// Adjust menu horizontal position
$(window).load(function(){
	nav = $("#navigation").width();
	ul = $("#navigation ul").outerWidth(true);
	margin = (nav - ul) / 2;
	$("#navigation ul").css("margin-left", margin);
});
//Add hover affect for menu
$(document).ready(function(){
	$("#navigation a").hover(
			function(){
				src = $(this).find("img").attr("src");
				chunks = src.split('&');
				src = chunks[0]+"&over=1";
				$(this).find("img").attr("src",src);
			},
			function(){
				src = $(this).find("img").attr("src");
				chunks = src.split('&');
				src = chunks[0]+"&over=0";
				$(this).find("img").attr("src",src);
			}
	);
});