if (iens6)
{
	var crossobj=document.getElementById? document.getElementById("content") : document.all.content
	var contentheight=crossobj.offsetHeight

    if (thisPageScrolls)
    {
	// hide up arrow on load
	var thisArrowUp = document.getElementById("arrorUp");
	thisArrowUp.style.visibility = "hidden";
   }
}
else if (ns4)
{
	var crossobj=document.nscontainer.document.nscontent
	var contentheight=crossobj.clip.height
}

function movedown(){
if (thisPageScrolls)
{
    if (iens6&&parseInt(crossobj.style.top)>=(contentheight*(-1)+100))
    {
    	crossobj.style.top=parseInt(crossobj.style.top)-speed+"px";
    	var thisArrowUp = document.getElementById("arrorUp");
    	thisArrowUp.style.visibility = "visible";
    }
    else if (ns4&&crossobj.top>=(contentheight*(-1)+100))
    crossobj.top-=speed
    movedownvar=setTimeout("movedown()",20)
    }
}
function moveup()
{
    if (thisPageScrolls)
    {
    	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 moveToTop(){
	// scroll text pane back to the top
	if (iens6&&parseInt(crossobj.style.top)<=0)
	{
		crossobj.style.top =0;
	} 
	else if (ns4&&crossobj.top<=0)
	{
	crossobj.top=0;
	}
}

function getcontent_height()
{
	if (iens6)
	{
		contentheight=crossobj.offsetHeight
	}
	else if (ns4)
	{
	document.nscontainer.document.nscontent.visibility="show"
	}
    var thisArrowDown = document.getElementById("arrorDown");
    if (contentheight < 332) {
        thisArrowDown.style.visibility = "hidden";
        thisPageScrolls = false;
    }
}