curtian ( overlay)

<style>
<!--
.intro{
position:absolute;
left:0;
top:0;
layer-background-color:green;
background-color:green;
border:0.1px solid green;
z-index:10;
}
-->
</style>

<div id="i1" class="intro"></div><div id="i2" class="intro"></div><div id="i3"
class="intro"></div><div id="i4" class="intro"></div><div id="i5" class="intro"></div><div
id="i6" class="intro"></div><div id="i7" class="intro"></div><div id="i8" class="intro"></div>
<script language="JavaScript1.2">

/*
Top-Down Curtain Script- Dynamic Drive (www.dynamicdrive.com)
For full source code, 100's more free DHTML scripts, and TOS,
visit [url]http://www.dynamicdrive.com[/url]
*/

var ns4=document.layers?1:0
var ie4=document.all?1:0
var ns6=document.getElementById&&!document.all?1:0

var speed=20
var temp=new Array()
var temp2=new Array()
if (ns4){
for (i=1;i<=8;i++){
temp[i]=eval("document.i"+i+".clip")
temp2[i]=eval("document.i"+i)
temp[i].width=window.innerWidth/8-0.3
temp[i].height=window.innerHeight
temp2[i].left=(i-1)*temp[i].width
}
}
else if (ie4||ns6){
var clipbottom=ns6?window.innerHeight:document.body.offsetHeight
cliptop=0
for (i=1;i<=8;i++){
temp[i]=ns6?document.getElementById("i"+i).style:eval("document.all.i"+i+".style")
temp[i].width=ns6?window.innerWidth/8-2:document.body.clientWidth/8
temp[i].height=ns6?window.innerHeight:document.body.offsetHeight
temp[i].left=(i-1)*parseInt(temp[i].width)
}
}
function openit(){
window.scrollTo(0,0)
if (ns4){
for (i=1;i<=8;i=i+2)
temp[i].bottom-=speed
for (i=2;i<=8;i=i+2)
temp[i].top+=speed
if (temp[2].top>window.innerHeight)
clearInterval(stopit)
}
else if (ie4||ns6){
clipbottom-=speed
for (i=1;i<=8;i=i+2){
temp[i].clip="rect(0 auto "+clipbottom+" 0)"
}
cliptop+=speed
for (i=2;i<=8;i=i+2){
temp[i].clip="rect("+cliptop+" auto auto auto)"
}
if (clipbottom<=0){
if (ns6){
for (i=1;i<=8;i++)
temp[i].display="none"
}
clearInterval(stopit)
}
}
}
function gogo(){
stopit=setInterval("openit()",100)
}
gogo()
</script>