/*	Expanding Menus for Indexhibit
 *		uses jquery
 *
 *	Created by Ross Cairns  Mar 2008
*/
var activeMenuItem;

function expandingMenu(num) {
	
	var speed = 500;
	
	var item_title = $("#menu ul").eq(num).children(":first");
	var items = $("#menu ul").eq(num).children().filter(function (index) { return index > 0; });
	
	/* hide items if not active */
	if (items.is(".active") == false) {
		items.hide();
	}

	/* add click functions + pointer to title */
	item_title.css({cursor:"pointer"}).click(
		function () {
			$.each($("#menu ul li"),function () { $(this).hide(); });
			$.each($("#menu ul li.section-title"),function () { $(this).show() });
			if (activeMenuItem != num) {
				items.show(speed);
				activeMenuItem = num;
			} else {
				activeMenuItem = -1;
			}
		}
	)
}