function hide (object) {
	toggle_class (object, "hidden");
	return false;
}

function show (object, type) {
	toggle_class (object, type+"show");
	return false;
}


function toggle_class (object, classname) {
	if (object.className.match(classname))
		object.className = object.className.replace (classname,'');
	else
		object.className += " " + classname;
	
	alert (object.className);
	return false;
}



function toggle (img) {
	swap_img (img, "_off", "_on");
	return false;
}


function swap_img (img, from, to) {
	
	if (img.src.match(to))
		img.src = img.src.replace (to,from);
	else
		img.src = img.src.replace (from,to);
	
	return false;
}

function test_check (checkbox, id) {
	var li = document.getElementById("m" + id);
	if (checkbox.checked) {
		li.className += " selected";
	} else {
		li.className = li.className.replace ('selected','');
	}

	return false;
}