function checkEmail(email) {
//alert('125');
//var email = document.getElementById('email_address');
var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email)) {
	alert('Please provide a valid email address');
	//email_address.focus
	return false;
	}
return true;
}




function get_pageinfo(){
	
		
if (document.getElementById("email_address").value.length > 0 && !checkEmail(document.getElementById("email_address").value) )
  {
  //alert ("email is invalid.");
   
   
 // document.getElementById("email_address").email_address.className = "input-box-error3"
 //sdocument.getElementById("email_address").email_address.focus();
   return false;
		  
 }
	div='email_address_msg';
	commondiv = div;
	//fname=document.getElementById('fname').value;
	//lname=document.getElementById('lname').value;
	email_address=document.getElementById('email_address').value;	
	page="subscribe.php"+"?" +"email_address="+email_address;
	//alert(page);
	var response = load_form(page)
	document.getElementById(div).innerHTML = xmlhttp.responseText;	
	document.getElementById('email_address_msg').value= xmlhttp.responseText;	
	

 
}


function load_form(page)

{  
	xmlhttp= (window.XMLHttpRequest ? new XMLHttpRequest(): ((window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : null) );

	xmlhttp.onreadystatechange = state_change;
    xmlhttp.open("GET",page,false)

	xmlhttp.send(null);
	//alert (xmlhttp.responseText)
	return (xmlhttp.responseText);

}

function state_change()
{
  if (xmlhttp.readyState==4)
  {
	

  }
}