function authenticate(){
		document.forms['loginform'].submit();
		
		var user_email = $("login_name").value;
		var user_password = $("login_password").value;
		var url = "/shop/xtcommerce/login_from_contenido.php?action=process";
		new Ajax.Request(url, {
		  method: 'post',
		  encoding: 'UTF-8',
		  parameters: {
			email_address: user_email,
			password: user_password
		  },
		  onComplete: function(transport) {
			// console.log(transport);
			document.forms['loginform'].submit();
		  }
		});
	}