function validavacio (Ctrl) {
			if (Ctrl.value == "" || Ctrl.value.length == 0)
				return (true);
			else
				return (false);
		}

		function validemail(Ctrl) {
			if (Ctrl.value == "" || Ctrl.value.indexOf ('@', 0) == -1 || Ctrl.value.indexOf ('.', 0) == -1)
				return (true);
			else
				return (false);
		}