// JScript File
var speed=3;
iens6=document.all||document.getElementById;
ns4=document.layers;

function movedownposition ( position ) 
{
    if (window.moveupvar) clearTimeout(moveupvar)
    if (iens6&&parseInt(crossobj.style.top)>=(contentheight*(-1)+240))
    crossobj.style.top=parseInt(crossobj.style.top)-position+"px"
    else if (ns4&&crossobj.top>=(contentheight*(-1)+240))
    crossobj.top-=position
    movedownvar=setTimeout("movedown()",20)
}

function movedown(){
    if (window.moveupvar) clearTimeout(moveupvar)
    if (iens6&&parseInt(crossobj.style.top)>=(contentheight*(-1)+240))
    crossobj.style.top=parseInt(crossobj.style.top)-speed+"px"
    else if (ns4&&crossobj.top>=(contentheight*(-1)+240))
    crossobj.top-=speed    
    movedownvar=setTimeout("movedown()",20)
}

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()",20)
}

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"
}