var xmlHttp

function subscribeUser(emailID)
{ 
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
	document.getElementById("newsLetterID").innerHTML= '<p align="center" ><img vspace="10" align="center" src="images/loading.gif"></p>'	
	
	var url="ajax/ajax.php"	
	url=url+"?emailid="+emailID
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
	
}


function stateUnSubscribe() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		var response = xmlHttp.responseText;

		document.getElementById("newsLetterID").innerHTML=response
	}
} 


function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		var response = xmlHttp.responseText;
		document.getElementById("newsLetterID").innerHTML=response
	}
} 


function GetXmlHttpObject()
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}