$(document).ready(function(){
	//external link setup
	$("a[href^='http://']").each(function(){
		$(this).attr({
			href: "javascript:visit('" + $(this).attr('href') + "')"
		});
	});
	//background rollovers setup
	$("ul li a, .rollover").hover(
		function () {
			var h = "0px -" + $(this).css("height");
			$(this).css("background-position",h);
		},
		function () {
			$(this).css("background-position","0px 0px");
		}
	);
});