$(function(){
 //Get our elements for faster access and set overlay width
 var div = $('div#resmenu'),
       ul = $('ul.menures'),
       // unordered list's left margin
       ulPadding = 0;

 //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);
 }); 
});

$(function() {
	$(".menures li").click(function() {
		$("#resbios div").slideUp("fast");
		$('#resbios div:eq(' + $('.menures > li').index(this) + ')').slideDown('slow');
		return false;
	});
});