if (iens6){
    document.write('</div></div>')
     crossobj=document.getElementById? document.getElementById("content") : document.all.content
     contentheight=crossobj.offsetHeight
    }
    else if (ns4){
     crossobj=document.nscontainer.document.nscontent
     contentheight=crossobj.clip.height
}

function movedown(){
    if (window.moveupvar) clearTimeout(moveupvar)
    if (iens6&&parseInt(crossobj.style.top)>=(contentheight*(-1)+100))
    crossobj.style.top=parseInt(crossobj.style.top)-speed+"px"
    else if (ns4&&crossobj.top>=(contentheight*(-1)+100))
    crossobj.top-=speed
    movedownvar=setTimeout("movedown()",5)
}

function moveup(){
    if (window.movedownvar) clearTimeout(movedownvar)
    if (iens6&&parseInt(crossobj.style.top)<=0)
    crossobj.style.top=parseInt(crossobj.style.top)+speed+"px"
    else if (ns4&&crossobj.top<=0)
    crossobj.top+=speed
    moveupvar=setTimeout("moveup()",5)
}

function stopscroll(){
    if (window.moveupvar) clearTimeout(moveupvar)
    if (window.movedownvar) clearTimeout(movedownvar)
}

function movetop(){
    stopscroll()
    if (iens6)
    crossobj.style.top=0+"px"
    else if (ns4)
    crossobj.top=0
}

function getcontent_height(){
    if (iens6)
    contentheight=crossobj.offsetHeight
    else if (ns4)
    document.nscontainer.document.nscontent.visibility="show"
}
window.onload=getcontent_height