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


function expandingMenu(num) {


	var speed = 500;
	
	var items = $("#menu ul").eq(num).children().filter(function (index) { return index > 0; });
	if (items.length > 0) {
		items.hide();
	}
			
	var item_title = $("#menu ul").eq(num).children(":first");

	/* hide items if not active */
	if (items.is(".active") == true) {
		item_title.addClass("navSelected");
		items.show();
	}
	
	/* Set navSelected if active */
	var loc = String(window.location);
	var page  = String(item_title.attr("id").toLowerCase());
	if (loc.search(page) != -1) {
		item_title.addClass("navSelected");
	}

	/* add click functions + pointer to title */
	if (items.length > 0) {
		item_title.css({cursor:"pointer"}).toggle(
			function () {				
				items.show(speed);
				item_title.addClass("navSelected");
			}, function () {
				items.hide(speed);
				item_title.removeClass("navSelected");
			}
		)
	}
}