function gotoTop(){
parent.main.window.scrollTo(0,0)
document.body.scrollTop=0
}


scroll_steps =100

function gotoTop2(){
timer=setTimeout("gotoTop()",10)
if(window.frames["main"].document.body.scrollTop >= scroll_steps){
window.frames["main"].scrollBy(0,-scroll_steps)
}
else{
clearTimeout(timer)
window.frames["main"].document.body.scrollTop=0
}
}