var openedMenu = null;

function expandMenu(m)
{
	if(m == openedMenu) { return; }
	if(openedMenu != null) {
		$(openedMenu).slideUp(400, function() {
			$(m).slideDown(400);
			openedMenu = m;
		});
	} else {
		$(m).slideDown(400);
		openedMenu = m;
	}
}

function toggleCategory(e, i)
{
	if($(e).is(':checked')) {
		$('.cat_'+i).show();
	} else {
		$('.cat_'+i).hide();
	}
}