$(function(){
      //Get our elements for faster access and set overlay width
      var div = $('div.sc_menu'),
        ul = $('ul.sc_menu'),
        ulPadding = 15;
      
      //Get menu width
      var divWidth = div.width();
    
      //Remove scrollbars	
      div.css({overflow: 'hidden'});
      
      //Find last image container
      var lastLi = ul.find('li:last-child');
      
      //When user move mouse over menu
      div.mousemove(function(e){
        //As images are loaded ul width increases,
        //so we recalculate it each time
        var ulWidth = lastLi[0].offsetLeft + lastLi.outerWidth() + ulPadding;	
        var left = (e.pageX - div.offset().left) * (ulWidth-divWidth) / divWidth;
        div.scrollLeft(left);
      });
    });