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

defaultStep=2
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 
}