$(function(){
	var div = $('div.promo'),
		ul = $('ul.promo'),
		ulPadding = 5;
	var divWidth = div.width();
	div.css({overflow: 'hidden'});
	var lastLi = ul.find('li:last-child');
 
	div.mousemove(function(e){
//		var ulWidth = lastLi[0].offsetLeft + lastLi.outerWidth() + ulPadding;
		var ulWidth = ul.width() + ulPadding;
		var left = (e.pageX - div.offset().left) * (ulWidth-divWidth) / divWidth;
		div.scrollLeft(left);
//		alert(lastLi[0].offsetLeft);
  });
});