/*
@url:i首页切换
*/
var timer;
function LoadDiv()
{
	//检测计时器，如有则清除
	stopDiv();
	//判断是否有模版标签，没有就不执行了
	//创建计时器
	timer=window.setInterval("picwent();",2000)//每两秒切换一次
}
function stopDiv()
{
    if(timer != null)
    {
        window.clearInterval(timer);
	    timer=null;
    }
}
function picfocus(index)
{
    stopDiv();
    for(var i=1;i<5;i++)
    {
        document.getElementById("linka"+i).className="fy";
    }
    var objhref=document.getElementById("linka"+index);
    var objimg=document.getElementById("imgAd");
    objhref.className="fyt";
    objimg.src=objhref.getAttribute("tag");
	objimg.setAttribute("tag",index);
}
function picwent()
{
    //左移动
    var objimg=document.getElementById("imgAd");
	var vindex=parseInt(objimg.getAttribute("tag"));
	if(vindex<4)
	{
		document.getElementById("linka"+vindex).className="fy";++vindex;
		document.getElementById("linka"+vindex).className="fyt";
		objimg.src=document.getElementById("linka"+vindex).getAttribute("tag");
		objimg.setAttribute("tag",vindex);
	}
	else
	{
		//最后一张了 跳转到第一张onload="LoadDiv();"
		document.getElementById("linka4").className="fy";
		document.getElementById("linka1").className="fyt";
		objimg.src=document.getElementById("linka1").getAttribute("tag");
		objimg.setAttribute("tag","1");
	}
}
/*联系QQ*/
function seetop()
{
    var utemp=document.getElementById("navb");
    var left=calculateOffsetLeft(utemp)+5;
    var oNav=document.getElementById("totop");
    oNav['style']['left']=left + "px";
    oNav['style']['display']="block";
}
/*获取绝对位置*/
function calculateOffsetTop(field)
{
    return calculateOffset(field,"offsetTop");
}
function calculateOffsetLeft(field)
{
    return calculateOffset(field,"offsetLeft");
}
function calculateOffset(field, attr)
{
    var offset = 0;
    while(field){
    offset += field[attr]; 
    field = field.offsetParent;
    }
    return offset;
}

/*导航选定*/
function SetNavClick(num)
{
    var menu=document.getElementById("wm"+num);
    menu.className="nvaclicked";
}

/*QQ*/
function getQQList() {
    var url = "Ajax/Ajax_QQOp.aspx";
    var params = "op=0";
    try {
        xmlhttp_set = new Xmopen();
        var showDone = function(oXML) { getQQListAB(oXML.responseText); };
        xmlhttp_set.loaded(url, "POST", params, showDone);
    }
    catch (e) { }
}
function getQQListAB(result) {
    document.getElementById("QQDiv").innerHTML = result;
}

function Xmopen() {
    var xmlhttp, bComplete = false;
    try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
    catch (e) {
        try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
        catch (e) {
            try { xmlhttp = new XMLHttpRequest(); }
            catch (e) { xmlhttp = false; }
        }
    }
    if (!xmlhttp) return null;
    this.loaded = function(sURL, sMethod, sVars, fnDone) {
        if (!xmlhttp) return false;
        bComplete = false;
        sMethod = sMethod.toUpperCase();

        try {
            if (sMethod == "GET") {
                xmlhttp.open(sMethod, sURL + "?" + sVars, true);
                sVars = "";
            }
            else {
                xmlhttp.open(sMethod, sURL, true);
                xmlhttp.setRequestHeader("Method", "POST " + sURL + " HTTP/1.1");
                xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
            }
            xmlhttp.onreadystatechange = function() {
                if (xmlhttp.readyState == 4 && !bComplete) {
                    bComplete = true;
                    fnDone(xmlhttp);
                }
            };
            xmlhttp.send(sVars);
        }
        catch (z) { return false; }
        return true;
    };
    return this;
}

function goPro(obj) {
    //左移动
    var objimg = obj;
    var vindex = parseInt(objimg.getAttribute("tag"));
    var link = document.getElementById("linka" + vindex).getAttribute("link");
    window.location = "ProDetail.aspx?id=" + link;
}
function goSearchPro() {
    var url = "";
    var tobj = document.getElementById("ddlPType");
    var tid = tobj.options[tobj.selectedIndex].value;
    if (tid != "-1") {
        url = "?tid=" + tid;
    }
    var pname = document.getElementById("txtProName").value;
    if (pname.trim() != "") {
        if (url == "") {
            url = "?pname=" + escape(pname);
        }
        else {
            url = url + "&pname=" + escape(pname);
        }
    }
    window.location = "Product.aspx" + url;
}