var xmlHttpemail
function chekemail(stremail)
{
if (stremail.length==0)
  { 
  document.getElementById("txtHintemail").innerHTML="";
  return;
  }
xmlHttpemail=GetXmlHttpObjectemail();
if (xmlHttpemail==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var urlemail="checkemail.php";
urlemail=urlemail+"?q="+stremail;
urlemail=urlemail+"&sid="+Math.random();
xmlHttpemail.onreadystatechange=stateChangedemail;
xmlHttpemail.open("GET",urlemail,true);
xmlHttpemail.send(null);
} 
function stateChangedemail() 
{ 
if (xmlHttpemail.readyState==4)
{ 
//document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
if (xmlHttpemail.status==200) {
            // we use a delay only for this example
            setTimeout('loadResultsemail()',100);
        }
}
}
function GetXmlHttpObjectemail()
{
var xmlHttpemail=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttpemail=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttpemail=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttpemail=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttpemail;
} 
 function loadResultsemail() {
	
	  document.getElementById("txtHintemail").innerHTML=xmlHttpemail.responseText;
	 document.getElementById('txtHintemail').innerHTML = '<img id="submitImage" name="submitImage" src="http://www.examsheets.net/images/loading.gif" alt="AJAX Results Ready">';
	 
	 setTimeout('resetImageemail()',2000);
    
}
function resetImageemail() {
	document.getElementById("txtHintemail").innerHTML=xmlHttpemail.responseText;
}