function Request(strName)  

{  

var strHref =document.location.href;  

var intPos = strHref.indexOf("?");  

var strRight = strHref.substr(intPos + 1);  

   

var arrTmp = strRight.split("&");  

for(var i = 0; i < arrTmp.length; i++)  

{  

var arrTemp = arrTmp[i].split("=");  

   

if(arrTemp[0].toUpperCase() == strName.toUpperCase()) return arrTemp[1];  

}  

return "";  

}