var xmlHttp
function validate_email(myForm)
{ 
 var str=myForm.email_address.value
 var filter=/^.+@.+\..{2,3}$/
 if (filter.test(str))
	{
	/* 
	 if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myForm.email_address.value))
	{
			
		xmlHttp=GetXmlHttpObject()
		if (xmlHttp==null)
		 {
		 alert ("Browser does not support HTTP Request")
		 return
		 } 
		var email_addr = myForm.email_address.value;
		var url="getemail.php"
		url=url+"?email="+email_addr
		alert(url);
		//url=url+"&sid="+Math.random()
		xmlHttp.onreadystatechange=stateChanged 
		
		xmlHttp.open("GET",url,true)
		
		xmlHttp.send(null)
		/ */
		return(true);
	}
	else
	{
		var num1="<font color=#FF0000 size=-1 face=Arial, Helvetica, sans-serif>Invalid E-mail Address! Please re-enter.</font>";

		document.getElementById("error_email_address").innerHTML= num1;
		return (false)
	}
}


function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
  		
		alert( xmlHttp.responseText);
		document.getElementById("error_email_address").innerHTML= stringhtml
 } 
}function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}