var SU;
var SD;
function SUp(e){
document.getElementById(e).scrollTop+=2;
}
function SDown(e){
document.getElementById(e).scrollTop-=2;
}

function ScrollUp(e,Speed){
//alert()
SU = setInterval('SUp("'+e+'")',Speed);
}

function ScrollDown(e,Speed){
SD = setInterval('SDown("'+e+'")',Speed);
}

function clearScroll(way){
clearInterval(way)}