$(document).ready(function() {
	$('.nvl').hover(
		function(){
			$(this).find('.rt a').css('background-position','0px -40px');
			$(this).find('.sub').css('display','block');
		},function(){
			$(this).find('.rt a').css('background-position','0px 0px');
			$(this).find('.sub').css('display','none');
		}
	);
});

//window open function------------------------------

function topicWin(URL){
	fullURL='topics/'+URL;
	newWin = window.open(fullURL,'scheWin','width=500,height=400,scrollbars=1,toolbar=1,location=0,directories=0,status=0,menubar=0,resizable=1');
	newWin.focus();
}