$(document).ready(
 function()
 {
    $("#prevbtn").click( function(){ leftorright = "left"; if(addwidth == 0){loadsetInterval();} });
    $("#nextbtn").click(function(){ leftorright = "right";if(addwidth == 0){ loadsetInterval();} });
    allwidth = document.getElementById("shopimagelisttable").clientWidth;
    loadsetInterval();
 }
);

var scrollwidth = 391;
var scrollnum = 0;
var addwidth = 0;
var allwidth = 0;
var scrollset;
var scrolltimeout;
var leftorright = "right";
var splitspeed = 5000;
var speed = 50;
function leftclick()
{
  var prevleft = $("#productlist").scrollLeft();
  if(prevleft>0)
  {
    $("#prevbtn").show();
  }
  else
  {
    $("#prevbtn").hide();
  }
  if(prevleft >= (allwidth - scrollwidth))
   {
     $("#nextbtn").hide();
   }
   else
   {
    $("#nextbtn").show();
   }
   addwidth = addwidth + scrollnum;
  if(addwidth <= scrollwidth)
  {     
     if(prevleft - scrollnum > 0)
     {
       $("#productlist").scrollLeft(prevleft - scrollnum);
     }
     else
     {
       $("#productlist").scrollLeft(0);
       leftorright = "right";
       $("#prevbtn").hide();
       clearTimeout(scrollset);
       clearTimeout(scrolltimeout);     
       scrolltimeout = setTimeout("loadsetInterval()",splitspeed);
       scrollnum = 0;
       addwidth = 0;
       return;
     }
  }
  else
  {
     $("#productlist").scrollLeft(prevleft - (scrollw