function valideStockAlert(upc_ean, url) 
	{
		var container = document.getElementById('stock_alert_message');
		var mail 	  = document.getElementById('stock_alert_email').value;
		var target	  = $('stock_alert_url').innerHTML;
		var params    = 'upc_ean=' + upc_ean + '&mail=' + mail + '&url=' + url;

		new Ajax.Updater(container, target, {
			method: 'post', 
			evalScripts: true, 
			parameters : params
		});
	}