function AjaxFunct(email_mdp)
{ 
	var req = null; 
	
	document.getElementById("mdp_send").innerHTML="Requête exécutée...";
	if(window.XMLHttpRequest) // MOZILLA
		req = new XMLHttpRequest(); 
 	else if (window.ActiveXObject) { // IE
            try {
                req = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    req = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
        	}		
	}
	
 	req.onreadystatechange = function()
	{ 
		document.getElementById("mdp_send").innerHTML="Veuillez patienter, chargement en cours...";
		if(req.readyState == 4)
		{

 			if(req.status == 200)
			{
				document.getElementById("mdp_send").innerHTML=req.responseText;	
			}	
			else	
			{
				document.getElementById("mdp_send").innerHTML="Erreur: returned status code " + req.status + " " + req.statusText + "";
			}	
		} 
	}; 
 	req.open("GET", "ajax.php?email_mdp=" + email_mdp, true); 
	req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
	req.send(null); 
}