var sActiveMenuTitle;
var oSubMenu;
var aSubMenuContent = new Array();

var aSubMenuItems=document.getElementById('jsnavbar').getElementsByTagName('ul');

var iSubMenuCount=aSubMenuItems.length;
var iSubMenuActive = 0;

function menu_update(iType,sTitle) {
	if (iType==1) {
		for (var i=0; i<iSubMenuCount; i++) {
			if (aSubMenuItems[i].id!='submenu_'+sTitle)
				aSubMenuItems[i].style.display = 'none';
			else
				aSubMenuItems[i].style.display = '';
		}
		iSubMenuActive = 1;
	}
	else {
		iSubMenuActive = 0;
		setTimeout('menu_update_sub()',100);
	}
}

function menu_update_sub() {
	if (!iSubMenuActive) {
		for (var i=0; i<iSubMenuCount; i++) {
			if (aSubMenuItems[i].id!='submenu_'+sActiveMenuTitle)
				aSubMenuItems[i].style.display = 'none';
			else
				aSubMenuItems[i].style.display = 'block';
		}
	}
}