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

defaultStep=1
step=defaultStep
quickStep=step+10
function scrollDivDown(id){
document.getElementById(id).scrollTop+=step
timerDown=setTimeout("scrollDivDown('"+id+"')",10)
}

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

function scrollDivUp(id){
document.getElementById(id).scrollTop-=step
timerUp=setTimeout("scrollDivUp('"+id+"')",10)
}

function scrollDivUpFast(id){
document.getElementById(id).scrollTop-=quickStep
timerUp=setTimeout("scrollDivUp('"+id+"')",10)
}