// declare variable
var httpObj;
var useremail;  // for email

// used to check email id for newsletter subscription
function getEmailDetail() 
{ 	
	useremail = document.getElementById('newssubemail').value;
	httpObj = getHTTPObject();	
	var url = "subscribeemail.php?email="+useremail; 
	
	httpObj.open("GET", url , true);
	httpObj.onreadystatechange = handleHttpResponseResult;
	httpObj.send(null);
		 
}

// We create the HTTP Object
function getHTTPObject()
{
	var xmlhttp;
	if(window.XMLHttpRequest)
	{
		xmlhttp = new XMLHttpRequest();
	}else if (window.ActiveXObject)
	{
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
		if (!xmlhttp)
		{
			xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
	}
return xmlhttp;
}
// handle HttpResponse 
function handleHttpResponseResult()
 {
 	var content="";
 	var valid="";
	if (httpObj.readyState==4 || httpObj.readyState=="complete")
	{    			   
			var content 	= httpObj.responseText;			
       		document.getElementById('subemail').innerHTML=content;	
	}
}
function clearValue()
{
	var uemail = document.getElementById('newssubemail').value;
	if(uemail=="enter email address")
	{
		document.getElementById('newssubemail').value="";	
	}
}
function setValue()
{
	var uemail = document.getElementById('newssubemail').value;
	if(uemail=="")
	{
		document.getElementById('newssubemail').value="enter email address";	
	}
}