/**
* 如果数组没有push方法，为数组添加push方法
*/
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
	}
};

/**
* 将一个方法绑定到一个对象 返回预先绑定在拥有该方法的对象上的方法实例， 返回的方法将和原来的方法具有相同的参数。
*/
Function.prototype.bind = function() {
  var __method = this, args = $A(arguments), object = args.shift();
  return function() {
    return __method.apply(object, args.concat($A(arguments)));
  }
}

/**
* 返回预先绑定在拥有该方法的对象上的函数实例， 返回的方法将把当前的事件对象作为它的参数。
*/
Function.prototype.bindAsEventListener = function(object) {
  var __method = this;
  return function(event) {
    return __method.call(object, event || window.event);
  }
}

/**
* Aebiz对象
* Version: 版本
* create方法 : 创建一个类
* extend方法 : 对象继承
*/
var Aebiz = {
	version: 'v_1.01',
	pool: [],
	set: function(name , value){
		Aebiz.pool[name] = value;
	},

	get: function(name){
		return Aebiz.pool[name];
	},

	create: function() {
    return function() {
      this.init.apply(this, arguments);
    }
  },

	R: function(x) {
		return x
	},

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

Aebiz.Util = {
	each: function(iterator) {
    var index = 0;
    try {
      this._each(function(value) {
        try {
          iterator(value, index++);
        } catch (e) {
          throw e;
        }
      });
    } catch (e) {
      throw e;
    }
  },

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

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

  include: function(object) {
    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
      }
    });
    return found;
  },

  toArray: function() {
    return this.collect(Aebiz.R);
  }
}

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

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

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

Aebiz.extend(Event, {

/**
* 返回引发这个事件的元素
*/
  element: function(event) {
    return event.target || event.srcElement;
  },

/**
* 如果鼠标左键单击返回true
*/
  isLeftClick: function(event) {
    return (((event.which) && (event.which == 1)) ||
            ((event.button) && (event.button == 1)));
  },

/** 
* 返回在页面上x坐标
*/
  pointerX: function(event) {
    return event.pageX || (event.clientX +
      (document.documentElement.scrollLeft || document.body.scrollLeft));
  },

/** 
* 返回在页面上y坐标
*/
  pointerY: function(event) {
    return event.pageY || (event.clientY +
      (document.documentElement.scrollTop || document.body.scrollTop));
  },

/** 
* 停止冒泡和阻止浏览器执行与事件相关的默认动作 
*/
  stop: function(event) {
    if (event.preventDefault) {
      event.preventDefault();
      event.stopPropagation();
    } else {
      event.returnValue = false;
      event.cancelBubble = true;
    }
  },

/** 
* 找到事件元素的父级元素中，最接近事件元素且等同于指定标签名的父元素。 
*/
  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,

/**
* 私有方法
*/
  _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);
    }
  },

/**
* 私有方法
*/
  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;
  },

/** 
* 加入一个处理事件的方法
*/
  observe: function(element, name, observer, useCapture) {
    var element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
        || element.attachEvent))
      name = 'keydown';

    this._observeAndCache(element, name, observer, useCapture);
  },

/** 
* 删除一个处理事件的方法。 
*/
  stopObserving: function(element, name, observer, useCapture) {
    var element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
        || element.detachEvent))
      name = 'keydown';

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

/** 
* 页面onload 的时候取消所有事件注册，避免ie内存泄漏的bug 
*/
if (navigator.appVersion.match(/\bMSIE\b/))
	Event.observe(window, 'unload', Event.unloadCache, false);


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

/**
* Element 是一个工具，主要用来 隐藏/显示/销除 对象，以及获取对象的简单属性。
*/
if (!window.Element)
  var Element = new Object();

Element.extend = function(element) {
  if (!element) return;
  if (_nativeExtensions) return element;
  if (!element._extended && element.tagName && element != window) {
    var methods = Element.Methods, cache = Element.extend.cache;
    for (property in methods) {
      var value = methods[property];
      if (typeof value == 'function')
        element[property] = cache.findOrStore(value);
    }
  }

  element._extended = true;
  return element;
}

Element.extend.cache = {
  findOrStore: function(value) {
    return this[value] = this[value] || function() {
      return value.apply(null, [this].concat($A(arguments)));
    }
  }
}

Element.Methods = {
	
/** 
* 如果隐藏返回false;
*/
  visible: function(element) {
    return $(element).style.display != 'none';
  },

/** 
* 切换
*/ 
  toggle: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      Element[Element.visible(element) ? 'hide' : 'show'](element);
    }
  },

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

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

/** 
* 从父节点中移除 
*/
  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
  },

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

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

/** 
* 是否拥有 class 属性值 
*/
  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element.classNames(element).include(className);
  },

/** 
* 为对象添加 class 属性值 
*/
  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element.classNames(element).add(className);
  },

/** 
* 为对象移除 class 属性值 
*/
  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element.classNames(element).remove(className);
  },

  cleanWhitespace: function(element) {
    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);
    }
  },

  empty: function(element) {
    return $(element).innerHTML.match(/^\s*$/);
  },

  childOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    while (element = element.parentNode)
      if (element == ancestor) return true;
    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var x = element.x ? element.x : element.offsetLeft,
        y = element.y ? element.y : element.offsetTop;
    window.scrollTo(x, y);
  },

  getStyle: function(element, style) {
    element = $(element);
    var value = element.style[style.camelize()];
    if (!value) {
      if (document.defaultView && document.defaultView.getComputedStyle) {
        var css = document.defaultView.getComputedStyle(element, null);
        value = css ? css.getPropertyValue(style) : null;
      } else if (element.currentStyle) {
        value = element.currentStyle[style.camelize()];
      }
    }

    if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
      if (Element.getStyle(element, 'position') == 'static') value = 'auto';

    return value == 'auto' ? null : value;
  },

  setStyle: function(element, style) {
    element = $(element);
    for (var name in style)
      element.style[name.camelize()] = style[name];
  },

  getDimensions: function(element) {
    element = $(element);
    if (Element.getStyle(element, 'display') != 'none')
      return {width: element.offsetWidth, height: element.offsetHeight};
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = '';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = 'none';
    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';
      if (window.opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
  },

  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 = '';
    }
  },

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

  undoClipping: function(element) {
    element = $(element);
    if (element._overflow) return;
    element.style.overflow = element._overflow;
    element._overflow = undefined;
  }
}

Aebiz.extend(Element, Element.Methods);

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

  _each: function(iterator) {
    this.element.className.split(/\s+/).findAll(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(this.toArray().concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set(this.findAll(function(className) {
      return className != classNameToRemove;
    }).join(' '));
  },

  toString: function() {
    return this.toArray().join(' ');
  }
}
Aebiz.extend(Element.ClassNames.prototype, Aebiz.Util);

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

/** 
* 表单工具类 
*/
var Form = {

/**
* 将表单元素序列化后的值(其实就是 name=value 形式的名值配对)组合成 QueryString 的形式
*/
  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('&');
  },

/**
* 得到表单的所有元素对象
*/
  getElements: function(form) {
    form = $(form);
    var elements = new Array();

    for (var tagName in Form.Element.Serializers) {
      var tagElements = form.getElementsByTagName(tagName);
      for (var j = 0; j < tagElements.length; j++)
        elements.push(tagElements[j]);
    }
    return elements;
  },

/** 
* 根据 type 和 name 过滤得到表单中符合的 <input> 对象 
*/
  getInputs: function(form, typeName, name) {
    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;
  },

/** 
* 将指定表单的元素置于不可用状态 
*/
  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';
    }
  },

/** 
* 将指定表单的元素置于可用状态 
*/
  enable: function(form) {
    var elements = Form.getElements(form);
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];
      element.disabled = '';
    }
  },

/** 
* 重置表单 
*/
  reset: function(form) {
    $(form).reset();
  },
  
  getXml : function(form){
		var formElements = Form.getElements(form);
		var returnXml = "<"+form+">";
		for(var i=formElements.length-1; i>=0; --i ){
			if(formElements[i].type == "checkbox" || formElements[i].type == "radio"){
				if(formElements[i].checked){
					returnXml+="<"
					+ formElements[i].name +">"
					+escape(formElements[i].value)+"</"
					+ formElements[i].name +">";
				}
			}else{
				returnXml+="<"
				+ formElements[i].name +">"
				+escape(formElements[i].value)+"</"
				+ formElements[i].name +">";
			}
		}
		returnXml += "</"+form+">";
		return  returnXml;
	}
}

/** 
* 表单元素工具类 
*/
Form.Element = {

/** 
* 返回表单元素的值先序列化, 其实就是 name=value 形式的名值配对 
*/
  serialize: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    var parameter = Form.Element.Serializers[method](element);

    if (parameter) {
      var key = encodeURIComponent(parameter[0]);
      if (key.length == 0) return;

      if (parameter[1].constructor != Array)
        parameter[1] = [parameter[1]];

			return parameter[1].collect(function(value) {
        return key + '=' + encodeURIComponent(value);
      }).join('&');
    }
  },

/** 
* 返回表单元素的值 
*/
  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    var parameter = Form.Element.Serializers[method](element);

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

/** 
* prototype 的所谓序列化其实就是将表单的名字和值组合成一个数组 
*/ 
Form.Element.Serializers = {
  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;
  },

/** 
* 单/多选框 由此方法处理序列化 
*/
  inputSelector: function(element) {
    if (element.checked)
      return [element.name, element.value];
  },

/** 
* textarea 由此方法处理序列化 
*/
  textarea: function(element) {
    return [element.name, element.value];
  },

/**
* select 下拉列表由此方法处理序列化 
*/
  select: function(element) {
    return Form.Element.Serializers[element.type == 'select-one' ?
      'selectOne' : 'selectMany'](element);
  },

  selectOne: function(element) {
    var value = '', opt, index = element.selectedIndex;
    if (index >= 0) {
      opt = element.options[index];
      value = opt.value || opt.text;
    }
    return [element.name, value];
  },

  selectMany: function(element) {
    var value = [];
    for (var i = 0; i < element.length; i++) {
      var opt = element.options[i];
      if (opt.selected)
        value.push(opt.value || opt.text);
    }
    return [element.name, value];
  }
}

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

/**
* Ajax对象
*/
var Ajax = {

/**
* 私有方法
*/
	request : function(){
		if (window.XMLHttpRequest){
    	return new XMLHttpRequest();
    }
		else{
			var MSXML = ['MSXML2.XMLHTTP.5.0', 'MSXML2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP'];
		  for(var n = 0; n < MSXML.length; n ++){
				try
			  	{
			    	return new ActiveXObject(MSXML[n]);
			    }
			  catch(e){
			  	return false;
			  }
		  }
		}
	},

/**
* 私有方法
*/
	response : function(ajax){
		return function(){
			if(ajax.req.readyState == 4){
				if(ajax.req.status == 200){
					ajax.config.text = ajax.req.responseText;
					ajax.config.xml = ajax.req.responseXML;
					if(ajax.config.sync)ajax.config.callback();
				}else{
					ajax.config.status = 'error';
				}
				ajax.req = null;
				ajax = null;
			}
		};
	},

/**
* 私有方法
*/
	send : function(ajax){
		ajax.req = Ajax.request();
		if(!ajax.req)return;

		ajax.req.onreadystatechange = Ajax.response(ajax);
		ajax.req.open(ajax.config.method, ajax.config.url, ajax.config.sync);

		if(ajax.config.method == 'POST'){
			if(ajax.config.sendType == 'STRING'){
				ajax.req.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
			}else{
				ajax.req.setRequestHeader("Content-Type", "text/xml");
				ajax.req.setRequestHeader("charset", "GBK");
			}
		}

		if(ajax.config.cache){
			if (window.ActiveXObject) {
				ajax.req.setRequestHeader("If-Modified-Since", "0");
	 		}
		}
		ajax.req.send(ajax.config.data);
	},

/**
* Ajax.show
*/
	show : function(obj)
	{
		Ajax.send({
			config : {
				method: obj['method'] || 'GET',
				sync: obj['sync'] || true,
				url: obj['url'] || '',
				data: obj['data'] || '',
				sendType: obj['sendType'] || 'STRING',
				cache: obj['cache'] || false,
				callback: obj['callback'] || function(){},
				state: 0,
				status: '',
				text: '',
				xml: null
			}
		});
	}
}
/**
* Ajax.Class类
*/
Ajax.Class = Aebiz.create();
Ajax.Class.prototype = {
	init:function(config){
		this.config = Aebiz.extend(
		{
			method:'GET',
			sync:true,
			url:'',
			data:'',
			sendType:'String',
			cache:false,
			callback: function(){},
			state: 0,
			status: '',
			text: '',
			xml: null
		},
		config||{}
		);
		Ajax.send(this);
	}
}

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

/**
* $('id') 返回getElementById对象
* $(element) 返回element对象
* $('id1','id2','id3') 返回3个element数组
*/
function $()
{
	var elements=new Array();
	for(var i = 0; i < arguments.length; i++)
	{
		var element=arguments[i];
		if(typeof element=='string')
			element=document.getElementById(element);
		if(arguments.length==1)
			return element;
			elements.push(element)
	};
	return elements
};

/**
* 把接收到的参数转换成一个Array对象
*/
var $A = function(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) {
    return iterable.toArray();
  } else {
    var results = [];
    for (var i = 0; i < iterable.length; i++)
      results.push(iterable[i]);
    return results;
  }
}

/** 
* 根据 class attribute 的名字得到对象数组
*/
var $C = function(className, parentElement) {
  var children = ($(parentElement) || document.body).getElementsByTagName('*');
	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;
}

/**
* 返回任何输入表单控件的值
*/
var $F = Form.Element.getValue;

if(!refresh){
	var	refresh = function ()
	{
		this.location = this.location;
	}
}