// JavaScript Document
function GetE(t1) {
	return document.getElementById(t1);
}

function GetN(t1) {
	return document.getElementsByName(t1);
}

function OutStr(t1,t2) {
	if (GetE(t1))
	{
		setInnerHTML(GetE(t1),t2);
	}
}
function SetMenu(value,type)
{
	if(type==1){
		GetE('mzid').value=value;
	}
	if(type==2){
		GetE('mcid').value=value;
	}
}
var oDiv="center"
var historyNo=0;
var xmlHttp = false;
function createXmlHttpRequest() 
	{
		xmlHttp = false;
		//始始XMLHttpRequest
		if(window.XMLHttpRequest)
			{ //Mozilla 
				xmlHttp = new XMLHttpRequest();
				if (xmlHttp.overrideMimeType)
					{//MiME
						xmlHttp.overrideMimeType('text/html');
					}
  		}
		else if (window.ActiveXObject) 
			{ // IE
				try {
								xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
						} 
				catch (e)
				{
					try {
									xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
							} 
					catch (e) {}
				}
			}
		//return xmlHttp;
		if (!xmlHttp) 
		{ // 斐Ｊ凳?
			window.alert("创建XMLHttpRequest对象失败!");
			return false;
		}
  }
function createQueryString(type,page,obj)
{
	var strQuery="";
	if (type==1){
		strQuery="mzid="+GetE('mzid').value;
	}
 if(type==2||type==0){
		strQuery="mzid="+GetE('mzid').value+"&mcid="+GetE('mcid').value+"&dotype="+type;
 }
 if(type==3){
		strQuery="mzid="+GetE('mzid').value+"&mcid="+GetE('mcid').value+"&page="+page+"&strSearch="+GetE('strSearch').value+"&dotype="+type;
 }
 if(type==4){
		strQuery="mzid="+GetE('mzid').value+"&mcid="+GetE('mcid').value+"&page="+page+"&dotype=2";//+type
		for(var i=0;i<obj.elements.length;i++)
		{
			strQuery=strQuery+"&"+obj.elements[i].name+"="+obj.elements[i].value;
		}
 }
	return strQuery;
}
function doRequest(mid,type,page,id,obj)
{
	//oDiv=id;
	SetMenu(mid,type);
	strQuery=createQueryString(type,page,obj);
	//alert(strQuery);
	addHistoryItem(id,strQuery);
	xmlSend(id,strQuery);
}
function xmlSend(Div,strQuery)
{
	createXmlHttpRequest();
	var url="/center.asp?timeStamp="+new Date().getTime();
	oDiv=Div;
	OutStr(Div,"<img src=/images/indicator_medium.gif /><br /><br />正在装载数据,请等待..." );
	xmlHttp.open("POST",url,true);
	xmlHttp.onreadystatechange=handleStateChange;
	xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	xmlHttp.send(strQuery);
}
function addHistoryItem(Div,strQuery)
{
	historyNo+=1;
	var historyItem=new Object();
	historyItem.divID=Div;
	historyItem.strQuery=strQuery;
	dhtmlHistory.add("bookmark:"+historyNo,historyItem);
	//historyStorage.put("bookmark:"+historyNo,historyItem);
	//alert(dhtmlHistory.getCurrentLocation()+historyStorage.hasKey(dhtmlHistory.getCurrentLocation())+historyStorage.get(dhtmlHistory.getCurrentLocation())+historyStorage.get("bookmark:"+historyNo)+historyStorage.get("bookmark:1"));
}
function handleStateChange()
{
	if (xmlHttp.readyState==4){
		if(xmlHttp.status==200){
			OutStr(oDiv,xmlHttp.responseText);
		}
		else
		{
			//alert(xmlHttp.responseText);
			OutStr(oDiv,"抱歉!装载失败.原因:" +xmlHttp.statusText); 
		}
	}
}
function fgpage(mzid,mcid,type){
	document.body.scrollTop=0;
	if (type==1){
		doRequest(mzid,1,1,"center");
	}
	if (type==0){
		SetMenu(mzid,1);
		SetMenu(mcid,2);
		doRequest(0,0,1,"center");
	}
}
////////////////////////////////////////////////////////
/*
 * 描述：跨浏览器的设置 innerHTML 方法
 *       允许插入的 HTML 代码中包含 script 和 style
 * 作者：kenxu <kenxu at ajaxwing dot com>
 * 日期：2006-09-01
 * 参数：
 *    el: 合法的 DOM 树中的节点
 *    htmlCode: 合法的 HTML 代码
 * 经测试的浏览器：ie5+, firefox1.5+, opera8.5+
 */
var setInnerHTML = function (el, htmlCode) {
    var ua = navigator.userAgent.toLowerCase();
    if (ua.indexOf('msie') >= 0 && ua.indexOf('opera') < 0) {
        htmlCode = '<div style="display:none">for IE</div>' + htmlCode;
        htmlCode = htmlCode.replace(/<script([^>]*)>/gi,'<script$1 defer>');
        el.innerHTML = '';
        el.innerHTML = htmlCode;
        el.removeChild(el.firstChild);
    } else {
        var el_next = el.nextSibling;
        var el_parent = el.parentNode;
        el_parent.removeChild(el);
        el.innerHTML = htmlCode;
        if (el_next) {
            el_parent.insertBefore(el, el_next)
        } else {
            el_parent.appendChild(el);
        }
    }
}