scrollStep=10
timerLeft=""
timerRight=""

function scrollDivLeft(id){
  clearTimeout(timerRight) 
  document.getElementById(id).scrollLeft+=scrollStep
  timerRight=setTimeout("scrollDivLeft('"+id+"')",50)
}

function scrollDivRight(id){
  clearTimeout(timerLeft)
  document.getElementById(id).scrollLeft-=scrollStep
  timerLeft=setTimeout("scrollDivRight('"+id+"')",50)
}

function stopMe(){
  clearTimeout(timerRight) 
  clearTimeout(timerLeft)
}