var xmlhttp;
var emailval;
var email = /^[^@]+@[^@.]+\.[^@]*\w\w$/;
function chemail(emailval)
{
	
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
 alert ("Your browser does not support XMLHTTP!");
  return;
  }
if (!email.test(emailval)) {
		alert("Please Enter A Valid Email Address ")
		document.getElementById('email').value="";
		document.getElementById('email').focus();
      	email.style.backgroundColor = '#f1bcc9';	
        return false;
    } else {
		
     //email.style.backgroundColor = '#DCC5A9';	

var url="load_email_test.php?emval="+emailval+"";
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
  }
}
function stateChanged()
{
if (xmlhttp.readyState==4)
  {
  ////document.getElementById('left_msg').innerHTML=xmlhttp.responseText;
  if(xmlhttp.responseText=="Email Already Exists")
  {
	  
		alert(xmlhttp.responseText);
		document.getElementById('email').value="";
		document.getElementById('email').focus();
	
  }
  
  }
  
 
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}