$(document).ready(function(){

	// Add .has-sub-menu class to menu items with sub-menus
	$(".navbar > div > ul > li > ul.sub-menu").parent().addClass("has-sub-menu");

	// Add .show-subnav class to first main menu link.
	// .show-subnav class is used to display the submenu for that item.
	$(".navbar > div > ul > li:first-child").addClass("show-subnav");
	
	// Move .show-subnav class to the link the user has moved the mouse to.
	$(".navbar > div > ul > li").mouseenter(function(){	
		$(".show-subnav").removeClass("show-subnav");			
		$(this).addClass("show-subnav");			
			
		return false;
	});
});