var xmlHttp;
function createXMLHttpRequest() 
{
    if (window.ActiveXObject) 
    {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    } 
    else if (window.XMLHttpRequest) 
    {
        xmlHttp = new XMLHttpRequest();
    }
}

function startRequest() 
{
if(document.orfrm.email.value.indexOf('@')==-1 || document.orfrm.email.value.indexOf('.')==-1){
	alert("Please enter valid email address.");
	document.orfrm.email.focus();
	return false;
}else{
    document.getElementById("loadingImage").innerHTML="<img src='../../../rnews/images/loading.gif'>"; // Added to display loading gif
    //debugger;
    var stateIdV=document.getElementById("email"); 
    createXMLHttpRequest();
    xmlHttp.onreadystatechange = handleStateChange;
    xmlHttp.open("GET", "../../../rnews/checkemail.php?ue="+stateIdV.value, true);
    xmlHttp.setRequestHeader( "If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT" ); 
    xmlHttp.send(null);
	return false;
}
}

function handleStateChange() 
{
    if(xmlHttp.readyState == 4) 
    {
        if(xmlHttp.status == 200) 
        {
	    var varChecked="";
	    var finalResponse = "";

            //document.getElementById("gridiv").innerHTML=xmlHttp.responseText;
            var responseVar = xmlHttp.responseText;
	    finalResponse = responseVar;
	    document.getElementById("loadingImage").innerHTML=""; // Added to display loading gif
            document.getElementById("emailDiv").innerHTML=finalResponse;
       }
    }
}