defaultStep=6
step=defaultStep
function scrollDivDown(id){
document.getElementById(id).scrollTop+=step
timerDown=setTimeout("scrollDivDown('"+id+"')",1)
}

function scrollDivUp(id){
document.getElementById(id).scrollTop-=step
timerUp=setTimeout("scrollDivUp('"+id+"')",1)
}

timerDown="" 
timerUp="" 

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