$(function() {

	$('#nav li:not(.selected) a, #nav li:not(.selected) span')
		.css( {backgroundPosition: "0 0"} )
		.mouseover(function() {
			$(this).stop().animate(
				{backgroundPosition: "(0 -108px)"},
				{duration:600}
			)
		})
		.mouseout(function() {
			$(this).stop().animate(
				{backgroundPosition:"(0 0)"}, 
				{duration:600}
			)
		})

});


function PopupCenter(pageURL, title,w,h) {
	var left = (screen.width/2)-(w/2);
	var top = (screen.height/2)-(h/2);
	var targetWin = window.open (pageURL, title, 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width='+w+', height='+h+', top='+top+', left='+left);
}