<style
type="text/css">
.star {
position:absolute;
layer-background-color:white;
visibility:visible;
top:-50px;
width:50px;
height:50px;
font-size:1px;
background-color:white;
}
</style>
<script
language="javascript"
type="text/javascript">
if
(document.all)
{
document.bgColor='black';
var
starnum =
75;
var
_all =
'all.';
var
_style =
'.style';
var
xoffset,
yoffset,
w_x,
w_y,
tmpx,
tmpy,
scrlx,
scrly;
function
getstartpos(obj)
{
obj.deltay
=
Math.floor(Math.random()
*
12);
obj.deltax
=
Math.floor(Math.random()
*
12);
obj.xdir
=
(Math.floor(Math.random()
*
2)
==
1)
?
'+'
:
'-';
obj.ydir
=
(Math.floor(Math.random()
*
2)
==
1)
?
'+'
:
'-';
obj.counter
=
1;
obj.width
=
1;
obj.height
=
1;
obj.pixelTop
=
yoffset+document.body.scrollTop;
obj.pixelLeft
=
xoffset+document.body.scrollLeft;
}
function
movestar(starN)
{
tmpx
=
starN.deltax*starN.counter+starN.counter;
tmpy
=
starN.deltay*starN.counter+starN.counter;
starN.width
=
starN.counter/3;
starN.height
=
starN.counter/3;
scrlx
=
document.body.scrollLeft;
scrly
=
document.body.scrollTop;
if
((starN.pixelLeft+tmpx
>=
w_x+scrlx)||(starN.pixelTop+tmpy
>=
w_y+scrly)
||
(starN.pixelLeft-tmpx
<=
scrlx)||(starN.pixelTop-tmpy
<=
scrly))
{
getstartpos(starN);
}
else
{
eval('starN.pixelTop'+starN.ydir+'=tmpy');
eval('starN.pixelLeft'+starN.xdir+'=tmpx');
}
starN.counter++;
}
function
animate()
{
for(i=1;
i <=
starnum;
i++)
{
movestar(eval('star'+i));
}
setTimeout('animate()',
100);
}
function
findwindowparams()
{
w_x
=
document.body.clientWidth;
w_y
=
document.body.clientHeight;
xoffset
=
w_x /
2;
yoffset
=
w_y /
2;
for
(i
=
1;
i <=
starnum;
i++)
{
getstartpos(eval('star'+i));
}
}
window.onresize
=
findwindowparams;
window.onload
=
new
Function("findwindowparams();
animate();");
for
(i
=
1;
i <=
starnum;
i++)
{
document.writeln('<div
id="star'+i+'"
class="star"></div>');
eval('var
star'+i+'=document.'+_all+'star'+i+_style);
}
}
</script>
