var loadtext="<div class=\"loading\"><img src=\"/images/loading.gif\" align=\"absmiddle\" />&nbsp;&nbsp;正在载入数据...</div>"
    var xmlHttp = false;
    function CreatXMLHttp()
    {
        try 
        {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        } 
        catch (e) 
        {
            try 
            {
                xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
            } 
            catch (e2) 
            {
                xmlHttp = false;
            }
        }
        if (!xmlHttp && typeof XMLHttpRequest != 'undefined')
        {
            xmlHttp = new XMLHttpRequest();
        }
    }
    
    function startHTTP(s)
    {
        CreatXMLHttp();
        var url = "/include/gyqg.aspx?type="+s;
        xmlHttp.open("GET", url, true);
        xmlHttp.onreadystatechange = callBack;
        xmlHttp.send(null);      
    }

    function callBack()
    {
        var context=document.getElementById("gyqg");
        context.innerHTML=loadtext;
        if (xmlHttp.readyState == 4)
        {
            var data = xmlHttp.responseText;
            context.innerHTML=data;
        }
        else
        {
            context.innerHTML=loadtext;
        }
        
    }  

    function ShowLoading()
    {
        var context=document.getElementById("gyqg");
        context.innerHTML=loadtext;
        timer=setInterval("callBack()",0);
    }