Event.observe(window, "load", function() {
	var $elems = $$(".trouble-4 .trouble-head");
	var $questions = $$(".trouble-4 dt");
	var $answers = $$(".trouble-4 dd");

	function hideAll($elems) {
		$elems.each(function($elem) {
			$elem.hide();
		})
	}
	
	$elems.each(function($elem, idx) {
		var $question = $questions[idx];
		var $answer = $answers[idx];
		
		if ($question.className != "open") {
			$answer.hide();
		}
		$elem.observe("click", function() {
			$question.toggleClassName("open");
			$answer.toggle();
		}).setStyle({
			cursor: "pointer"
		});
	});
});