$(document).ready(function(){	
	verticalCenter("#outerWrapper","0px");
	//background rollovers setup
	$(".rollover").hover(
		function () {
			var h = "0px -" + $(this).css("height");
			$(this).css("background-position",h);
		},
		function () {
			$(this).css("background-position","0px 0px");
		}
	);
});
$(window).resize(function(){
	verticalCenter("#outerWrapper","0px");
});