<script language="JavaScript">
<!----
var x = 5
var y = 5
var change = 10
var img, img_top,img_left

function move(){
if(document.layers)
{
img = eval("document.image")
img.top = img.top + x
img.left = img.left + y
if(img_top >= window.innerHeight) x = -x
if(img_left >= window.innerWidth) y= -y
if(img_top <= 0) x = 5
if(img_left <= 0) y = 5
}

else
{
img = eval("image.style")
img.posTop = img.posTop + x
img.posLeft = img.posLeft + y
img_top = img.posTop
img_left = img.posLeft
if(img_top >= document.body.clientHeight) x = -x
if(img_left >= document.body.clientWidth) y= -y
if(img_top <= 0) x = 5
if(img_left <= 0) y = 5
}

SetTimeout("move()", change) }
//---->
</SCRIPT>