scrollStep=1

timerLeft=""
timerRight=""
timerTop=""
timerDown=""

function toLeft(id){
  document.getElementById(id).scrollLeft=0
}

function scrollDivLeft(id){
  clearTimeout(timerRight) 
  document.getElementById(id).scrollLeft+=scrollStep
  timerRight=setTimeout("scrollDivLeft('"+id+"')",10)
}

function scrollDivRight(id){
  clearTimeout(timerLeft)
  document.getElementById(id).scrollLeft-=scrollStep
  timerLeft=setTimeout("scrollDivRight('"+id+"')",10)
}

function toRight(id){
  document.getElementById(id).scrollLeft=document.getElementById(id).scrollWidth
}

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

function toTop(id){
  document.getElementById(id).scrollTop=0
}

function scrollDivTop(id){
  clearTimeout(timerTop) 
  document.getElementById(id).scrollTop-=scrollStep
  timerTop=setTimeout("scrollDivTop('"+id+"')",10)
}

function scrollDivDown(id){
  clearTimeout(timerDown)
  document.getElementById(id).scrollTop+=scrollStep
  timerDown=setTimeout("scrollDivDown('"+id+"')",10)
}

function toDown(id){
  document.getElementById(id).scrollTop=document.getElementById(id).scrollHeight
}