function getXhr(){
	var xhr = null; 
	if(window.XMLHttpRequest) // Firefox et autres
		xhr = new XMLHttpRequest(); 
	else if(window.ActiveXObject){ // Internet Explorer 
		try {
			 xhr = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xhr = new ActiveXObject("Microsoft.XMLHTTP");
		}
	} else { // XMLHttpRequest non supporté par le navigateur 
		alert("Your browser does not support XMLHTTPRequest objects..."); 
		xhr = false; 
	} 
	return xhr
}
			


function SendSubscribeRequest(suburl){
		var xhr = getXhr();

			xhr.onreadystatechange = function(){
			// On ne fait quelque chose que si on a tout reçu et que le serveur est ok
				if(xhr.readyState == 4 && xhr.status == 200){
				document.getElementById('subscribe-response').innerHTML=xhr.responseText;


					return xhr.responseText;
				}
			}
		
		
		var Email= document.getElementById('user-email').value;

		document.getElementById('subscribe-response').innerHTML='Processing';

		xhr.open("POST",suburl,true);
		xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		xhr.send("user-email="+Email);	
		
}