iens6=document.getElementById;
var speed=10;
var scrollPos = -1;
var scroller = document.getElementById('rightcolumn');
// var rightbarheight = scroller.scrollTop;

function moveup()
 {
  if (iens6 && scroller.scrollTop > 0 )
    scroller.scrollTop = scroller.scrollTop-(speed/10);
  scrollPos = scroller.scrollTop;
  speed=speed+1;
  moveupvar=setTimeout("moveup()",20);
 }
function movedown()
 {
  scroller.scrollTop = scroller.scrollTop +(speed/10);
  if (scroller.scrollTop == scrollPos)
    stopscroll();
  else
   {
    scrollPos = scroller.scrollTop;
    speed=speed+1;
    movedownvar=setTimeout("movedown()",20);
   }
 }
function stopscroll()
 {
  if (window.moveupvar) clearTimeout(moveupvar);
  if (window.movedownvar) clearTimeout(movedownvar);
  speed=10;
  var scrollPos = -1;
 }
function movetop()
 {
  stopscroll();
  if (iens6)
    scroller.scrollTop = 0;
 }
function getrightbar_height()
 {
  if (iens6)
    rightbarheight=scroller.offsetHeight;
 }