// JavaScript Document
var xmlHttp

function stateChanged() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("errormsg_email_exists").innerHTML=xmlHttp.responseText;
		return Validate1();
	}
}

function showHint(str)
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
  	{
	  alert ("Your browser does not support AJAX!");
	  return;
  	}
	var url="email.php";
	url=url+"?q="+str;
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("POST",url,true);
	xmlHttp.send(null);
}


function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}