function getDropDown()
{         
	var req = GetXmlHttpObject(); // fuction to get xmlhttp object
	if (req==null) {
        alert ("Your browser does not support AJAX!");
        return;
	}
	if (req)
	{
		req.onreadystatechange = function()
	{
		if (req.readyState == 4)
		{ //data is retrieved from server
			if ((req.status == 200) && (req.responseText != ""))
			{ // which reprents ok status 
			//document.getElementById('dropdown_wrapper').innerHTML="";
			document.getElementById('ajax_response').innerHTML=req.responseText;			
			}
			else if (req.status == 200)
			{
			window.location = "http://www.fine-turf.co.uk/validate-your-sign-up.php";
			}

		else
		{ 
			alert("There was a problem while using XMLHTTP:\n");
		}
		}            
	}        
	req.open("GET", "ajax_email_process.php?email="+document.getElementById('email').value, true); //open url using get method
	req.send(null);
	}
}



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;
}