$(document).ready(function() {
    try {
	//show its sub navigation (if there is none this won't execute)
	$("#" + activeMenuId).children(".subNav").show();
	//change the menu item to yellow
	$("#" + activeMenuId).children("a").addClass("active");
	if (activeSubMenuId) { $("#" + activeSubMenuId).children("a").addClass("active"); }
	//add a class that is specific to this menu item for any specific styles for this item
	$("#" + activeMenuId).addClass("active" + activeMenuId);
	}
	catch (e) {}
});