var xmlHttp

function showRate(user,type,id,process,rate)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="showrating.php"
url=url+"?u="+user
url=url+"&t="+type
url=url+"&i="+id
url=url+"&p="+process
url=url+"&r="+rate
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("useful-holder").innerHTML=xmlHttp.responseText 
 } 
else {
 document.getElementById("useful-holder").innerHTML="<div align='center' style='padding:20px'><img src='../../images/smallImages/spinner.gif'></div>";
 }
}

function GetXmlHttpObject()
{
var xmlHttp=null;
    try {
        xmlHttp = new XMLHttpRequest;
    }
    catch(e) {
        var msxml = [
            'MSXML2.XMLHTTP.3.0',
            'MSXML2.XMLHTTP',
            'Microsoft.XMLHTTP'
        ];
        for ( var i=0, len = msxml.length; i < len; ++i ) {
            try {
                xmlHttp = new ActiveXObject(msxml[i]);
                break;
            }
            catch(e) {}
        }
    } 
return xmlHttp;
}