if ($('submit')) {
	Event.observe($('submit'), "click", function(event) {
		if (!$('name').value) {
			$('name').focus();
			$('name').className = "invalid";
			Event.stop(event);
			return false;
		}

		var regex = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/

		if (!regex.test($('eml').value)) {
			$('eml').focus();
			$('eml').className = "invalid";
			Event.stop(event);
			return false;
		}

		if (!$('question').value) {
			$('question').focus();
			$('question').className = "invalid";
			Event.stop(event);
			return false;
		}

	});


	$('name').onkeypress = function() {
		$('name').className = "txt";
	}

	$('eml').onkeypress = function() {
		$('eml').className = "txt";
	}

	$('question').onkeypress = function() {
		$('question').className = "txt";
	}

}