Code
<style>
<!--
.intro{
position:absolute;
left:0;
top:0;
layer-background-color:white;
background-color:white;
border:0.1px solid white;
z-index:8;
}
-->
</style>
<div id="i1" class="intro"></div>
<script language="JavaScript1.2">
/*
Boxing In Script-© Dynamic Drive (www.dynamicdrive.com)
For source code, installation instructions, 100's DHTML scripts, and TOS,
visit http://www.dynamicdrive.com
*/
var ns4=document.layers?1:0
var ie4=document.all?1:0
var ns6=document.getElementById&&!document.all?1:0
//change speed here
var speed=5
if (ns4){
var reference=window.innerWidth/window.innerHeight
var temp=eval("document.i1.clip")
temp.left=temp.top=0
temp.right=window.innerWidth
temp.bottom=window.innerHeight
}
else if (ie4||ns6){
var reference=ns6?parseInt(window.innerWidth)/window.innerHeight: document.body.clientWidth/document.body.clientHeight
var rightclip,leftclip,topclip,bottomclip
var temp=ns6?document.getElementById("i1").style:document.all.i1.style
topclip=leftclip=0
rightclip=temp.width=ns6?window.innerWidth*0.98:docu ment.body.clientWidth
bottomclip=temp.height=ns6?window.innerHeight-2:document.body.clientHeight
}
function doit(){
window.scrollTo(0,0)
if (ns4){
if (temp.left>window.innerWidth/2)
clearInterval(stopit)
temp.left+=reference*speed
temp.top+=speed
temp.right-=reference*speed
temp.bottom-=speed
}
else if (ie4||ns6){
halfofbrowser=ns6?parseInt(window.innerWidth/2):document.body.clientWidth/2
if (leftclip>halfofbrowser){
clearInterval(stopit)
temp.display="none"
}
temp.clip="rect( "+topclip+" "+rightclip+" "+bottomclip+" "+leftclip+")"
leftclip+=reference*speed
topclip+=speed
rightclip-=reference*speed
bottomclip-=speed
}
}
stopit=setInterval("doit()", 100)
</script>
Сдвижной фон внутрь белым квадратиком