var curDepth1 = null;
var curDepth2 = null;
var curDepth3 = null;

function onMenu(menu, depth2, depth3){
	var obj_menu = getObject(menu);
	obj_menu.className = "depth1_loc";
	obj_menu.style.color = "#FFFFFF";
	obj_menu.style.background = "#7fb14a";
	showHideLayers('d2_' + menu, 'show');
	showHideLayers('f2_' + menu, 'show');

	if(depth2!=null)
	{ 
		var obj_menu2 = getObject(menu + "_" + depth2);
		obj_menu2.className = "loc";
		showHideLayers('d3_' + menu + "_" + depth2, 'show');
		showHideLayers('f3_' + menu + "_" + depth2, 'show');

		if(depth3!=null)
		{ 
			var obj_menu3 = getObject(menu + "_" + depth3);
			obj_menu3.style.background = "#001542";
		}
	}

}

function offMenu(menu, depth2, depth3){
	var obj_menu = getObject(menu);
	obj_menu.className = "depth1";
	obj_menu.style.color = "";
	obj_menu.style.background = "#FFFFFF";
	showHideLayers('d2_' + menu, 'hide');
	showHideLayers('f2_' + menu, 'hide');

	if(depth2!=null)
	{
		var obj_menu2 = getObject(menu + "_" + depth2);
		obj_menu2.className = "";
		showHideLayers('d3_' + menu + "_" + depth2, 'hide');
		showHideLayers('f3_' + menu + "_" + depth2, 'hide');

		if(depth3!=null)
		{ 
			var obj_menu3 = getObject(menu + "_" + depth3);
			obj_menu3.style.background = "";
		}
	}

	initMenu();
}

function initMenu() {
	var strMenu = new Array("", "about", "academics", "admission", "campus", "core", "research", "global", "around");
	var obj_menu;

	if(curDepth1!=null && curDepth1!="" && curDepth1>"0" && curDepth1<"9" && strMenu[curDepth1]!="")
	{
		obj_menu = getObject(strMenu[curDepth1]);

		obj_menu.className = "depth1_loc";
		obj_menu.style.color = "#FFFFFF";
		obj_menu.style.background = "#7fb14a";
	}
}