var xmlHttp
var userEmail;
function check_email_availability(email)
{
	userEmail = email;
	xmlHttp_Register=GetXmlHttpObject_Register()
	if(email !=""){
	if (xmlHttp_Register==null)
	  {
	  alert ("Browser does not support HTTP Request")
	  return
	  } 
	  
	var url="sc/my-account/check-email-availabilty.php"
	url=url+"?email="+email
	url=url+"&sid="+Math.random()
	//alert(url);
	xmlHttp_Register.onreadystatechange=stateChanged_Register 
	xmlHttp_Register.open("GET",url,true)
	xmlHttp_Register.send(null)
	}

}



function stateChanged_Register() 
{ 
	if (xmlHttp_Register.readyState==4 || xmlHttp_Register.readyState=="complete")
	 { 
		//alert(xmlHttp_Register.responseText);
		if(xmlHttp_Register.responseText ==1)// 1 means that email not availbale
		{
			document.getElementById("email").value = "";
			document.getElementById("ajaxmessage_Register1").innerHTML=userEmail+" is already registered"; 
		}
		else
		{
			document.getElementById("ajaxmessage_Register1").innerHTML=""; 
		}
	 } 
}

function GetXmlHttpObject_Register()
{
	var xmlHttp_Register=null;
	
	try
	 {
		 // Firefox, Opera 8.0+, Safari
		 xmlHttp_Register=new XMLHttpRequest();
	 }
	 
	catch (e)
	 {
		 // Internet Explorer
		 try
		  {
		  	xmlHttp_Register=new ActiveXObject("Msxml2.XMLHTTP");
		  }
		 catch (e)
		  {
		  	xmlHttp_Register=new ActiveXObject("Microsoft.XMLHTTP");
		  }
	 }
	 
	return xmlHttp_Register;
}