// creation de l'instance ******
	function createInstance()
	{
        var req = null;
		if (window.XMLHttpRequest)
			{req = new XMLHttpRequest();} 
		else if (window.ActiveXObject) 
			{try {req = new ActiveXObject("Msxml2.XMLHTTP");} 
		catch (e)
			{try {req = new ActiveXObject("Microsoft.XMLHTTP");}
				catch (e) 
				{alert("Instance non crée!");}
			}
	}
    return req;};
 	
// storing *********
	function storing(data, element)	{element.innerHTML = data;}
 
 	 
// submitform **********
	function submitForm(element)
	{ 
		var req =  createInstance();
 
		req.onreadystatechange = function()
		{ 
			if(req.readyState == 4)
			{
				if(req.status == 200)
				{storing(req.responseText, element);}	
				else	
				{alert("Erreur. Satut: " + req.status + " " + req.statusText);}	
			} 
		}; 
		
		req.open("POST", "ajax-get.php", true); 
		req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");     
		req.send('Id='+refprod+'&e1='+etiq1+'&e2='+etiq2);
		alert("Ce produit a bien été ajouté à votre panier.");	
		
	}