//Manual Scroller- © Dynamic Drive 2001
//For full source code, visit http://www.dynamicdrive.com

//Code from [http://www.dynamicdrive.com/dynamicindex2/manualscroll.htm] modified 27 April 2007 for this site

function movedown(){
//stopscroll()
if (iens6&&parseInt(crossobj.style.top)>=(contentheight*(-1)+100))
crossobj.style.top=parseInt(crossobj.style.top)-50+"px"
else if (ns4&&crossobj.top>=(contentheight*(-1)+100))
crossobj.top-=50
}

function moveup(){

if (iens6&&parseInt(crossobj.style.top)<=-50)
crossobj.style.top=parseInt(crossobj.style.top)+50+"px"
else if (ns4&&crossobj.top<=0)
crossobj.top+=50
}


/*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"
}