function tmtExpandMenu(menuobj, collapse){
	if(collapse){
		var menus = menuobj.parentNode.parentNode.childNodes;
		//Collapse all main menus
		for(var i=0; i<menus.length; i++){	
			tmtExpandSubMenus(menus[i].childNodes, true);
		}
	}
	//Expand current section
	tmtExpandSubMenus(menuobj.parentNode.childNodes);
}

function tmtExpandSubMenus(subMenus, subClose){
	for(var i=0; i<subMenus.length; i++){	
		var obj = subMenus[i];
		if(obj.nodeName.toLowerCase() == "a" && obj.onclick == null){
			if(subClose){
				//Close menu entry
				obj.style.display = "none";
			}
			else{
				//Toggle display
				obj.style.display = (obj.style.display != "block") ? "block" : "none";
			}
		}
	}
}