = $(id))) return false;
		var startLength = select.options.length;
		for (var i = 0; i<options.length; i++) {
			select.options[startLength + i] = new Option(options[i].option, options[i].value);
		}
	},

	post: function(url) {
		var form = Builder.node("form", {
			method: "post",
			action: url
		});
		// be kell tolni a dom-ba, enelkul nem megy a submit
		document.getElementsByTagName("body")[0].appendChild(form);
		form.submit();
	},

	deleteLink: function(selector) {
		$$(selector).each(function(element) {
			Event.observe(element, "click", function(event) {
				if (confirm(element.getAttribute("confirm"))) {
					miracle.form.post(this.href);
				}
				Event.stop(event);
			}.bind(element));
		}.bind(this));
	}


} // end of class

/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }

/*
 * Perform a simple self-test to see if the VM is working
 */
function md5_vm_test()
{
  return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
}

/*
 * Calculate the MD5 of an array of little-endian words, and a bit length
 */
function core_md5(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);

}

/*
 * These functions implement the four basic operations the algorithm uses.
 */
function md5_cmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

/*
 * Calculate the HMAC-MD5, of a key and some data
 */
function core_hmac_md5(key, data)
{
  var bkey = str2binl(key);
  if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
  return core_md5(opad.concat(hash), 512 + 128);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert a string to an array of little-endian words
 * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
 */
function str2binl(str)
{
  var bin = Array();
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < str.length * chrsz; i += chrsz)
    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
  return bin;
}

/*
 * Convert an array of little-endian words to a string
 */
function binl2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
  return str;
}

/*
 * Convert an array of little-endian words to a hex string.
 */
function binl2hex(binarray)
{
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
  }
  return str;
}

/*
 * Convert an array of little-endian words to a base-64 string
 */
function binl2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
    }
  }
  return str;
}
/**
 * MIRACLE
 *
 * A mi kis javascriptes konyvtarunk
 *
 */
var d = document;
// <html class="js">
document.documentElement.className = 'js';
//document.recalc(true); // force evaluation of expressions

/* backward compatibility */
var miracleConfig=new Array();
// ajaxnál kell
var FORBIDDEN="[[-- FORBIDDEN --]";


var Miracle = Class.create();
Miracle.prototype = {
	/**
	 * Ez a konstruktorunk.
	 */
	initialize: function() {
		this.initActions = new Array();
		this.ajaxCache = [];
		this.eventSelectorRules = new Object();
		this.isEventSelectorRules = false;
		this.initDone = false;
		this.isIE = !!document.protocol;
		this.isIE6 = !!(document.protocol && !window.XMLHttpRequest);
		this.isIE7 = !!(document.protocol && window.XMLHttpRequest);

		if (this.isIE) {
			this.ieCacheStyleSheet = document.createStyleSheet();
			this.ieCacheSelectors = {};
		}

		this.config = new Array();
		this.config.fleXcroll=new Array();
		this.config.miracleHoverEmulation=new Array();

		this.config.fixEolas = true;
		this.config.initExtensions = new Array();
		this.config.initExtensions.lightBox = false;
                // Calendar-t alapbol betoltjuk, mert adminon, szinte mindig kell
		this.config.initExtensions.calendar = true;
		this.config.initExtensions.fleXcroll = false;
		this.config.initExtensions.mooFX = false;
		this.config.initExtensions.wysiwyg = true;

                // sajat kiterjesztesek
		this.config.initExtensions.miracleAjaxUpdater = true;
		this.config.initExtensions.miracleCheckbox = false;
		this.config.initExtensions.miraclePopup = false;
		this.config.initExtensions.miracleTab = false;
		this.config.initExtensions.miracleHover = false;
		this.config.initExtensions.miracleTargetBlank = false;
		// FIXME: ez nem kene, h mindig lefusson
		this.config.initExtensions.miracleFileUploads = true;

		this.form = {};
		this.tabs = {};
		this.tree = {};

	},

        /**
         * Ez a method fut le a dean fele onload szerint
         */
	init: function() {
		// quit if this function has already been called
		if (this.initDone) return;
		// flag this function so we don't do the same thing twice
		this.initDone=true;

		// kill the timer
		if (_timer) {
			clearInterval(_timer);
			_timer = null;
		}
		
                // betoltjuk a meta tagekben megadhato config valtozokat
		this.loadMetaConfig();

                // fuck you! - itt kivesszuk a noscript-es objecteket
		this.fixEolas();
		
                if (this.config.initExtensions.calendar) {
                	this.initCalendar();
                }

                // lightBox-ot, mar csak akkor ha a project.js-ben engedelyezzuk
                if (this.config.initExtensions.lightBox && typeof(Lightbox) == "function") {
                	myLightbox = new Lightbox();
                }

                if (this.config.initExtensions.wysiwyg) {
                	this.initWysiwyg();
                }

                if (this.config.initExtensions.miracleAjaxUpdater) {
			new miracleAjaxUpdater();
                }

                if (this.config.initExtensions.miracleCheckbox) {
			new miracleCheckbox();
                }

                if (this.config.initExtensions.miracleHover) {
                	this.initMiracleHover();
		}

                if (this.config.initExtensions.miracleFileUploads) {
                	this.initMiracleFileUploads();
		}		

                if (this.config.initExtensions.miracleTargetBlank) {
			this.initMiracleTargetBlank();
		}

		for (var i=0; this.initActions.length>i; i++) {
			if (typeof this.initActions[i] == "function") {
				this.initActions[i]();
			}
		}
		
		this.initAjax();
		this.form.init();
		kwindow.init();

                // mindig lefuttatjuk az EventSelector-os hozzarendeleseket
                this.startEventSelectors();
	},

	forceInit: function() {
		this.initDone = false;
		this.init();
	},

        /****************************************************************************/

        /**
         * Ez 
         * @param string selector css kivalaszto, hogy mire kell esemeny
         * @param function eventFunction a fuggveny, hogy mi az esemeny
         */
	addEventSelectorRule: function (selector, eventFunction) {
		this.eventSelectorRules[selector] = eventFunction;
	},

        /**
         * var rand_num = miracle.ajax("immola_base", "testmethod", { min: 1, max: 10 });
         * FIXME: most minden kerest becachel ennek vhogy allithatonak kell majd lennie

         */
	ajax: function(module, method, parameters, callback) {
		var options = {
			asynchronous: false, 
			method: "post",
			parameters: "module=" + module
					+ "&method=" + method
					+ "&parameters=" + JSON.stringify(parameters)
		};
		var hash = hex_md5(options.parameters);
		// FIXME: Nincs cache, mert immola calendart meg kell csinalni.
		if (false && callback && this.ajaxCache[hash]) {
			return callback(this.ajaxCache[hash]);
		}
		//miracle.ajaxIndicator(true);
//		var callback = callback || false;
		if (callback) {
			options.asynchronous = true;
			options.onSuccess = function (xmlhttp) {
				var response = eval(xmlhttp.responseText);
				callback(response);
				//miracle.ajaxIndicator(false);
				miracle.ajaxCache[hash] = response;
			}
		}
		var myAjax = new Ajax.Request("/-/", options);
		if (callback) {
			return true;
		}
		var tmp=myAjax.transport.status==200 ? myAjax.transport.responseText : "x";
		//miracle.ajaxIndicator(false);
		miracle.ajaxCache[hash] = tmp;
		return tmp;
	},

	ajaxAction: function(element, module, action, entity) {
		//alert (module);
		if (browser.isOpera) {
			action = action.split("/").last();
		}
		var params = new Array();
		for (var i=4; i<arguments.length; i++) {
			params[i-4]=arguments[i];
		}
		if (!element.src) { // ha nem kep
			var checked = element.getAttribute("inverse") ? !element.checked : element.checked;
			params.push(checked);
		}
		if (
			(action.substring(0, 6)!="delete") ||
			(action.substring(0, 6)=="delete" && confirm("Biztos törlöd?"))
		) {
			//alert (module+action+params);
			var tmp = miracle.ajax(module, action, params, false);
		} 
//
	//	alert (tmp);	
		switch (tmp) {
			case FORBIDDEN: 
				if (!element.src) { // ha nem kep
					element.checked=!element.checked;
				}
				alert("Letiltva!");
				return false;
			break;

			case false:
				alert("Error... :(");
				return false;
			break;

			case null:
			case "":
				alert("Error in function call... :(");
				return false;
			break;
		}

		if (tmp && (action=="delete" || action=="delete_"+entity)) {
			var trId=entity+"_"+element.getAttribute("recordid")+"_tr";
		//	alert(entity);
			var tr=document.getElementById(trId);
			var parent=tr;
	//		alert(parent);
			if (parent) {
				do {
					parent=parent.parentNode;
				} while (parent.tagName != "TABLE");
				
				parent.deleteRow(tr.rowIndex);
				var recordCountId = "miracle_pager_record_count";
				if ($(recordCountId)) {
					$(recordCountId).innerHTML = 
						$(recordCountId).innerHTML - 1;
				}
			} else {
				alert("Error! #"+trId+" not found! Can't delete the row!");
			}
		}
	},

	ajaxIndicator: function(status) {
		var indicatorId = "miracle_ajax_indicator";
		var indicator = $(indicatorId);
		if (indicator) {
			if (status == false) {
				//Element.hide(indicator);
			} else {
				//Element.show(indicator);
			}
		} else {
			//new Insertion.Top("body", "<div id='" + indicatorId + "' class='fixed'><img src='/images/miracle/icon_ajax.gif' /></div>");
		}
	},

	ajaxMessage: function(message) {
		var id="miracle_ajax_message";
		var ajaxMessage = $(id);
		var fakeBody = $$("body div")[0];
		if (!ajaxMessage) {
			var HTML="<div id='" + id + "'>" + message+ "</div>";
			new Insertion.Top(fakeBody, HTML);
		} else {
			$('miracle_ajax_message').style.display='block';
			ajaxMessage.innerHTML=message;
		}
		window.setTimeout("$('miracle_ajax_message').style.display='none'", 3000);
	},

	data: function(id) {
		if (!(e=$("data_" + id))) return $A([]);
		var src = e.getAttribute("src");
		var data = eval(base64_decode(src.substring(src.indexOf(",") + 1)));
		return data;
	},

	fixEolas: function() {
		if (!this.config.fixEolas || !this.isIE) return;
		$A(document.getElementsByTagName("noscript")).each(function(node) {
			if (node.className == "eolas") {
				node.outerHTML = node.innerHTML.replace("<![endif]-->", "");
			}
		});
	},

        /**
         * Erre az elemre hover-t kell emulalni.
         *
         * Az IE (<7.0) sajnos csak az A elemre tud :hover-t, igy ezt magunknak kell
         * megoldani. Tipikusan menuknel forul elo.
         *
         * @param	string	id	Az felprogramozando elem ID-je
         * @return	NULL
         * @author	wiktor
         * @since	2006.05.18.
         */
	hoverEmulation: function() {
		if (!this.isIE6) return;
//		this.ieCacheSelector($A(arguments));
		this.config.miracleHoverEmulation = this.config.miracleHoverEmulation.concat($A(arguments));
	},

	ieCacheSelector: function(selectors) {
		var cssText = [];
		for (var i = 0; i < selectors.length; i++) {
			var selector = selectors[i].replace(" ", "@");
			this.ieCacheSelectors[selector] = [];
			cssText.push(selectors[i] + "{behavior:expression(miracle.ieCacheStore('" + selector.replace(" ", "@") + "',this))}");
		}
		this.ieCacheStyleSheet.cssText = cssText.join("\n");
	},

	ieCacheStore: function(selector, element) {
		miracle.ieCacheSelectors[selector].push(element);
		element.runtimeStyle.behavior = "none";
	},

	// http://www.quirksmode.org/js/findpos.html
	findPos: function(obj) {
		var curleft = curtop = 0;
		if (obj.offsetParent) {
			curleft = obj.offsetLeft
			curtop = obj.offsetTop
			while (obj = obj.offsetParent) {
				curleft += obj.offsetLeft
				curtop += obj.offsetTop
			}
		}
		return [curleft, curtop];
	},

	IFrameShim: function(selector) {
		if (!this.isIE6 || document.getElementsByTagName("select").length == 0) return false;
		$$(selector).each(function(e) {
			var i = document.createElement("iframe");
			var is = i.style;
			i.frameBorder = 0;
			i.scrolling = "no";
			is.position = "absolute";
			is.left = 0;
			is.top = 0;
			is.width = e.offsetWidth;
			is.height = e.offsetHeight;
			is.left = e.offsetLeft + e.offsetParent.offsetLeft;
			is.top = e.offsetTop + e.offsetParent.offsetTop;
			is.zIndex = e.style.zIndex - 1;
			i.id = "__shim_" + e.uniqueID;
			e.parentNode.appendChild(i);
			Element.addClassName(e, "shimmed");
		}.bind(this));
	},

	include: function(url) {
		var myAjax = new Ajax.Request(url /*+"?"+Math.random()*/, {
			method: "get",
			asynchronous: false
		});
                // nem kaptunk-e 404-et
		var tmp=myAjax.transport.status==200 ? myAjax.transport.responseText : "x";
		return tmp;
	},

	includeExternalCSS: function(url) {
		// <link rel="stylesheet" type="text/css" media="print" href="/css/{$projectname}.print.css" />
		var node=document.createElement("link");
		node.setAttribute("rel", "stylesheet");
		node.setAttribute("type", "text/css");
		node.setAttribute("media", "screen");
		node.setAttribute("href", url);
		document.getElementsByTagName("head")[0].appendChild(node);
	},

	initAction: function(event) {
		this.initActions.push(event);
	},
	
	initAjax: function(selector) {
		var selector = selector || "table.lister";
		$A($$(selector)).each(function(lister) {
			var module = lister.getAttribute("module");
//			alert (module);
			var entity = lister.getAttribute("entity");
			if (!entity) entity = "record";

			if (lister.getAttribute("ajax")) {
				$A(lister.getElementsByTagName("*")).each(function(element) {
					var action = element.getAttribute("action");
					var parameters = element.getAttribute("parameters");
					if (action && parameters) {
						var message = element.getAttribute("message");
						Event.observe(element, 'click', function(event) {
							if (message) miracle.ajaxMessage(message);
							miracle.ajaxAction(element, module, action, entity, parameters);
						});
					}
				});
			}
		});

	},
	
	initCalendar: function() {
		// http://dev.rubyonrails.org/ticket/5170/
//		var dates = $$("input[accept^=date]");
		var dates=document.getElementsByTagNameAndAttribute("input", "accept", "/date|datetime/");
		if (dates.length==0) return false;
		eval(this.include("/jscalendar/calendar.js"));
                // nem sikerult betolteni a js-t
		if (typeof(Calendar)!="function") return false;

		this.includeExternalCSS("/jscalendar/calendar-blue2.css");

		var icon=document.createElement("img");
		icon.setAttribute("src", "/images/miracle/icon_calendar.png");
		icon.setAttribute("width", 16);
		icon.setAttribute("height", 16);
		icon.setAttribute("class", "calendar");
	
		eval(this.include("/jscalendar/lang/calendar-hu-utf8.js"));
		eval(this.include("/jscalendar/calendar-setup.js"));

		for (var i=0; i<dates.length; i++) {
			var id=dates[i].getAttribute("id");
			var imgId=id+"-calendar";
			switch (dates[i].getAttribute("accept")) {
				case "datetime":
					var showsTime=true;
					var ifFormat="%Y-%m-%d %H:%M:%S";
				break;
				case "date":
					var showsTime=false;
					var ifFormat="%Y-%m-%d";
				break;
			}
			var newIcon=icon.cloneNode(true);
			newIcon.setAttribute("id", imgId);
			DOM_InsertAfter(dates[i], newIcon);
			Calendar.setup({
		        	inputField:	id,		// id of the input field
			        ifFormat:	ifFormat,	// format of the input field
			        showsTime:	showsTime,	// will display a time selector
			        button:		imgId,		// trigger for the calendar (button ID)
			        singleClick:	false,		// double-click mode
			        step:		1,		// show all years in drop-down boxes (instead of every other year as default)
			        timeFormat:	24,
			        showOthers:	true
			});
		}
	}, // end of initCalendar

	initMiracleCheckbox: function() {
		var inputs=document.getElementsByTagNameAndAttribute("input", "src", "/.+/");
		for (var i=0; i<inputs.length; i++) {
			new miracleCheckbox(inputs[i]);
		}
	},


	// FIXME: obszolét szar

	initMiracleFileUploads: function() {
		var fups=new Array();
		var j=0;
		var elements=document.getElementsByTagNameAndAttribute("fieldset", "class", "file_upload");
		for (var i=0; i<elements.length; i++) {
			fups[j]=new fileUpload(elements[i].getAttribute("id"));
	                j++;
		}
	},

	initMiracleHover: function() {
		if (!this.isIE6) return;
		
		this.config.miracleHoverEmulation.each(function(selector) {
//			alert(selector);
//			alert($$(selector).length);
//			alert(this.ieCacheSelectors);
			
//			alert(this.ieCacheSelectors[selector.replace(" ", "@"])]);

			$$(selector).each(function(node) {
//			var elements = this.ieCacheSelectors[selector.replace(" ", "@")] || $$(elements);
//			var elements = this.ieCacheSelectors[selector.replace(" ", "@")];
//			elements.each(function(node) {
				node.observe('mouseover', function() {
//					this.addClassName("hover");
/*					var s = document.getElementsByTagName("select");
					for (var i=0; i<s.length; i++) {
						s[i].style.visibility="hidden";
					}*/
					this.className+=" hover";
				}.bindAsEventListener(node));

				node.observe('mouseout', function() {
/*					var s = document.getElementsByTagName("select");
					for (var i=0; i<s.length; i++) {
						s[i].style.visibility="visible";
					}*/
//					this.removeClassName("hover");
					this.className=this.className.replace(new RegExp(" hover\\b"), "");
				}.bindAsEventListener(node));
			});
		}.bind(this));
	
	},

        /**
         * FIXME
         * erre meg a form-ot ra kell tenni
         */
	initMiracleTargetBlank: function() {
		var nodes=document.getElementsByTagName("a");
		for (var i=0; i<nodes.length; i++) {
			if (nodes[i].getAttribute("rel")=="external") {
				nodes[i].target = "_blank";
			}
		}
	},

	// amig a prototype nem tud attribute selectort addig marad a fapad
	// FIXME: ez igy nem jo, mert ez nem event, hanem felprogramozas!!!
	initWysiwyg: function() {
		this.addEventSelectorRule(
			'textarea', function (element) {
				var editor=element.getAttribute("wysiwyg");
				if (editor) {
					var fn="miracle.initWysiwyg_"+editor;
					if (eval(fn)) {
						eval(fn+"(element);");
					}
				}
			}
		);
	},

	initWysiwyg_fckeditor: function(textarea) {
		window.oFCKeditors=new Array();
		if (typeof(FCKeditor)=="undefined") {
			eval(this.include("/fckeditor/fckeditor.js"));
		}
		if (typeof(FCKeditor)!="undefined") {
			var name=textarea.getAttribute("name");
			var id=textarea.getAttribute("id");
			var height=textarea.getAttribute("wysiwyg_height");
			textarea.setAttribute("id", name);
			window.oFCKeditors[id]=new FCKeditor(name, "100%", height);
			window.oFCKeditors[id].Config['CustomConfigurationsPath']='/fckeditor/miracle_fckconfig.js';
			window.oFCKeditors[id].ToolbarSet = textarea.getAttribute("wysiwyg_toolbar") || "Default";
			window.oFCKeditors[id].ReplaceTextarea();
			textarea.setAttribute("id", id);
		}
	},

	isImagesOn: function() {
		if (this.imagesOn) {
			return true;
		}
		this.imagesOn=false;
		var test = new Image();
		var tmp = new Date();
		var suffix = tmp.getTime();
		test.src = '/favicon.ico?'+suffix;
		test.onload = function() {
			miracle.imagesOn=true;
		};
	},

	loadMetaConfig: function() {
		var metas=document.getElementsByTagName("meta");
		for (var i=0; i<metas.length; i++) {
			var name=new String(metas[i].getAttribute("name"));
			var content=metas[i].getAttribute("content");
			if (name.substring(0, 8)=="miracle_") {
				this.config[name]=content;
			}
		}
	},

        /**
         * secondhand:EventSelector
         */
	startEventSelectors: function() {
		EventSelectors.start(this.eventSelectorRules);
	}


}


function str_replace(search, replace, subject) {
	 var result = "";
	 var oldi = 0;
	 for (var i = subject.indexOf (search); i > -1; i = subject.indexOf (search, i))
	 {
	      result += subject.substring (oldi, i);
	      result += replace;
	      i += search.length;
	      oldi = i;
	 }
	 return result + subject.substring (oldi, subject.length);
}

function loremipsum(num) {
	var szavak = new Array("alma","dio","mogyoro","korte","dinnye","malna","meggy","cseresznye","kokusz","szilva","barack","szolo","ribizli");
	var str="";
	for (var i=1; i<=num; i++) {
		var k=parseInt(Math.random()*13);
		str+=szavak[k]+" ";
	}
	return str;
}

// kitolti az oldalon talalhato formokat ertelmes adatokkal:
function auto_formkitoltes() {
	var firstnames=new Array("Kis","Nagy","Toth","Magyar","Liszkai","Kovacs","Olah","Erdos","Kiskunfelegyhazi","Lorinc","Hegedus","Asztalos","Bognar");
	var lastnames=new Array("Agota","Bernadett","Karoly","Antal","Anita","Krisztian","Laszlo","Szilvia","Daniel","Robert","Noemi","Henrietta","Norbert","Zsolt","Balazs","Erika");
	var FN=firstnames.length;
	var LN=lastnames.length;

	// inputok:
	var elements=document.getElementsByTagName('input');
	var element;
	for (var ii=0; elements[ii]; ii++) {
		element=elements[ii];
		var tmp=element.getAttribute('name');
		var name="";
		if (tmp) {
			var n=tmp.split("[");
			if (n[1]) name=str_replace("]","",n[1]);
		}

		if (element.getAttribute('type')=="text") {
			// ha sima input a mezo:
			// ha a neve name, akkor nevet írunk bele:
			if (name=="name" || name=="fullname") element.value=firstnames[parseInt(Math.random()*FN)]+" "+lastnames[parseInt(Math.random()*LN)];
			else if (name=="email") element.value=lastnames[parseInt(Math.random()*LN)].toLowerCase()+"@akarmi.hu";
			else if (name=="webpage" || name=="weboldal") element.value="http://www."+lastnames[parseInt(Math.random()*LN)].toLowerCase()+"_"+firstnames[parseInt(Math.random()*FN)].toLowerCase()+".hu";
			else if (name=="lastname") element.value=firstnames[parseInt(Math.random()*FN)];
			else if (name=="firstname") element.value=lastnames[parseInt(Math.random()*LN)];
			else if (element.getAttribute('accept')=="numeric") element.value=parseInt(Math.random()*82500);
			else element.value=loremipsum(parseInt(Math.random()*4)+1);
		}

		if (element.getAttribute('type')=="checkbox") {
			// ha checkbox, akkor 1:2-hoz bepipaljuk:
			if (parseInt(Math.random()*2)==1) element.checked=true;
			else element.checked=false;
		}
		if (element.getAttribute('type')=="radio") {
			// ha checkbox, akkor 1:2-hoz bepipaljuk:
			if (parseInt(Math.random()*2)==1) element.checked=true;
			else element.checked=false;
		}

		if (element.getAttribute('type')=="date") {
			var year=2000+(parseInt(Math.random()*14)-7);
			var month=parseInt(Math.random()*11)+1;
			if (month<10) month="0"+month;
			var day=parseInt(Math.random()*28)+1;
			if (day<10) day="0"+day;
		     element.value=year+"-"+month+"-"+day;
		}
	}


	// selectek:
	var elements=document.getElementsByTagName('select');
	var element;
	for (var ii=0; elements[ii]; ii++) {
		element=elements[ii];
		for (var j=0; element.options[j]; j++);

		if (element.getAttribute('multiple')) {
			// mindet kivesszuk:
			for (var jj=0; element.options[jj]; jj++) {
				if (element.options[jj]) element.options[jj].selected=false;
			}

			for (var jj=0; jj<parseInt(Math.random()*6); jj++) {
				var kij=parseInt(Math.random()*j);
				if (element.options[kij] && element.options[kij].value!="NULL") element.options[kij].selected=true;
			}
		}
		else {
			var kij=parseInt(Math.random()*j);
			element.selectedIndex=kij;
		}
	}

	// textareak:
	var elements=document.getElementsByTagName('textarea');
	var element;
	for (var ii=0; elements[ii]; ii++) {
		element=elements[ii];
	     element.value=loremipsum(parseInt(Math.random()*105)+1);
	}
}

function shake(i) {
	var uji=i+1;
	if (i<30) {
		var x=5-(Math.random()*10);
		var y=5-(Math.random()*10);
		document.body.style.left=x+"px";
		document.body.style.top=y+"px";

		setTimeout("shake("+uji+")",10);
	}
	else document.body.style.position="static";
}

var pvd_visible=true;
var hangyaid=0;
var hangyaw=56;
var hangyah=42;

function keyDown(event) {
	var key, e, tag;

	(e = event) || (e = window.event);
	(tag = e.target) || (tag = e.srcElement);

	if (window.event) key = window.event.keyCode;
	else if (event.which) key = event.which;
	else return true;		// Unknown browser

	// az osszes cucc, csak DEV-en megy:
	// es csak akkor ha nem inputban vagy textareaban vagyunk:
	if (window.location.href.substr(0,11)=="http://dev." && tag.tagName != "INPUT" && tag.tagName != "TEXTAREA") {
		if (key == 80) {
		     if (pvd_visible) {
				$A(document.getElementsByClassName('pvd')).each(function(element) {
					element.style.display="none";
			     });
			     pvd_visible=false;
			}
			else {
				$A(document.getElementsByClassName('pvd')).each(function(element) {
					element.style.display="block";
			     });
			     pvd_visible=true;
			}
		}

		if (key == 87) {
			document.body.style.position="relative";
			setTimeout("shake(1)",10);
		}


		if (key == 81) {
		     // auto formkitoltes (ha a fuggveny neve nem lenne eleg arulkodo):
		     auto_formkitoltes();
		}

		if (key == 74) {
			// kwindowot nyit, amiben jelszavakat lehet generalni:
			try {
				var element = document.createElement('<a rel="kwindow" module="miracle" method="kwindow_password_generator" id="kwindow_password_generator" class="hide">');
			} catch (e) {
				var element = document.createElement("a");
				element.setAttribute("rel", "kwindow");
				element.setAttribute("module", "miracle");
				element.setAttribute("method", "kwindow_password_generator");
				element.setAttribute("id", "kwindow_password_generator");
				element.setAttribute("class", "hide");
			}
			document.body.appendChild(element);
		     kwindow.kwindow_show($("kwindow_password_generator"));
		}

		if (key == 72) {
			plusz_egy_hangya();
		}

		if (key == 78) {
		     hangyaw+=3;
		     hangyah+=3;
		     $A(document.getElementsByClassName("hangya")).each(function(element) {
		          element.style.width=hangyaw+"px";
		          element.style.height=hangyah+"px";
		     });
		}
		
	}
	
	return true;
}

document.onkeydown = keyDown;

function after_kwindow_password_generator() {
	var r=kwindow.kwindow_post_response_text;
	$("kwindow_passwords").innerHTML=r;
}

function plusz_egy_hangya() {
	hangyaid++;
	// hangyakat pakol random pozicioban az oldalra:
	try {
	    var element = document.createElement("<img src='/images/miracle/hangya.gif?r="+hangyaid+"' alt=' ' id='hangya"+hangyaid+"' class='hangya' />");
	} catch (e) {
	    var element = document.createElement("img");
	    element.setAttribute("src", "/images/miracle/hangya.gif?r="+hangyaid);
	    element.setAttribute("id", "hangya"+hangyaid);
	    element.setAttribute("class", "hangya");
	}

	document.body.appendChild(element);

	$('hangya'+hangyaid).style.position="absolute";
	var kx=parseInt(Math.random()*1300);
	var ky=parseInt(Math.random()*800);
	$('hangya'+hangyaid).style.top=ky+"px";
	$('hangya'+hangyaid).style.left=kx+"px";
}
/**
 * Ide be kell rakni a miracleConfig-os valtozokat, hogy a miracle objektum konstruktorat is tudjuk configolni
 * @url http://mantis.miracle.eworld.hu/view.php?id=719
 */


/**
 * Letrehozzuk a miracle peldanyunkat, amire ezek utan hivatkozunk
 */
var miracle = new Miracle();

miracle.form = new miracleForm();

var Kwindow = Class.create();

function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  return [ scrOfX, scrOfY ];
}

/* utilok hozza: */
function urldecode(str) {
	if (str=="") return "";
	var ret = str;
	ret = ret.replace(/\+/g, '%20');
	ret = decodeURIComponent(ret);
	ret = ret.toString();
	return ret;
}

function urlencode(str) {
	if (str=="") return "";
	var ret = str;
	ret = ret.toString();
	ret = encodeURIComponent(ret);
	ret = ret.replace(/%20/g, '+');
	return ret;
}

Kwindow.prototype = {

	initialize: function() {

	},
	
	init: function() {
		this.init_auto_kwindow();
		this.init_kwindow();
		this.init_kwindow_gallery();
		// a legutolso post utan kapott valaszt tartalmazza, barhonnan el lehet erni:
		this.kwindow_post_response_text="";
		this.gallery_move_up=false;
		this.gallery_move_down=false;
		this.gallery_scrollspeed=10;
		this.gray_layer_transparency=35;
	},

	// visszaadja hogy hanyas IE alatt vagyunk:
	vIE: function() {
		return (navigator.appName=='Microsoft Internet Explorer')?parseFloat((new RegExp("MSIE ([0-9]{1,}[.0-9]{0,})")).exec(navigator.userAgent)[1]):-1;
	},

	init_auto_kwindow: function() {
		$$("a[rel=auto_kwindow]").each(function(element) {
			kwindow.kwindow_show(element);
		});
	},

	init_kwindow: function() {
		$$("a[rel=kwindow]").each(function(element) {
			Event.observe(element, "click", function(event) {
				kwindow.kwindow_show(element);
	               Event.stop(event);
			}.bind(element));
		});
	},

	init_kwindow_gallery: function() {
		$$("a[rel=kwindow_gallery]").each(function(element) {
			Event.observe(element, "click", function(event) {
				kwindow.kwindow_show(element);
	               Event.stop(event);
			}.bind(element));
		});
	},

	init_kwindow_close: function() {
		$$("a[rel=kwindow_close]").each(function(element) {
			Event.observe(element, "click", function(event) {
			     kwindow.kwindow_close();
				// ha van run_js attributuma, akkor azt a js-t lefuttatjuk egybol a bezaras utan:
				if (element.getAttribute('run_js')) {
					var run_js_fgv_name=element.getAttribute('run_js');
					var ret=eval(run_js_fgv_name)();
				}
			     // ha volt automatikus uj ablak nyitas, akkor nyitjuk:
				if (element.getAttribute('module')) kwindow.kwindow_show(element);
	             Event.stop(event);
			}.bind(element));
		});
	},
	
	init_kwindow_post: function() {
		$$("a[rel=kwindow_post]").each(function(element) {
			Event.observe(element, "click", function(event) {
				// ha van form ellenorzes, akkor az kell:
				if (element.getAttribute('check_form_js')) {
					var check_js_fgv_name=element.getAttribute('check_form_js');
					var valid=eval(check_js_fgv_name)();
					if (valid) kwindow.kwindow_post(element);
				}
				else // ha nincs akkor egybol mehet a post:
				kwindow.kwindow_post(element);
	             Event.stop(event);
			}.bind(element));
		});
	},
	
	kwindow_post: function(element) {
		var form_id=element.getAttribute('form_id');
		var update_div=element.getAttribute('update_div');
		var url=element.getAttribute('url');

		var serializedForm = Form.serialize(form_id);

		if (update_div) {
		     // ajax post utan div update van:
			var myAjax = new Ajax.Updater(update_div, url,
				{
					asynchronous:true,
					onComplete: function(response) {
						// ha kert ablakbezarast, akkor be is zarjuk egybol:
						if (element.getAttribute('close_after_post')=="true") kwindow.kwindow_close();
						// a valaszt ezek utan barhol es barmikor el lehet erni ameg nincs ujabb valasz:
						kwindow.kwindow_post_response_text=response.responseText;
						// ha van post utani futtatando js, akkor azt is lefuttatjuk:
						if (element.getAttribute('run_js_after_post')) {
							var run_js_fgv_name=element.getAttribute('run_js_after_post');
							var ret=eval(run_js_fgv_name)();
						}
					},
					parameters: serializedForm,
					method: 'post'
				});
		}
		else {
		     // sima post van div update nelkul:
			var myAjax = new Ajax.Request(url,
				{
					asynchronous:true,
					onComplete: function(response) {
						// ha kert ablakbezarast, akkor be is zarjuk egybol:
						if (element.getAttribute('close_after_post')=="true") kwindow.kwindow_close();
						// a valaszt ezek utan barhol es barmikor el lehet erni ameg nincs ujabb valasz:
						kwindow.kwindow_post_response_text=response.responseText;
						// ha van post utani futtatando js, akkor azt is lefuttatjuk:
						if (element.getAttribute('run_js_after_post')) {
							var run_js_fgv_name=element.getAttribute('run_js_after_post');
							var ret=eval(run_js_fgv_name)();
						}
					},
					parameters: serializedForm,
					method: 'post'
				});
		}
	},
	
	kwindow_close: function(element_id) {
		// eltuntetjuk az ablakot:
		$("kwindow").style.display="none";
		// kivesszuk a DOM-bol a tartalmat:
		if ($("kwindow_content").down(0) && !kwindow.vIE()) $("kwindow_content").removeChild($("kwindow_content").down(0));
		// kivilagositjuk a fotartalmat:
	     $("photogallery2_darken").style.display="none";

		// ha a bezaras utan egybol uj ablakot kell nyitni:
		if (element_id) kwindow.kwindow_show($(element_id));

		// visszatesszuk a selecteket IE6 alatt
		if (kwindow.vIE()==6)
			$("body").getElementsBySelector("select").each(function(element) {
				element.style.visibility="visible";
		     });
	},

	// olyan elemet var, aminek megvannak legalabb a module, template attributumai:
	kwindow_show: function(element) {
		// attributumok kinyerese:
		var rel=element.getAttribute("rel");
		// sotetito hatterszin (alapbol szurke):
		var bg_color=element.getAttribute('bg_color');
		if (bg_color) $("photogallery2_darken").style.background="#"+bg_color;
		// sotetito hatterszin atlatszosaga:
		var bg_transparency=this.gray_layer_transparency;
		bg_transparency=element.getAttribute('bg_transparency');
		if (bg_transparency) {
			$("photogallery2_darken").style.filter = "alpha(opacity="+bg_transparency+")";
			$("photogallery2_darken").style.opacity = (bg_transparency/100);
			$("photogallery2_darken").style.MozOpacity = (bg_transparency/100);
			$("photogallery2_darken").style.KhtmlOpacity = (bg_transparency/100);
			this.gray_layer_transparency=bg_transparency;
		}

		var positions=getScrollXY();
		$("kwindow_center").style.top=positions[1]+"px";

		// kell e sotetites (alapbol igen):
		var disable_darken=element.getAttribute('disable_darken');
		// a betolteni kivant modul:
		var module=element.getAttribute('module');
		// es a betolteni kivant template a modulon belul:
		var template=element.getAttribute('template');
		// a betolteni kivant modul (ha ez van, akkor az adja vissza a templatet):
		var method=element.getAttribute('method');
		// az atadott parameterek (get-es formaban, url kodolassal):
		var params=element.getAttribute('params');
		if (params) params=urlencode(params);
		// azablak szelessege (alapbol 500px):
		var width=element.getAttribute('width');
		if (width) $("kwindow").style.width=width+"px";
		else $("kwindow").style.width="500px";
		// az ablak magassaga (alapbol auto):
		var height=element.getAttribute('height');
		if (height) $("kwindow").style.height=height+"px";
		else $("kwindow").style.height="auto";
		
		// automatikus bezaras (ms-ban):
		var autoclose=parseInt(element.getAttribute('autoclose'),10);
		// autoclose utan nyitando ablak adatait tartalmazo elem:
		if (autoclose>0) var kwindow_after_autoclose=element.getAttribute('kwindow_after_autoclose');
		// a porgo gif animacio megjelenitese, ameg tolti az ablak tartalmat:
		var loading_animation=element.getAttribute('loading_animation');

		var url="";

		// ha sima alertkent hasznaljuk:
		var alert_text=element.getAttribute('alert');
		if (alert_text) {
			alert_text=urlencode(alert_text);
			var alert_mode=element.getAttribute('mode');
			if (alert_mode) alert_mode=urlencode(alert_mode);
			else alert_mode='alert';
		     url="/ajax__kwindow_alert/"+alert_text+"/"+alert_mode;
		}

		// IE6 alatt a selecteket el kell tuntetni (mert mindig a sotetseg felett lennenek es lehetne rajuk kattintani):
		if (kwindow.vIE()==6)
			$("body").getElementsBySelector("select").each(function(element) {
				element.style.visibility="hidden";
			});

		if (disable_darken!="true")
			// elsotetitjuk az oldlat:
			$("photogallery2_darken").style.display="block";
			// az oldal tartalmanak megfelelo magassagot adunk neki:
			var bodyHeight=$("body").offsetHeight;
			$("photogallery2_darken").style.height=bodyHeight+"px";

		// ha engedelyezve van a loading animacio, akkor kirakjuk a porgo gif-et:
	     if (loading_animation!="false") $("kwindow_loading").style.display="block";
		// kiuritjuk az ablak tartalmat:
		//if ($("kwindow_content").down(0)) $("kwindow_content").removeChild($("kwindow_content").down(0));
          $("kwindow_content").innerHTML="";
		// megjelenitjuk az ablakot:
		$("kwindow").style.display="block";
		// feltoltjuk a tartalmat:
		if (rel=="kwindow_gallery") {
		     // kiszedjuk a galeria parametereit:
			var gallery_id=element.getAttribute('gallery_id');
			if (!gallery_id) gallery_id="0";
			if (!template) template="1";
			var startpic=element.getAttribute('startpic');
			if (!startpic) startpic="0";
			var main_image_size=element.getAttribute('main_image_size');
			if (!main_image_size) main_image_size="666x500";
			var thumb_image_size=element.getAttribute('thumb_image_size');
			if (!thumb_image_size) thumb_image_size="130x130";
			var title=element.getAttribute('title');
			if (!title) title="-";
			title=urlencode(title);
			var filter_picture_title=element.getAttribute('filter_picture_title');
			if (!filter_picture_title) filter_picture_title="-";
			filter_picture_title=urlencode(filter_picture_title);
			var gallery_module=element.getAttribute('gallery_module');
			if (!gallery_module) gallery_module="gallery";
			var gallery_scrollspeed=parseInt(element.getAttribute('scrollspeed'));
			if (!gallery_scrollspeed) gallery_scrollspeed=10;
			kwindow.gallery_scrollspeed=gallery_scrollspeed;

			// automatikus szelessegallitas:
			if (!width) {
				var mis=main_image_size.split("x");
				var tis=thumb_image_size.split("x");
				width=parseInt(mis[0])+parseInt(tis[0])+50;
				$("kwindow").style.width=width+"px";
			}

			url="/ajax__get_kwindow_gallery_template/"+gallery_id+"/"+template+"/"+startpic+"/"+main_image_size+"/"+thumb_image_size+"/"+title+"/"+filter_picture_title+"/"+gallery_module;
		}
			
		if (!method && template && rel!="kwindow_gallery" && !alert_text) url="/ajax__get_kwindow_content_from_template/"+module+"/"+template+"/params?"+params;
		if (method && !alert_text) url="/ajax__get_kwindow_content_from_method/"+module+"/"+method+"/params?"+params;

		var pars = '';
		var myAjax = new Ajax.Updater('kwindow_content', url, {
			method: 'get',
			parameters: pars,
			evalScripts: true,
			onComplete : function(valasz) {
				// eltuntetjuk a porgo gif-et:
			     if (loading_animation!="false") $("kwindow_loading").style.display="none";
				// inicializaljuk a bezarast:
				kwindow.init_kwindow_close();
				// es a postot:
				kwindow.init_kwindow_post();
			     // ha van automatikus bezaras, akkor elinditjuk a visszaszamlalast:
			     if (autoclose>0 && !kwindow_after_autoclose) setTimeout("kwindow.kwindow_close()",parseInt(autoclose));
				// ha meg uj ablak nyitas is van az automatikus bezaras utan, akkor ide fut ra:
			     if (autoclose>0 && kwindow_after_autoclose) setTimeout("kwindow.kwindow_close('"+kwindow_after_autoclose+"')",autoclose);
			}
		});
		// es mar kesz is vagyunk :)
	},
	
	change_main_image: function() {
		if (!$("kwindow_gallery")) return;
		$A($("kwindow_gallery").getElementsByClassName("change_kwindow_main_image")).each(function(element) {
		     element.observe("click", function(event) {
				$A($("kwindow_gallery").getElementsByClassName("main_image")).each(function(element2) {
					element2.style.display="none";
				});
				var image_id=element.up('td',0).getAttribute('image_id');
				$("kg_image_"+image_id).style.display="block";
				
				// a kepalairast is csereljuk: (csak jootlet)
				$A($("kwindow").getElementsByClassName("image_title_row")).each(function(element2) {
					element2.style.display="none";
				});
				$("image_title_text_"+image_id).style.display="block";
				
		     });
		});
	},
	
	gallery_move: function() {
		if (!$("kwindow_gallery")) return;
		$A($("kwindow_gallery").getElementsByClassName("move_up")).each(function(element) {
		     element.observe("mouseover", function(event) {
		          kwindow.gallery_move_up=true;
				setTimeout("kwindow.gallery_scroll('up')",20);
		     });
		});
		$A($("kwindow_gallery").getElementsByClassName("move_down")).each(function(element) {
		     element.observe("mouseover", function(event) {
		          kwindow.gallery_move_down=true;
				setTimeout("kwindow.gallery_scroll('down')",20);
		     });
		});
		$A($("kwindow_gallery").getElementsByClassName("move_up")).each(function(element) {
		     element.observe("mouseout", function(event) {
		          kwindow.gallery_move_up=false;
		     });
		});
		$A($("kwindow_gallery").getElementsByClassName("move_down")).each(function(element) {
		     element.observe("mouseout", function(event) {
		          kwindow.gallery_move_down=false;
		     });
		});
		$A($("kwindow_gallery").getElementsByClassName("move_prev")).each(function(element) {
		     element.observe("click", function(event) {
				// megszamoljuk hogy hany kep van osszesen:
				for (i=1;;i++) if (!$("kg_image_"+i)) break;
				var image_number=i-1;
				
				// megnezzuk hogy melyik az aktualis:
				for (i=1; i<=image_number; i++) if ($("kg_image_"+i).style.display=="block" || $("kg_image_"+i).style.display=="static") break;
				var actual_image=i;
				// leptetes: (korkoros)
				var prev_image=actual_image-1;
				if (prev_image<1) prev_image=image_number;

				$A($("kwindow_gallery").getElementsByClassName("main_image")).each(function(element2) {
					element2.style.display="none";
				});
				$("kg_image_"+prev_image).style.display="block";
		     });
		});
		$A($("kwindow_gallery").getElementsByClassName("move_next")).each(function(element) {
		     element.observe("click", function(event) {
				// megszamoljuk hogy hany kep van osszesen:
				for (i=1;;i++) if (!$("kg_image_"+i)) break;
				var image_number=i-1;

				// megnezzuk hogy melyik az aktualis:
				for (i=1; i<=image_number; i++) if ($("kg_image_"+i).style.display=="block" || $("kg_image_"+i).style.display=="static") { var actual_image=i; break; }
				if (!actual_image) var actual_image=1;
				// leptetes: (korkoros)
				var next_image=actual_image+1;
				if (next_image>image_number) next_image=1;

				$A($("kwindow_gallery").getElementsByClassName("main_image")).each(function(element2) {
					element2.style.display="none";
				});
				$("kg_image_"+next_image).style.display="block";
		     });
		});
	},

	gallery_scroll: function(dir) {
		if (dir=="up") {
			var top=parseInt($("kwindow_gallery_thumbs").style.top);
			if (!top) top=0;
			top+=kwindow.gallery_scrollspeed;
			if (top>0) top=0;
			$("kwindow_gallery_thumbs").style.top=top+"px";
		     if (kwindow.gallery_move_up) setTimeout("kwindow.gallery_scroll('up')",20);
		}
		if (dir=="down") {
			// kiszedjuk a thumbs div magassagat mert MUSZAJ!
			var thumbsHeight=400;
			$A($("kwindow_gallery").getElementsByClassName("thumbs")).each(function(element) {
			     thumbsHeight=parseInt(element.style.height);
			});

			var top=parseInt($("kwindow_gallery_thumbs").style.top);
			if (!top) top=0;
			top-=kwindow.gallery_scrollspeed;
			var hossz=-parseInt($("kwindow_gallery_thumbs").offsetHeight);
			hossz=hossz+thumbsHeight;
			if (top<=hossz) top=hossz;
			if (parseInt($("kwindow_gallery_thumbs").offsetHeight)<thumbsHeight) top=0;
			$("kwindow_gallery_thumbs").style.top=top+"px";
		     if (kwindow.gallery_move_down) setTimeout("kwindow.gallery_scroll('down')",20);
		}
	}
	
}

var kwindow=new Kwindow;

function wheel_handle(delta) {
	if (delta < 0) { if (kwindow.gray_layer_transparency<100) kwindow.gray_layer_transparency+=5; }
	else { if (kwindow.gray_layer_transparency>0) kwindow.gray_layer_transparency-=5; }

	$("photogallery2_darken").style.filter = "alpha(opacity="+kwindow.gray_layer_transparency+")";
	$("photogallery2_darken").style.opacity = (kwindow.gray_layer_transparency/100);
	$("photogallery2_darken").style.MozOpacity = (kwindow.gray_layer_transparency/100);
	$("photogallery2_darken").style.KhtmlOpacity = (kwindow.gray_layer_transparency/100);
}

function wheel(event){
	if ($("kwindow").style.display=="block") {
		var delta = 0;
		if (!event) event = window.event;
		if (event.wheelDelta) {
		      delta = event.wheelDelta/120;
		      if (window.opera) delta = -delta;
		}
		else if (event.detail) delta = -event.detail/3;

		if (delta) wheel_handle(delta);

		if (event.preventDefault) event.preventDefault();

		event.returnValue = false;
	}
}

if (window.addEventListener)
window.addEventListener('DOMMouseScroll', wheel, false);
window.onmousewheel = document.onmousewheel = wheel;
/** 
 * http://dean.edwards.name/weblog/2005/09/busted/
 * thank you dean! ;)
 */
function init() {
	miracle.init();
}

/* for Mozilla */
if (document.addEventListener) {
	document.addEventListener("DOMContentLoaded", init, false);
}

if (browser.isIE) {
	document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");
	var script = document.getElementById("__ie_onload");
	script.onreadystatechange = function() {
		if (this.readyState == "complete") {
			init(); // call the onload handler
		}
	};
}

/* for Safari */
if (/WebKit/i.test(navigator.userAgent)) { // sniff
	var _timer = setInterval(function() {
		if (/loaded|complete/.test(document.readyState)) {
			init(); // call the onload handler
		}
	}, 10);
}

/* for other browsers */
// szeirntem ez ide nem kell, minden js 2-szer inicializalodik :S Krissz
//window.onload = init;


/* webcommander miatt nem törölhető! */
function server_action(module, method, parameters) {
	return miracle.ajax(module, method, parameters);
}

/* LOADED_JS: /www/local/sma.portal//html/public/_portal/modules/kgallery/kgallery.js */


/* gallery manager */

miracle.initAction(gm_gallery_select);
miracle.initAction(gm_gallery_delete);
miracle.initAction(gm_move);

function gm_gallery_delete() {
	if (!$("gallery_manager_box")) return;
		$A($("gallery_manager_box").getElementsByClassName("gm_gallery_delete")).each(function(element) {
			element.observe("click", function(event) {
				if (confirm("Biztosan TÖRLI az EGÉSZ galériát?")===true) {
				     var gallery_id=$("gm_gallery_id").value;
				  	var url="/ajax__gm_delete_gallery/"+gallery_id;
					var myAjax = new Ajax.Request(url, {
						method: 'post',
						parameters: { },
						evalScripts: true,
						onComplete : function(valasz) {
							// kivesszuk a selectbol az elemet:
							element=$("gm_gallery_select").down('select',0);
						     var rem=new Array();
							for (i=0; element.options[i]; i++) if (element.options[i].value==gallery_id) rem.push(element.options[i]);
							for (var i=0; i<rem.length; i++) rem[i].remove();
						}
					});
				}
			});
		});
}

function gm_gallery_select() {
	if (!$("gm_gallery_select")) return;
		$A($("gm_gallery_select").getElementsByClassName("gm_gallery_select")).each(function(element) {
			element.observe("change", function(event) {
			     var act_size_x=$("gm_act_size_x").value;
			     var act_size_y=$("gm_act_size_y").value;
			     var option_delete=$("gm_option_delete").value;
			     var option_title=$("gm_option_title").value;
     			var option_move=$("gm_option_move").value;
     			
	        		var url="/ajax__get_gm_gallery_images/"+element.value+"/"+act_size_x+"/"+act_size_y+"/"+option_delete+"/"+option_title+"/"+option_move;
				var pars = '';
				var myAjax = new Ajax.Updater("gm_image_container", url, {
					method: 'get',
					parameters: pars,
					evalScripts: true,
					onComplete : function(valasz) {
						$("gm_upload_gallery_id").value=element.value;
						gm_move();
					}
				});
			});
		});
}

function gm_gallery_filter() {
	$("gm_gallery_select").down("select",0).disabled=true;
	var word=$("gallery_manager_box_filter").value;
	var only_gm_galleries=$("gm_option_only_gm_galleries").value;

	// urlencode :)
	var ret = word;
	ret = ret.toString();
	ret = encodeURIComponent(ret);
	ret = ret.replace(/%20/g, '+');
	word=ret;

	if (word=="") word="_all";
   	var url="/ajax__get_gm_gallery_select/"+word+"/"+only_gm_galleries;
	var myAjax = new Ajax.Updater("gm_gallery_select", url, {
		method: 'post',
		parameters: { },
		evalScripts: true,
		onComplete : function(valasz) {
			// ujra kell inicializalni a cuccot:
               gm_gallery_select();
		}
	});
}

function gallery_manager_change_size(sizex,sizey) {
     var gallery_id=$("gm_gallery_id").value;
     var option_delete=$("gm_option_delete").value;
     var option_title=$("gm_option_title").value;
	var option_move=$("gm_option_move").value;
	
	var url="/ajax__get_gm_gallery_images/"+gallery_id+"/"+sizex+"/"+sizey+"/"+option_delete+"/"+option_title+"/"+option_move;
	var pars = '';
	var myAjax = new Ajax.Updater("gm_image_container", url, {
		method: 'get',
		parameters: pars,
		evalScripts: true,
		onComplete : function(valasz) {
			gm_move();
		}
	});
}

function gm_create_new_gallery() {
	var name=$("gallery_manager_box_gm_new_gallery_name").value;

	// urlencode :)
	var ret = name;
	ret = ret.toString();
	ret = encodeURIComponent(ret);
	ret = ret.replace(/%20/g, '+');
	name=ret;

	var url="/ajax__gm_create_gallery/"+name;
	var pars = '';
	var myAjax = new Ajax.Request(url, {
		method: 'get',
		parameters: pars,
		evalScripts: true,
		onComplete : function(valasz) {
			var gallery_id=parseInt(valasz.responseText);
			var act_size_x=$("gm_act_size_x").value;
			var act_size_y=$("gm_act_size_y").value;
			var option_delete=$("gm_option_delete").value;
			var option_title=$("gm_option_title").value;
			var option_move=$("gm_option_move").value;
			
			var url="/ajax__get_gm_gallery_images/"+gallery_id+"/"+act_size_x+"/"+act_size_y+"/"+option_delete+"/"+option_title+"/"+option_move;
			var pars = '';
			var myAjax = new Ajax.Updater("gm_image_container", url, {
				method: 'get',
				parameters: pars,
				evalScripts: true,
				onComplete : function(valasz) {
					var only_gm_galleries=$("gm_option_only_gm_galleries").value;
					var url="/ajax__get_gm_gallery_select/_all/"+only_gm_galleries;
					var myAjax = new Ajax.Updater("gm_gallery_select", url, {
						method: 'post',
						parameters: { },
						evalScripts: true,
						onComplete : function(valasz) {
							// ujra kell inicializalni a cuccot:
							gm_gallery_select();
							element=$("gm_gallery_select").down('select',0);
							for (i=0; element.options[i]; i++) if (element.options[i].value==gallery_id) element.selectedIndex=i;
						}
					});
				}
			});
		}
	});
}

function gm_delete_image(id,a) {
	if (confirm("Biztosan TÖRLI ezt a képet?")===true) {
	     var gallery_id=$("gm_gallery_id").value;
		var url="/ajax__gm_delete_picture/"+id+"/"+gallery_id;
		var pars = '';
		var myAjax = new Ajax.Request(url, {
			method: 'get',
			parameters: pars,
			evalScripts: true,
			onComplete : function(valasz) {
				//a.up("td",0).style.display="none";
				// itt is muszaj a mozgatas miatt ujrahivni az egeszet:
				var gallery_id=$("gm_gallery_id").value;
				var act_size_x=$("gm_act_size_x").value;
				var act_size_y=$("gm_act_size_y").value;
				var option_delete=$("gm_option_delete").value;
				var option_title=$("gm_option_title").value;
				var option_move=$("gm_option_move").value;
				var url="/ajax__get_gm_gallery_images/"+gallery_id+"/"+act_size_x+"/"+act_size_y+"/"+option_delete+"/"+option_title+"/"+option_move;
				var pars = '';
				var myAjax = new Ajax.Updater("gm_image_container", url, {
					method: 'get',
					parameters: pars,
					evalScripts: true,
					onComplete : function(valasz) {
						gm_move();
					}
				});
			}
		});
	}
}

function after_gm_title_update() {
	var r=kwindow.kwindow_post_response_text;

	var a=r.split("|");

	$A($("gm_image_table").getElementsByClassName("title")).each(function(element) {
	     if (element.getAttribute('image_id')==a[0]) {
			if (a[1]=="") element.innerHTML="N / A";
			else element.innerHTML=a[1];
	     }
	});
}

function gm_move() {
	if (!$("gallery_manager_box")) return;
		$A($("gallery_manager_box").getElementsByClassName("move_left")).each(function(element) {
			element.observe("click", function(event) {
			     var actual_img_id=element.up('td',0).getAttribute('image_id');
			     var previous_img_id=element.up('td',0).previous('td',0).getAttribute('image_id');
				change_image_positions(actual_img_id,previous_img_id);
			});
		});


		$A($("gallery_manager_box").getElementsByClassName("move_right")).each(function(element) {
			element.observe("click", function(event) {
			     var actual_img_id=element.up('td',0).getAttribute('image_id');
			     var next_img_id=element.up('td',0).next('td',0).getAttribute('image_id');
				change_image_positions(actual_img_id,next_img_id);
			});
		});
}

function change_image_positions(actual_img_id,next_img_id) {
	var url="/ajax__gm_move_image/"+actual_img_id+"/"+next_img_id;
	var pars = '';
	var myAjax = new Ajax.Request(url, {
		method: 'get',
		parameters: pars,
		evalScripts: true,
		onComplete : function(valasz) {
			var gallery_id=$("gm_gallery_id").value;
			var act_size_x=$("gm_act_size_x").value;
			var act_size_y=$("gm_act_size_y").value;
			var option_delete=$("gm_option_delete").value;
			var option_title=$("gm_option_title").value;
			var option_move=$("gm_option_move").value;
			var url="/ajax__get_gm_gallery_images/"+gallery_id+"/"+act_size_x+"/"+act_size_y+"/"+option_delete+"/"+option_title+"/"+option_move;
			var pars = '';
			var myAjax = new Ajax.Updater("gm_image_container", url, {
				method: 'get',
				parameters: pars,
				evalScripts: true,
				onComplete : function(valasz) {
					gm_move();
				}
			});
		}
	});
}


/* LOADED_JS: /www/local/sma.portal/html/public/www/php/modules/base/base.js */


miracle.initAction(submit_form);
miracle.initAction(task_edit_courses);
miracle.initAction(change_comment_page);
miracle.initAction(message_tabs);
miracle.initAction(close_new_message);
miracle.initAction(message_user_type);
miracle.initAction(message_course);
miracle.initAction(message_exam_appraise);

function message_exam_appraise() {
	if (!$("messages_exam_appraise_")) return;
	$("messages_exam_appraise_").observe("click", function(event) {
	     if ($("messages_exam_appraise_").checked) $("messages_subject").value="Vizsga értékelő üzenet";
	     else $("messages_subject").value="";
	});
}

function message_course() {
	if (!$("messages_courses")) return;
     $("messages_courses").observe("change", function(event) {
		// kijeloljuk az adott kurzusba tartozo diakokat:
		var course_id=$("messages_courses").value;

          // visszajelolunk mindenkit:
          for (i=0; $("messages_users").options[i]; i++) $("messages_users").options[i].selected=false;

		miracle.ajax("base", "get_students_by_course",
			{
				course_id: course_id
			},
			function(response) {
				if (response.length!=0) {
					for (i=0; response[i]; i++) {
					     if (response[i].option=="") continue;
				          for (j=0; $("messages_users").options[j]; j++) {
				               if ($("messages_users").options[j].value==response[i].value) {
					               $("messages_users").options[j].selected=true;
				               }
				          }
					}
				}
			}.bind(this)
		);
     });
}

function strpos(haystack, needle, offset){
    var i = (haystack+'').indexOf( needle, offset );
    return i===-1 ? false : i;
}

function message_user_type() {
	if (!$("module_messages")) return;
	$("messages_user_type1_").observe("click", function(event) {
	     if ($("messages_user_type1_").checked) {
	          // kijelöljük az összes diákot:
	          for (i=0; $("messages_users").options[i]; i++) {
	               if (strpos($("messages_users").options[i].text,"(diák)",0)>0) {
		               $("messages_users").options[i].selected=true;
	               }
	          }
	     }
	     else {
	          // visszajelöljük az összes diákot
	          for (i=0; $("messages_users").options[i]; i++) {
	               if (strpos($("messages_users").options[i].text,"(diák)",0)>0) {
		               $("messages_users").options[i].selected=false;
	               }
	          }
	     }
	});
	$("messages_user_type2_").observe("click", function(event) {
	     if ($("messages_user_type2_").checked) {
	          // kijelöljük az összes tanárt:
	          for (i=0; $("messages_users").options[i]; i++) {
	               if (strpos($("messages_users").options[i].text,"(tanár)",0)>0) {
		               $("messages_users").options[i].selected=true;
	               }
	          }
	     }
	     else {
	          // visszajelöljük az összes tanárt
	          for (i=0; $("messages_users").options[i]; i++) {
	               if (strpos($("messages_users").options[i].text,"(tanár)",0)>0) {
		               $("messages_users").options[i].selected=false;
	               }
	          }
	     }
	});
}

function close_new_message() {
	if (!$("close_new_message")) return;
	$("close_new_message").observe("click", function(event) {
	     clearTimeout(slide_up_timer);
          slide_down_new_message(parseInt($("new_message").style.bottom));
	});
}

setTimeout('check_inbox()',4000);
var slide_up_timer;

function check_inbox() {
	// ahol nem kell ellenorzes:
	if ($("module_messages") || $("module_login_box") || $("module_message")) return;

	miracle.ajax("base", "check_inbox",
		{
			
		},
		function(response) {
			if (response.length!=0) {
			     var r=response.split("|");
			     if (r[0]=="0") {
					setTimeout('check_inbox()',8000);
			     }
			     else {
			          $("new_message_details").innerHTML=r[1];
			          $("new_message").style.display="block";
			          slide_up_timer=slide_up_new_message(-170);
			     }
			}
		}.bind(this)
	);
}

function slide_down_new_message(bottom) {
	$("new_message").style.bottom=bottom+"px";
	bottom-=6;
	if (bottom>-170) setTimeout('slide_down_new_message('+bottom+')',15);
	else	{
		$("new_message").style.bottom="-170px";
	     $("new_message").style.display="none";
	}
}

function slide_up_new_message(bottom) {
	if (bottom>1) bottom=1;
	$("new_message").style.bottom=bottom+"px";
	bottom+=6;
	if (bottom<1) slide_up_timer=setTimeout('slide_up_new_message('+bottom+')',15);
	else	$("new_message").style.bottom="1px";
}

function message_tabs() {
	if (!$("module_messages")) return;
	$A($("module_messages").getElementsByClassName("tab")).each(function(element) {
	     element.observe("click",function(event) {
			// mindet inaktivaljuk:
		     $A($("module_messages").getElementsByClassName("tab")).each(function(element2) {
				element2.removeClassName("tab_active");
				if (!element2.hasClassName("tab_inactive")) element2.addClassName("tab_inactive");
				element2.style.zIndex=parseInt(element2.getAttribute("z"));
		     });
		     // a kattintottat beaktivaljuk:
			element.removeClassName("tab_inactive");
			if (!element.hasClassName("tab_active")) element.addClassName("tab_active");
			element.style.zIndex=8;
			
			$("tab_1").style.display="none";
			$("tab_2").style.display="none";
			$("tab_3").style.display="none";
			$("tab_4").style.display="none";
			var tab_id=element.getAttribute("tab_id");
			$("tab_"+tab_id).style.display="block";
	     });
	});
}

function task_edit_courses() {
	if (!$("task_edit_course_id")) return;
	$("task_edit_course_id").observe("change", function(event) {
	     if ($("task_edit_course_id").value=="NULL") return;

		// diakok:
		miracle.ajax("base", "get_students_by_course",
			{
				class_id: $("task_edit_course_id").value
			},
			function(response) {
				if (response.length!=0) miracle.form.updateSelect($("task_edit_students"), response);
			}.bind(this)
		);

		// tantargyak:
		miracle.ajax("base", "get_subjects_by_course_and_teacher",
			{
				course_id: $("task_edit_course_id").value
			},
			function(response) {
				if (response.length!=0)  miracle.form.updateSelect($("task_edit_subject_id"), response);
			}.bind(this)
		);
	});
	
	
}

function submit_form() {
	if (!$("submit_form")) return;
	$("submit_form").observe("click", function(event) {
	     $("submit_form").up("form",0).submit();
	});
}

var actual_page=1;

function change_comment_page() {
	$A(document.getElementsByClassName("change_page")).each(function(element) {
	     element.observe("click", function(event) {
	          var page=parseInt(element.innerHTML.replace(/^\s+|\s+$/g,""));
	          if (page==actual_page) return;
	          $("body").style.cursor="wait";
	          var type=$("pager_type").value;
			miracle.ajax("base", "get_comments_by_"+type,
				{
					task_id: $("task_id").value,
					page: page
				},
				function(response) {
					if (response.length!=0) {
					     $("comments").innerHTML=response;
			               actual_page=page;
				          $("body").style.cursor="default";
					}
				}.bind(this)
			);
	     });
	});
}