scrollStep=1

timerUp=""
timerDown=""

function scrollDivUp(id){
  clearTimeout(timerUp) 
  document.getElementById(id).scrollTop-=scrollStep
  timerUp=setTimeout("scrollDivUp('"+id+"')",5)
}

function scrollDivDown(id){
  clearTimeout(timerDown)
  document.getElementById(id).scrollTop+=scrollStep
  timerDown=setTimeout("scrollDivDown('"+id+"')",5)
}

function stopMe(){
  clearTimeout(timerDown) 
  clearTimeout(timerUp)
}

function showPhoto(photo){
	document.getElementById('detailPhoto').src = '/public/gallery/medium-' + photo;
    document.getElementById('detailLink').rel = 'lightbox[/public/gallery/' + photo + ']';
}