$(function()
	{
		$('#nav li')
			.css( {backgroundPosition: ""} )
			.mouseover(function(){
					$(this).stop().animate({backgroundPosition:"(0 -250px)"}, {duration:500})
			})
			.mouseout(function(){
					$(this).stop().animate({backgroundPosition:"(0 0)"}, {duration:500})
			})
		});
	
	function popitup3(URL,Name,features) {
	window.open(URL,Name,features);
}