var scrollspeed=1
var scrollupdate=60

function scrollbox() {
  var posn = parseInt(scroller.style.top)
  if (posn > (contentheight*-1)) {
    scroller.style.top=posn-scrollspeed
  }
  else {
    scroller.style.top=scrollerheight
  }
}

function scroller_init(){
  scroller=document.getElementById("scrollcontent")
  scrollerheight=parseInt(document.getElementById("scrollcontainer").offsetHeight)
  scroller.style.top=scrollerheight
  contentheight=scroller.offsetHeight
//  if (window.opera || navigator.userAgent.indexOf("Netscape/7")!=-1){ //if Opera or Netscape 7x, add scrollbars to scroll and exit
//    scroller.style.height=scrollerheight
//    scroller.style.overflow="scroll"
//    return
//  }
  setInterval("scrollbox()",scrollupdate)
}