/*  Prototype JavaScript framework, version 1.3.1
 *  (c) 2005 Sam Stephenson 
 *
 *  THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff
 *  against the source tree, available from the Prototype darcs repository.
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *
 *  For details, see the Prototype web site: http://prototype.conio.net/
 *
/*--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.3.1',
  emptyFunction: function() {}
}

/*
create鍑芥暟杩斿洖涓�涓嚱鏁板璞★紝褰搉ew杩欎釜鏋勯�犲嚱鏁版椂锛屼細璋冪敤琚垱寤哄璞＄殑initialize鍑芥暟锛屼紶鍏ョ殑鍙傛暟鏄瀯閫犲嚱鏁扮殑鍙傛暟
鍙互鎶奿nitialize鍑芥暟瀹氫箟鍒板嚱鏁板璞＄殑prototype瀵硅薄涓婂幓锛岃繖鏍烽�氳繃鏋勯�犲嚱鏁板垱寤虹殑瀵硅薄灏变細鎷ユ湁杩欎釜鏂规硶
this.initilaize涔熷氨鏄垚绔嬬殑
*/

var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

var Abstract = new Object();

/*
灏唖ource瀵硅薄鐨勬墍鏈夊睘鎬у紩鐢ㄥ埌destination瀵硅薄涓婂幓
*/
Object.extend = function(destination, source) {
  for (property in source) {
    destination[property] = source[property];
  }
  return destination;
}

/*
鎶婁紶杩涙潵鐨勫璞＄殑鏂规硶閮借祴缁欏綋鍓嶅璞★紝浣嗚繖鏍峰甫鏉ヤ竴涓緢澶х殑闂
灏辨槸渚濋潬寰幆灞炴�ф潵宸ヤ綔鐨勪唬鐮佸氨浼氬緢楹荤儲锛岄兘瑕佸垽鏂槸鍚︽槸extend灞炴��

瀵硅薄鏈韩浠ュ強prototype鐨勬墍鏈夎嚜瀹氫箟灞炴�ч兘鏄痚numerate锛屾墍浠ュ幓鎺夎繖涓柟娉�



Object.prototype.extend = function(object) {
  return Object.extend.apply(this, [this, object]);
}
*/

/*
Function鏄敤鏉ュ垱寤哄嚱鏁板璞＄殑锛屾墍浠his灏辨槸鎸囧嚱鏁板璞℃湰韬�

arguments鏄嚱鏁板璞＄殑鍙傛暟
obj.onclick = func.bind(obj1)
onclick瀹為檯鏄皟鐢╢unc锛屽杩欎釜func鏉ヨthis鏄痮bj1锛屽弬鏁版槸onclick鐨�

*/
Function.prototype.bind = function(object) {
  var __method = this;
  return function() {
    __method.apply(object, arguments);
  }
}
/*
浼犲叆鍙傛暟涓篹vent
*/
Function.prototype.bindAsEventListener = function(object) {
  var __method = this;
  return function(event) {
    __method.call(object, event || window.event);
  }
}

/*
杞崲涓�涓暟瀛椾负16杩涘埗瀛楃涓�

var x = 33;
x.toColorPart()
*/
Number.prototype.toColorPart = function() {
  var digits = this.toString(16);
  if (this < 16) return '0' + digits;
  return digits;
}

/*
鎵ц浼犲叆鐨勬墍鏈夊嚱鏁帮紝鐩村埌鏌愪釜鎴愬姛
*/
var Try = {
  these: function() {
    var returnValue;

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

    return returnValue;
  }
}

/*--------------------------------------------------------------------------*/
/*
浠ョ涓哄崟浣嶈缃椂闂撮棿闅旓紝璋冪敤鍥炶皟鍑芥暟鐨勬椂鍊欙紝濡傛灉姝ｅ湪璋冪敤灏变粈涔堥兘涓嶅仛
*/
var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

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

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.callback();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
}

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

function $() {
  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string'){
	  if (document.all){
        element = document.getElementById(element);
	  }else{//firefox瀵筫lement鐨勫睘鎬у�兼槸鍖哄垎涓ユ牸鐨勶紝鎵�浠ュ湪杩欏仛浜嗕竴涓吋瀹瑰鐞� [鏉庨拪2008-03-19]
	    var ori_element=element;
        element = document.getElementById(ori_element);
		if (element==null){
			if (document.getElementsByName(ori_element).length==1){
	          element = document.getElementsByName(ori_element).item(0);
			}else{
	          element = document.getElementsByName(ori_element);				
			}
		}
	  }
	}
    if (arguments.length == 1)
      return element;

    elements.push(element);
  }

  return elements;
}

/*
濡傛灉Array娌℃湁push鍑芥暟锛屽嚱鏁版病鏈塧pply鏂规硶
濡傛灉if涓殑琛ㄨ揪寮忔槸null, undefined, 0, "", or NaN, it converts to false
*/
if (!Array.prototype.push) {
  Array.prototype.push = function() {
		var startLength = this.length;
		for (var i = 0; i < arguments.length; i++)
      this[startLength + i] = arguments[i];
	  return this.length;
  }
}

if (!Function.prototype.apply) {
  // Based on code from http://www.youngpup.net/
  Function.prototype.apply = function(object, parameters) {
    var parameterStrings = new Array();
    if (!object)     object = window;
    if (!parameters) parameters = new Array();

    for (var i = 0; i < parameters.length; i++)
      parameterStrings[i] = 'parameters[' + i + ']';

    object.__apply__ = this;
    var result = eval('object.__apply__(' +
      parameterStrings.join(', ') + ')');
    object.__apply__ = null;

    return result;
  }
}

/*
缁橲tring澧炲姞涓変釜鏂规硶
*/
Object.extend(String.prototype,{
  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, ''); //鍖归厤<> 鎴栬��</> 鏇挎崲涓�'' gi 鍏ㄩ儴鎼滅储锛屽ぇ灏忓啓涓嶆晱鎰�

  },

  escapeHTML: function() {
    var div = document.createElement('div');
    var text = document.createTextNode(this);
    div.appendChild(text);
    return div.innerHTML;
  },
//涓�娈靛瓧绗︿覆鎴戝凡缁廵scape杩囦簡锛屾瘮濡傜敤杩炴帴绗�&宸茬粡鐢�&amp;鏉ヨ〃绀猴紝鐜板湪鎴戞兂杩樺師鎴愬師鏉ョ殑琛ㄧず&
  unescapeHTML: function() {
    var div = document.createElement('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0].nodeValue;
  },
  right:function(total_chars){
  	return this.substring(this.length-total_chars);
  },
  trim:function(){
    var temp_string = this;
    while(temp_string.right(1)==' '){
    	temp_string = temp_string.substring(0,temp_string.length-1);
    }
    return temp_string;
  }
});


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

Ajax.Base = function() {};
Ajax.Base.prototype = {
  setOptions: function(options) {
    this.options = Object.extend({
      method:       'post',
      asynchronous: true,
      parameters:   ''
    },(options || {}));
  },

  responseIsSuccess: function() {
    return this.transport.status == undefined
        || this.transport.status == 0
        || (this.transport.status >= 200 && this.transport.status < 300);  //2寮�澶寸殑閮借〃绀烘垚鍔�

  },

  responseIsFailure: function() {
    return !this.responseIsSuccess();
  }
}

Ajax.Request = Class.create();
Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

//鍒涘缓base绫诲璞★紝骞剁粰瀹冨鍔犲嚑涓睘鎬э紝鐒跺悗浣滀负鏂扮殑鏋勯�犲嚱鏁扮殑prototype

Ajax.Request.prototype = Object.extend((new Ajax.Base()),{
  initialize: function(url, options) {
    this.transport = Ajax.getTransport();
    this.setOptions(options);
    this.request(url);
  },

  request: function(url) {
    var parameters = this.options.parameters || '';
    if (parameters.length > 0) parameters += '&_=';

    try {
      if (this.options.method == 'get')
        url += '?' + parameters;

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

      if (this.options.asynchronous) {
        this.transport.onreadystatechange = this.onStateChange.bind(this);
     //   setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
      }

      this.setRequestHeaders();

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

    } catch (e) {
    }
  },

  setRequestHeaders: function() {
    var requestHeaders =
      ['X-Requested-With', 'XMLHttpRequest',
       'X-Prototype-Version', Prototype.Version];

    if (this.options.method == 'post') {
      requestHeaders.push('Content-type',
        'application/x-www-form-urlencoded');

      /* Force "Connection: close" for Mozilla browsers to work around
       * a bug where XMLHttpReqeuest sends an incorrect Content-length
       * header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType)
        requestHeaders.push('Connection', 'close');
    }

    if (this.options.requestHeaders)
      requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);

    for (var i = 0; i < requestHeaders.length; i += 2)
      this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
 //   alert('stateChange='+readyState);
  //  if (readyState != 1)
      this.respondToReadyState(this.transport.readyState);
  },

  respondToReadyState: function(readyState) {
   // alert(readyState);
    var event = Ajax.Request.Events[readyState];
  //  alert(event);
    if (event == 'Complete')
      (this.options['on' + this.transport.status]
       || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
       || Prototype.emptyFunction)(this.transport);

    (this.options['on' + event] || Prototype.emptyFunction)(this.transport);

    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
    if (event == 'Complete')
      this.transport.onreadystatechange = Prototype.emptyFunction;
  }
});

/* sunxf extend begin*/
Ajax.Executor = Class.create();

Ajax.Executor.ReturnObject = new Object();

Object.extend(Ajax.Executor.prototype,Object.extend(Ajax.Request.prototype,{
  initialize: function(url, options) {
    this.transport = Ajax.getTransport();
    this.setOptions(options);
    var onComplete = this.options.onComplete || Prototype.emptyFunction;
    this.options.onComplete = (function() {
       //alert(this.transport.responseText);
   //document.write(this.transport.responseText);
    try{
      eval(this.transport.responseText);
     //this.transport.responseText
    }catch(exception) {
   /* if   (typeof(f_noPrivilege)=="function"){
    	f_noPrivilege("newPerson");
    }else if(typeof(f_noPrivilege_add)=="function"){
    	f_noPrivilege_add("newPerson");   
    }else if(typeof(f_noPrivilege_edit)=="function"){
    	f_noPrivilege_edit("newPerson");     	     	
    }else{*/
    alert(exception.message);
   // }
	
      
    }
      onComplete(this.transport);
    }).bind(this);
    this.request(url);
  }
}));

/* sunxf extend end*/

Ajax.Updater = Class.create();
//Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)';
Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)';

Object.extend(Ajax.Updater.prototype,Object.extend(Ajax.Request.prototype,{
  initialize: function(container, url, options) {
    this.containers = {
      success: container.success ? $(container.success) : $(container),
      failure: container.failure ? $(container.failure) :
        (container.success ? null : $(container))
    }

    this.transport = Ajax.getTransport();
    this.setOptions(options);

    if(this.options.displayLoading){
      var onLoading = this.options.onLoading || Prototype.emptyFunction;
      this.options.onLoading = (function() {
        this.toggleDisplayLoading(true);
        onLoading(this.transport);
      }).bind(this);
    }

    var onComplete = this.options.onComplete || Prototype.emptyFunction;
    this.options.onComplete = (function() {
      this.updateContent();
      onComplete(this.transport);
      if(this.options.displayLoading){
        this.toggleDisplayLoading(false);
      }
    }).bind(this);

    this.request(url);
  },

  updateContent: function() {
    var receiver = this.responseIsSuccess() ?
      this.containers.success : this.containers.failure;

    var match    = new RegExp(Ajax.Updater.ScriptFragment, 'img');
    var response = this.transport.responseText.replace(match, '');
    var scripts  = this.transport.responseText.match(match);

    if (receiver) {
      if (this.options.insertion) {
        new this.options.insertion(receiver, response);
      } else {
//       alert(response);
   //    alert(receiver.innerHTML);
       // document.write(this.transport.responseText);
    //    document.write(response);
        receiver.innerHTML = response;
      }
    }
/*杩欎釜鍦版柟鏈夌偣鍒壄,鍏堟敞閲婃帀锛燂紵锛燂紵锛�

    if (this.responseIsSuccess()) {
      if (this.onComplete)
        setTimeout((function() {this.onComplete(
          this.transport)}).bind(this), 10);
    }
*/
    if (this.options.evalScripts && scripts) {
      match = new RegExp(Ajax.Updater.ScriptFragment, 'im');
      setTimeout((function() {
        for (var i = 0; i < scripts.length; i++)
         //alert(scripts[i].match(match)[1]);
          eval(scripts[i].match(match)[1]);
      }).bind(this), 10);
    }
  },

  toggleDisplayLoading:function(state){
    Ajax.Updater.loadingPane = document.getElementById("updater_loading");
    if (Ajax.Updater.loadingPane == null) {
	var el = document.createElement('DIV');
	el.setAttribute("id","updater_loading");
//	el.style.cssText="display:none;font-family:Verdana;font-size:11px;border:1px solid #00CC00;background-color:#A4FFA4;padding:1px;position:absolute; right:1px; top:1px; width:110px; height:14px; z-index:1";
	el.style.cssText="display:none;position:absolute;border:1px solid #0033FF;font:bold 14px verdana,tahoma,helvetica;color:#003366;background:white url(../images/block-bg.gif) repeat-x;padding:10px;left:35%; top:40%; width:300px;";
//	el.innerHTML="loading  ...... ";
	el.innerHTML="<div style='font-size:9pt;background-image:url(../images/loading.gif);background-repeat: no-repeat;background-position:center left;height:30px;text-align:center;line-height:30px;'>loading...</div>";

	document.body.appendChild(el);
	Ajax.Updater.loadingPane = el;
    }
    if (state) {
	Ajax.Updater.loadingPane.style.display="block";
//	Ajax.Updater.loadingPane.style.top = document.body.scrollTop+1;
    } else {
	Ajax.Updater.loadingPane.style.display="none";
    }
  }

}));

Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend((new Ajax.Base()),{
  initialize: function(container, url, options) {
    this.setOptions(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.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.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Ajax.emptyFunction).apply(this, arguments);
  },

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

      this.lastText = request.responseText;
    }
    this.timer = setTimeout(this.onTimerEvent.bind(this),
      this.decay * this.frequency * 1000);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});

document.getElementsByClassName = function(className) {
  var children = document.getElementsByTagName('*') || document.all;
  var elements = new Array();

  for (var i = 0; i < children.length; i++) {
    var child = children[i];
    var classNames = child.className.split(' ');
    for (var j = 0; j < classNames.length; j++) {
      if (classNames[j] == className) {
        elements.push(child);
        break;
      }
    }
  }

  return elements;
}

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

if (!window.Element) {
  var Element = new Object();
}

Object.extend(Element, {
  toggle: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      element.style.display =
        (element.style.display == 'none' ? '' : 'none');
    }
  },

  hide: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      element.style.display = 'none';
    }
  },

  show: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      element.style.display = '';
    }
  },

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

  getHeight: function(element) {
    element = $(element);
    return element.offsetHeight;
  },

  hasClassName: function(element, className) {
    element = $(element);
    if (!element)
      return;
    var a = element.className.split(' ');
    for (var i = 0; i < a.length; i++) {
      if (a[i] == className)
        return true;
    }
    return false;
  },

  addClassName: function(element, className) {
    element = $(element);
    Element.removeClassName(element, className);
    element.className += ' ' + className;
  },

  removeClassName: function(element, className) {
    element = $(element);
    if (!element)
      return;
    var newClassName = '';
    var a = element.className.split(' ');
    for (var i = 0; i < a.length; i++) {
      if (a[i] != className) {
        if (i > 0)
          newClassName += ' ';
        newClassName += a[i];
      }
    }
    element.className = newClassName;
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    var element = $(element);
    for (var i = 0; i < element.childNodes.length; i++) {
      var node = element.childNodes[i];
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        Element.remove(node);
    }
  }
});

var Toggle = new Object();
Toggle.display = Element.toggle;

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

Abstract.Insertion = function(adjacency) {
  this.adjacency = adjacency;
}

Abstract.Insertion.prototype = {
  initialize: function(element, content) {
    this.element = $(element);
    this.content = content;

    if (this.adjacency && this.element.insertAdjacentHTML) {
      this.element.insertAdjacentHTML(this.adjacency, this.content);
    } else {
      this.range = this.element.ownerDocument.createRange();
      if (this.initializeRange) this.initializeRange();
      this.fragment = this.range.createContextualFragment(this.content);
      this.insertContent();
    }
  }
}

var Insertion = new Object();

Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'),{
  initializeRange: function() {
    this.range.setStartBefore(this.element);
  },

  insertContent: function() {
    this.element.parentNode.insertBefore(this.fragment, this.element);
  }
});

Insertion.Top = Class.create();
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'),{
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(true);
  },

  insertContent: function() {
    this.element.insertBefore(this.fragment, this.element.firstChild);
  }
});

Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'),{
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(this.element);
  },

  insertContent: function() {
    this.element.appendChild(this.fragment);
  }
});

Insertion.After = Class.create();
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'),{
  initializeRange: function() {
    this.range.setStartAfter(this.element);
  },

  insertContent: function() {
    this.element.parentNode.insertBefore(this.fragment,
      this.element.nextSibling);
  }
});

var Field = {
  clear: function() {
    for (var i = 0; i < arguments.length; i++)
      $(arguments[i]).value = '';
  },

  focus: function(element) {
    $(element).focus();
  },

  //鍙湁鎵�鏈塮ield閮戒笉涓虹┖锛屾墠杩斿洖true
  present: function() {
    for (var i = 0; i < arguments.length; i++)
      if ($(arguments[i]).value == '') return false;
    return true;
  },
  //鍔犱寒閫変腑鐨勬枃鏈涓殑鏂囨湰
  select: function(element) {
    $(element).select();
  },

  activate: function(element) {
    $(element).focus();
    $(element).select();
  }
}

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

var Form = {
  serialize: function(form) {
    var elements = Form.getElements($(form));
    var queryComponents = new Array();

    for (var i = 0; i < elements.length; i++) {
      var queryComponent = Form.Element.serialize(elements[i]);
      if (queryComponent)
        queryComponents.push(queryComponent);
    }

    return queryComponents.join('&');
  },

  //寰楀埌鎵�鏈夌殑杈撳叆妗嗗厓绱狅紝鍖呮嫭select(浠巘ag鏉ョ湅灏辨槸input鍜宻elect)
  getElements: function(form) {
    var form = $(form);
    var elements = new Array();

    for (tagName in Form.Element.Serializers) {
      var tagElements = form.getElementsByTagName(tagName);  //瀹為檯灏辨槸鎯冲緱鍒癷nput鍜宻elect
      for (var j = 0; j < tagElements.length; j++)
        elements.push(tagElements[j]);
    }
    return elements;
  },

  //寰楀埌鎵�鏈塱nput绫诲瀷鐨勮緭鍏ユ鍏冪礌锛屽彲浠ョ敤type鍜宯ame鏉ヨ繃婊�

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

    if (!typeName && !name)
      return inputs;

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

    return matchingInputs;
  },

  disable: function(form) {
    var elements = Form.getElements(form);
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];
      element.blur();
      element.disabled = 'true';
    }
  },

  enable: function(form) {
    var elements = Form.getElements(form);
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];
      element.disabled = '';
    }
  },

  focusFirstElement: function(form) {
    var form = $(form);
    var elements = Form.getElements(form);
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];
      if (element.type != 'hidden' && !element.disabled) {
        Field.activate(element);
        break;
      }
    }
  },

  reset: function(form) {
    $(form).reset();
  }
}

//浠ame=value鐨勬柟寮忚繑鍥瀍lement鍊�

Form.Element = {
  serialize: function(element) {
    var element = $(element);
    var method = element.tagName.toLowerCase();
    var parameter = Form.Element.Serializers[method](element);

    if (parameter)
      return encodeURIComponent(parameter[0]) + '=' +
        encodeURIComponent(parameter[1]);
  },
//杩斿洖element鐨剉alue
  getValue: function(element) {
    var element = $(element);
    var method = element.tagName.toLowerCase();
    var parameter = Form.Element.Serializers[method](element);

    if (parameter)
      return parameter[1];
  }
}

Form.Element.Serializers = {
//浠name,value]鐨勬柟寮忚繑鍥瀍lement鍊�

  input: function(element) {
    switch (element.type.toLowerCase()) {
      case 'submit':
      case 'hidden':
      case 'password':
      case 'text':
        return Form.Element.Serializers.textarea(element);
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element);
    }
    return false;
  },

  inputSelector: function(element) {
    if (element.checked)
      return [element.name, element.value];
  },

  textarea: function(element) {
    return [element.name, element.value];
  },

  select: function(element) {
    var value = '';
    if (element.type == 'select-one') {
      var index = element.selectedIndex;
      if (index >= 0)
        value = element.options[index].value || element.options[index].text;
    } else {
      value = new Array();
      for (var i = 0; i < element.length; i++) {
        var opt = element.options[i];
        if (opt.selected)
          value.push(opt.value || opt.text);
      }
    }
//    alert(value);
    return [element.name, value];
  }
}

/* sunxf begin*/
var Select = {
clear:function(element){
  for (var i = 0; i < element.length; i++) {
     element.options[i] = null;
  }
},
selectNone:function(element){
  for (var i = 0; i < element.length; i++) {
     element.options[i].selected  = false;
  }
},
selectAll:function(element){
  for (var i = 0; i < element.length; i++) {
     element.options[i].selected  = true;
  }
},
serializeSelectedValue:function(element,name){
  var rtn = '';
  var start = true;
  for (var i = 0; i < element.length; i++) {
     var opt = element.options[i];
     if (opt.selected){
       if(start==false) rtn = rtn + '&';
       rtn = rtn + encodeURIComponent(name) + '=' + encodeURIComponent(element.options[i].value);
       start = false;
     }
  }
  return rtn;
},
serializeAllValue:function(element,name){
  var rtn = '';
  for (var i = 0; i < element.length; i++) {
     if(i!=0) rtn = rtn + '&';
     rtn = rtn + encodeURIComponent(name) + '=' + encodeURIComponent(element.options[i].value);
  }
  return rtn;
},
serializeAllText:function(element,name){
  var rtn = encodeURIComponent(name) + '=';
  var tmp = '';
  for (var i = 0; i < element.length; i++) {
     tmp = tmp + element.options[i].text + ';';
  }
  if(tmp!='') rtn = rtn + encodeURIComponent(tmp);
  return rtn;
},
serializeAllTextMulti:function(element,name){
  var rtn = '';
  for (var i = 0; i < element.length; i++) {
     if(i!=0) rtn = rtn + '&';
     rtn = rtn + encodeURIComponent(name) + '=' + encodeURIComponent(element.options[i].text);
  }
  return rtn;
}
}
/* sunxf end*/

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

var $F = Form.Element.getValue;

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

Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
  initialize: function(element, frequency, callback) {
    this.frequency = frequency;
    this.element   = $(element);
    this.callback  = callback;

    this.lastValue = this.getValue();
    this.registerCallback();
  },

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

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

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

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

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

Abstract.EventObserver = function() {}
Abstract.EventObserver.prototype = {
  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() {
    var elements = Form.getElements(this.element);
    for (var i = 0; i < elements.length; i++)
      this.registerCallback(elements[i]);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          element.target = this;
          element.prev_onclick = element.onclick || Prototype.emptyFunction;
          element.onclick = function() {
            this.prev_onclick();
            this.target.onElementEvent();
          }
          break;
        case 'password':
        case 'text':
        case 'textarea':
        case 'select-one':
        case 'select-multiple':
          element.target = this;
          element.prev_onchange = element.onchange || Prototype.emptyFunction;
          element.onchange = function() {
            this.prev_onchange();
            this.target.onElementEvent();
          }
          break;
      }
    }
  }
}

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

Form.EventObserver = Class.create();
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(),{
  getValue: function() {
    return Form.serialize(this.element);
  }
});


if (!window.Event) {
  var Event = new Object();
}

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,

  element: function(event) {
    return event.target || event.srcElement;
  },

  isLeftClick: function(event) {
    return (((event.which) && (event.which == 1)) ||
            ((event.button) && (event.button == 1)));
  },

  pointerX: function(event) {
    return event.pageX || (event.clientX +
      (document.documentElement.scrollLeft || document.body.scrollLeft));
  },

  pointerY: function(event) {
    return event.pageY || (event.clientY +
      (document.documentElement.scrollTop || document.body.scrollTop));
  },

  stop: function(event) {
    if (event.preventDefault) {
      event.preventDefault();
      event.stopPropagation();
    } else {
      event.returnValue = false;
    }
  },

  // find the first node with the given tagName, starting from the
  // node the event was triggered on; traverses the DOM upwards
  findElement: function(event, tagName) {
    var element = Event.element(event);
    while (element.parentNode && (!element.tagName ||
        (element.tagName.toUpperCase() != tagName.toUpperCase())))
      element = element.parentNode;
    return element;
  },

  observers: false,

  _observeAndCache: function(element, name, observer, useCapture) {
    if (!this.observers) this.observers = [];
    if (element.addEventListener) {
      this.observers.push([element, name, observer, useCapture]);
      element.addEventListener(name, observer, useCapture);
    } else if (element.attachEvent) {
      this.observers.push([element, name, observer, useCapture]);
      element.attachEvent('on' + name, observer);
    }
  },

  unloadCache: function() {
    if (!Event.observers) return;
    for (var i = 0; i < Event.observers.length; i++) {
      Event.stopObserving.apply(this, Event.observers[i]);
      Event.observers[i][0] = null;
    }
    Event.observers = false;
  },

/*
Event.observe(window, 'load', showMessage, false);  涓烘煇涓簨浠跺鍔犲鐞嗗嚱鏁�

*/
  observe: function(element, name, observer, useCapture) {
    var element = $(element);
    useCapture = useCapture || false;
    if (name == 'keypress' &&
       ((navigator.appVersion.indexOf('AppleWebKit') > 0)
        || element.attachEvent))
      name = 'keydown';
    this._observeAndCache(element, name, observer, useCapture);
  },

  stopObserving: function(element, name, observer, useCapture) {
    var element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
        ((navigator.appVersion.indexOf('AppleWebKit') > 0)
        || element.detachEvent))
      name = 'keydown';

    if (element.removeEventListener) {
      element.removeEventListener(name, observer, useCapture);
    } else if (element.detachEvent) {
      element.detachEvent('on' + name, observer);
    }
  }
});

/* prevent memory leaks in IE */
Event.observe(window, 'unload', Event.unloadCache, false);

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;
  },

  realOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return [valueL, valueT];
  },

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

  // 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 = this.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 = this.realOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = this.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;
  },

  clone: function(source, target) {
    source = $(source);
    target = $(target);
    target.style.position = 'absolute';
    var offsets = this.cumulativeOffset(source);
    target.style.top    = offsets[1] + 'px';
    target.style.left   = offsets[0] + 'px';
    target.style.width  = source.offsetWidth + 'px';
    target.style.height = source.offsetHeight + 'px';
  }
}
function getTextValue(text){
 d=document.getElementsByName(text);
 for(i=0;i<d.length;i++)
  return d[i].value;
}