// JScript 文件 
function createXMLHttpRequest()   
{   
    var xmlrequest; 
    //对于Firefox和Opera等浏览器   
    if (window.XMLHttpRequest) 
    {   
       xmlrequest = new XMLHttpRequest();   
    }   
    else //对于IE浏览器   
    {   
        //将IE的不同XMLHttp实现声明数组   
        var MSXML=['Msxml2.XMLHTTP.7.0','Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP'];   
        //依次对每个XMLHTTP实现创建XMLHttpRequest对象   
        for(var i=0;i<MSXML.length;i++)   
        {   
            try  
            {   
                xmlrequest=new ActiveXObject(MSXML[i]);   
                break;   
            }   
            catch (ex) 
            {   
            }   
        }   
    }   
    return xmlrequest;
}  

function DisplayDoyouknow(DivCtrl, Step)
{
    var xmlrequest = createXMLHttpRequest()   
    var content = "";
    var strStep = "";
    var strRet = "";
    var url = "DisplayDoyouknow.aspx";
    for (var i = 0; i < Step; i++)
        strStep = "../" + strStep;
    url = strStep + url;
    xmlrequest.open('POST', url, true);
    xmlrequest.setRequestHeader("Content-Length", content.length);
    xmlrequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    xmlrequest.onreadystatechange=function()
    {
       if(xmlrequest.readyState==4)
       {
           if(xmlrequest.status==200)
           {
                strRet = xmlrequest.responseText;
                strRet = strRet.replace("[Step]", strStep);
                strRet = strRet.replace("[Step]", strStep);
                document.getElementById(DivCtrl).innerHTML = strRet;
           }
        }
    }
    xmlrequest.send(null);
}