$(document).ready(function(){ 
	$("#nav").superfish({ 
		delay:       200,                 // fade-in and slide-down animation 
		speed:       400,                 // faster animation speed 
		autoArrows:  false,               // disable generation of arrow mark-up 
		dropShadows: false                // disable drop shadows 
	});

	$("#nav li").css({backgroundPosition:"0 -31px"}).hover(
		function() {
			$(this).stop().animate({backgroundPosition:"(0 0)"}, {duration:400});
		},
		
		function(){
			$(this).stop().animate({backgroundPosition:"(0 -31px)"}, {duration:400});
		}
	);
	
	$("#nav .on").css({backgroundPosition:"0 0"});
});