Javascript : Auto Scroll

17 Mar

<SCRIPT language=JavaScript1.2>
//change 1 to another integer to alter the scroll speed. Greater is faster
var speed=1
var currentpos=0,alt=1,curpos1=0,curpos2=-1

function initialize()
{
startit()
}

function scrollwindow()
{
if (document.all)
temp=document.body.scrollTop
else
temp=window.pageYOffset

if (alt==0)
alt=1
else
alt=0

if (alt==0)
curpos1=temp
else
curpos2=temp

if (curpos1!=curpos2)
{
if (document.all)
currentpos=document.body.scrollTop+speed
else
currentpos=window.pageYOffset+speed

window.scroll(0,currentpos)
}
else
{
currentpos=0
window.scroll(0,currentpos)
}
}

function startit()
{
setInterval(“scrollwindow()”,10)
}

window.onload=initialize

</SCRIPT>

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