/*	Expanding Menus for Indexhibit
 *		uses jquery
 *
 *	Created by Ross Cairns  Mar 2008
*/
function expandingMenu(num,chNum) {
	
	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; });
	
	
	if (items.is(".active") == false) {
		items.hide();
	}else{		
		openItem=items;
	}
	//items.slideToggle();
	var ch=document.getElementsByTagName('ul');
	var a;
	for(var k=0; k < ch.length; k++){
		if(ch[k].childNodes[chNum].className == "section-title"){
			a=ch[k].getElementsByTagName('a');
			for(var s=0; s < a.length; s++){
				a[s].style.color = "#5e5e5e";
				a[s].style.paddingLeft = "10px";
				a[s].addClass="sousMlevel1";
			}		
		}
	}
	ch[1].style.paddingTop="10px";
	// add click functions + pointer to title
	item_title.css({cursor:"pointer"}).click(
		function(){
			if(openItem==null){
				items.slideToggle(speed);
				openItem=items;
			}else if(items==openItem) {
				items.slideToggle(speed);
				openItem=null;
			}else{
				openItem.slideToggle(speed);
				items.slideToggle(speed);
				openItem = items;
			}
		}
	)
}