function Ajax(url,recvT,stringS,resultF) {
    this.url = url;
    this.stringS = stringS;
    this.xmlHttp = this.createXMLHttpRequest();
    if (this.xmlHttp == null) {
        document.getElementById("FlashPlayer").innerHTML="请使用支持AJAX的浏览器!";
        
        return;
    }
    var objxml = this.xmlHttp;
    objxml.onreadystatechange = function (){Ajax.handleStateChange(objxml,recvT,resultF)};
}

Ajax.prototype.createXMLHttpRequest = function() {
    try { return new ActiveXObject("Msxml2.XMLHTTP");    } catch(e) {}
    try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {}
    try { return new XMLHttpRequest();                   } catch(e) {}
    return null;
}

Ajax.prototype.createQueryString = function () {
    var queryString = this.stringS;
    return queryString;
}

Ajax.prototype.get = function () {
    url = this.url;
    var queryString = url+"?timeStamp=" + new Date().getTime() + "&" + this.createQueryString();
    this.xmlHttp.open("GET",queryString,true);
    this.xmlHttp.send(null);
}

Ajax.prototype.post = function() {
    url = this.url;
    var url = url + "?timeStamp=" + new Date().getTime();
    var queryString = this.createQueryString();
    this.xmlHttp.open("POST",url,true);
    this.xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
    this.xmlHttp.send(queryString);
}
    
Ajax.handleStateChange = function (xmlHttp,recvT,resultF) {
    if (xmlHttp.readyState == 4) {
        if (xmlHttp.status == 200) {
        resultF(xmlHttp);
        //resultF(recvT?xmlHttp.responseXML:xmlHttp.responseText);
        } else {
        document.getElementById("FlashPlayer").innerHTML="提交数据是发生异常请重试!";
        }
    }
}

function getFlash()
{
	var Ajax1 = new Ajax("/AJAX.aspx",1,"t=flash",retFlash);
    Ajax1.post();
}
function retFlash(v){
	if (v.responseText != '') {
		var msg = v.responseText;
		if (msg != "") {
			document.getElementById("FlashPlayer").innerHTML = msg;
		}
		else {
			document.getElementById("FlashPlayer").innerHTML = "载入超时...";
		}
	}
}
//展会视频
function getFairFlash()
{
	var Ajax1 = new Ajax("/AJAX.aspx",1,"t=fairflv",retFairFlash);
    Ajax1.post();
}
function retFairFlash(v){
	if (v.responseText != '') {
		var msg = v.responseText;
		if (msg != "") {
			document.getElementById("fairflv").innerHTML = msg;
		}
		else {
			document.getElementById("fairflv").innerHTML = "载入超时...";
		}
	}
}
//搜索下拉列表
function getSeachType(selected)
{
    var ajaxt=new Ajax("/AJAX.aspx",1,"t=s&selected="+escape(selected),retSeach);
    ajaxt.post();
}
function retSeach(v)
{
    if(v.responseText != ''){
        var msg=v.responseText;
        if(msg!="")
        {
            document.getElementById("Seachs").innerHTML = msg;
        }
        else
        {
            document.getElementById("Seachs").innerHTML = "<select id=\"Seachs\" name=\"Seachs\" class=\"leib\"><option value=\"\">所有分类</option><option value=\"数码产品\">数码产品</option><option value=\"汽车\">汽车</option><option value=\"电子\">电子</option><option value=\"家电\">家电</option><option value=\"电脑\">电脑</option><option value=\"手机\">手机</option><option value=\"灯具\">灯具</option><option value=\"行业设备\">行业设备</option><option value=\"机械\">机械</option><option value=\"电工\">电工</option><option value=\"安防\">安防</option><option value=\"建材\">建材</option><option value=\"印刷\">印刷</option><option value=\"纺织\">纺织</option><option value=\"五金工具\">五金工具</option><option value=\"仪器仪表\">仪器仪表</option><option value=\"冶金\">冶金</option><option value=\"塑料\">塑料</option><option value=\"化工\">化工</option><option value=\"能源\">能源</option><option value=\"医药\">医药</option><option value=\"食品\">食品</option><option value=\"运动休闲\">运动休闲</option><option value=\"家居\">家居</option><option value=\"服装\">服装</option><option value=\"皮革\">皮革</option><option value=\"饰品\">饰品</option><option value=\"玩具\">玩具</option><option value=\"纸\">纸</option><option value=\"办公文教\">办公文教</option></select>";
        }
    }
}