// JScript 文件

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;
}

//------------------------------------------------------------------------------------------
//封装XMLHTTP的Request类的代码 
var Request = new Object();
//定义一个XMLHTTP的数组
Request.reqList = [];
//创建一个XMLHTTP对象，兼容不同的浏览器
function getAjax()
{
	var ajax=false;
	try{
		ajax = new ActiveXObject("Msxml2.XMLHTTP");
	}catch(e){
		try{
			ajax = new ActiveXObject("Microsoft.XMLHTTP");
		}catch(E){
			ajax = false;
		}
	}
    if(!ajax && typeof XMLHttpRequest!='undefined'){
		ajax = new XMLHttpRequest();
	}
	return ajax;
}
//封装XMLHTTP向服务器发送请求的操作
//url:向服务器请求的路径；method：请求的方法，即是GET还是POST；callback：当服务器成功返回结果时，调用的函数
//data：向服务器请求时附带的数据；urlencoded：url是否编码；callback2;当服务器返回错误时调用的函数
Request.send = function(url, method, callback, data, urlencoded, callback2,date2){
	var req = getAjax();  //得到一个XMLHTTP的实例
	//当XMLHTTP的请求状态发生改变时调用
	req.onreadystatechange = function(){
		// 当请求已经加载
		if(req.readyState == 4){
			// 当请求返回成功
			if (req.status == 200){
				// 当定义了成功回调函数时，执行成功回调函数
				if(callback){
					callback(req,data,date2);
				}
			}
			// 当请求返回错误
			else{
			    if(req.status == "500" || req.status == "12029" || req.status == "12007" || req.status == "12031" || req.status == "12002"){
			    
			    }else{
				    alert("当加载数据时发生错误 :\n" + req.status+ "/" + req.statusText);
			    }
				//当定义了失败回调函数时，执行失败回调函数
				if (callback2){
					callback2(req,data,date2);
				}
			}
			//服务器已经进行了处理，更改界面提示信息
			afterLoading();
			//删除XMLHTTP，释放资源
			try {
				delete req;
				req = null;
			}catch(e){}
		}
	}
	//如果以POST方式回发服务器
	if (method=="POST")
	 {
		req.open("POST", url, true);
		//请求需要编码
		if (urlencoded){
		    req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		}
		req.send(data);
		Request.reqList.push(req);
	}
	//以GET方式请求
	else{
		req.open("GET", url, true);
		req.send(null);
		Request.reqList.push(req);
	}
	//正在向服务器发送请求，页面显示正在加载的提示
	loading();
	return req;
}
//全部清除XMLHTTP数组元素，释放资源
Request.clearReqList = function() 
{
	var ln = Request.reqList.length;
	for (var i=0; i<ln; i++) {
		var req = Request.reqList[i];
		if (req){
			try {
				delete req;
			}catch(e){}
		}
	}
	Request.reqList = [];
}
//进一步封装XMLHTTP以POST方式发送请求时的代码
//clear：是否清除XMLHTTP数组的所有元素；其他参数的意义参见Request.send
Request.sendPOST = function(url, callback, callback2,date) 
{
     var clear = true;
	if (clear){
		Request.clearReqList();
	}
	Request.send(url, "POST", callback, date, true, callback2);
}
//进一步封装XMLHTTP以GET方式发送请求时的代码
Request.sendGET = function(url, callback, callback2,date,date2) 
{
    var clear = true;
	if (clear){
		Request.clearReqList();
	}
	return Request.send(url, "GET", callback, date, true, callback2,date2);
}
//向服务器发送请求过程中，显示页面加载提示
function loading()
{
	var div = $("loadingflag");
	if(div){
		div.style.display ="";
	}
}
//服务器处理完成后，页面加载提示消失
function afterLoading()
{
	var div = $("loadingflag");
	if(div){
		div.style.display ="none";
	}
}








var Page = function(pageSize){
    this.pageCount;
    this.pageSize = pageSize==null ? 12 : pageSize;
    this.pageIndex = 1;
    this.count;
}
Page.prototype={
    PageTo:function(pageIndex){
        var page = Page;
        page.pageIndex = pageIndex;
    }
}



function $(id){
    return document.getElementById(id);
}

var $A = function (a) {   
//转换数组   
	return a ? Array.apply(null, a) : new Array;   
};
		  
Function.prototype.bind = function () {   
//绑定事件   
	var wc = this, a = $A(arguments), o = a.shift();   
	return function () {   
		wc.apply(o, a.concat($A(arguments)));   
	};   
};