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


var toggleStates = new Array();

function expandingMenu(num) {
	var speed = 350;
	/* vorher: 	var speed = 000;
*/
	
	var item_title = $("#menu ul").eq(num).children(":first");
	var items = $("#menu ul").eq(num).children().filter(function (index) { return index > 0; });
	
	if((num==3)||(num==4)){
		$("#menu ul").eq(num).css({marginBottom:'20px'});
	}
	
	/* hide items if not active */
	if (items.is(".active") == false) {
		items.hide();
		toggleStates[num] = false;
	}else{
		toggleStates[num] = true;
	}

	/* add click functions + pointer to title */
	item_title.css({cursor:"pointer"}).click(
		function () {
			if(!toggleStates[num]){
				toggleStates[num] = true;
				items.show(speed);
				hideOthers(num);
			}else{
				items.hide(speed);
				hideOthers(num);
				toggleStates[num] = false;
			}
		}
	)
}

function hideOthers(num){
	var speed = 100;
	$("#menu ul").each(function(i){
		if((i != num)&&(toggleStates[i])){
			var items = $(this).children().filter(function (index) { return index > 0; });
			items.hide(speed);
			toggleStates[i] = false;
		}
	});
}