$(window).load(function() {
	 
	 $("#top-nav > li").hover(
		 function() {
			   $("ul.secondary-nav",$(this)).show();
			   $("a:first",$(this)).addClass("hover");
			    
				var opos = jQuery("a:first",$(this)).offset();
				var width = jQuery("a:first",$(this)).width();
				
				//calculate the center to draw the background arrow
				var centerOfNavItem = width/2 +2;
				var navPlacement = opos.top + 43;
		
				// show the menu directly over the placeholder
				jQuery("ul.secondary-nav",$(this)).css( {
					"left" : (opos.left) + "px",
					"top" : (navPlacement) + "px", 
					"background" : "#ffffff"
				}); 
		 },
		 
		 function() {
			   $("ul.secondary-nav",$(this)).hide();
			   $("a:first",$(this)).removeClass("hover");
		 }
	 );

	 
	 
});