scrollPos = 0
speed=1
scrollMe=""

function scrollDown() {
clearTimeout(scrollMe)
scrollPos +=speed
window.frames["frame1_name"].scrollTo(0,scrollPos)
scrollMe=setTimeout("scrollDown()",50)

if(scrollPos>window.frames["frame1_name"].document.body.scrollHeight - (parseInt(document.getElementById("frame1_id").style.height)-10)){

scrollPos=window.frames["frame1_name"].document.body.scrollHeight - (parseInt(document.getElementById("frame1_id").style.height)-10) 
clearTimeout(scrollMe)

}

}

function scrollUp() {
clearTimeout(scrollMe)
scrollPos -=speed
window.frames["frame1_name"].scrollTo(0,scrollPos)
scrollMe=setTimeout("scrollUp()",50)

if(scrollPos<speed){
scrollPos=0
clearTimeout(scrollMe)
}

}

function stopMe(){
clearTimeout(scrollMe)
}