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

defaultStep=1 
step=defaultStep 

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

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

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

function toPoint(id){ 
document.getElementById(id).scrollTop=100 
} 

timerDown=""  
timerUp=""  

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