/*	Expanding Menus for Indexhibit
 *		uses jquery
 *
 * 	-- Version: One open at a time --
 *
 *	Created by Ross Cairns  Mar 2008
*/

var last;

function expandingMenu(num) {
	var speed = 200;
	
	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 () {
			items.show(speed).animate({easing:"linear"});
			if (last != undefined && last != items) {
				last.hide(speed).animate({easing:"linear"});
			}
			last = items;
		}
	)
}