function toTop(id){ 
document.getElementById(id).scrollTop=0 
} 
if(navigator.appName=='Microsoft Internet Explorer')
{
	defaultStepx=2.9
	defaultStep=2
}
else{
defaultStepx=1.6
defaultStep=0.9
}
step=defaultStep
stepx=defaultStepx 
function scrollDivDown(id){ 
document.getElementById(id).scrollTop+=stepx 
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
} 
/*alert(navigator.Microsoft Internet Explorer);*/
function toPoint(id){ 
document.getElementById(id).scrollTop=100 
}