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эффект волшебной палочки: разноцветные искорки
вы всегда можете просматреть пример

этот тэг вставляется в BODY
Выделить все

<LAYER NAME="a0" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#ffffff" CLIP="0,0,1,1"></LAYER>
<LAYER NAME="a1" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#fff000" CLIP="0,0,1,1"></LAYER>
<LAYER NAME="a2" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#ffa000" CLIP="0,0,1,1"></LAYER>
<LAYER NAME="a3" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#ff00ff" CLIP="0,0,1,1"></LAYER>
<LAYER NAME="a4" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#00ff00" CLIP="0,0,1,1"></LAYER>
<LAYER NAME="a5" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#FF00FF" CLIP="0,0,1,1"></LAYER>
<LAYER NAME="a6" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#FF0000" CLIP="0,0,1,1"></LAYER>
<LAYER NAME="a7" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#ffffff" CLIP="0,0,2,2"></LAYER>
<LAYER NAME="a8" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#fff000" CLIP="0,0,2,2"></LAYER>
<LAYER NAME="a9" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#ffa000" CLIP="0,0,2,2"></LAYER>
<LAYER NAME="a10" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#ff00ff" CLIP="0,0,2,2"></LAYER>
<LAYER NAME="a11" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#00ff00" CLIP="0,0,2,2"></LAYER>
<LAYER NAME="a12" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#0000ff" CLIP="0,0,2,2"></LAYER>
<LAYER NAME="a13" LEFT=10 TOP=10 VISIBILITY=SHOW BGCOLOR="#FF0000" CLIP="0,0,3,3"></LAYER>

<script language="JavaScript">
if (document.all){
with (document){
write('<div id="starsDiv" style="position:absolute;top:0px;left:0px">')
write('<div style="position:relative;width:1px;height:1px;background:#ffffff;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:1px;height:1px;background:#fff000;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:1px;height:1px;background:#ffa000;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:1px;height:1px;background:#ff00ff;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:1px;height:1px;background:#00ff00;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:1px;height:1px;background:#0000ff;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:1px;height:1px;background:#FF0000;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:#ffffff;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:#fff000;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:#ffa000;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:#ff00ff;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:#00ff00;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:#0000ff;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:3px;height:3px;background:#FF0000;font-size:3px;visibility:visible"></div>')
write('</div>')
}
}
var Clrs=new Array(6)
Clrs[0]='ff0000';
Clrs[1]='00ff00';
Clrs[2]='000aff';
Clrs[3]='ff00ff';
Clrs[4]='fff000';
Clrs[5]='fffff0';
if (document.layers)
{window.captureEvents(Event.MOUSEMOVE);}
var yBase = 200;
var xBase = 200;
var step;
var currStep = 0;
var Xpos = 1;
var Ypos = 1;

if (document.all)
{
  function MoveHandler(){
  Xpos = document.body.scrollLeft+event.x;
  Ypos = document.body.scrollTop+event.y;
  }
  document.onmousemove = MoveHandler;
}

else if (document.layers)
{
  function xMoveHandler(evnt){
  Xpos = evnt.pageX;
  Ypos = evnt.pageY;
  }
  window.onMouseMove = xMoveHandler;
}

function animateLogo() {
if (document.all)
{
 yBase = window.document.body.offsetHeight/4;
 xBase = window.document.body.offsetWidth/4;
}
else if (document.layers)
{
 yBase = window.innerHeight/4;
 xBase = window.innerWidth/4;
}

if (document.all)
{
 for ( i = 0 ; i < starsDiv.all.length ; i++ )
 {step=3;
  starsDiv.all[i].style.top = Ypos + yBase*Math.cos((currStep + i*4)/12)*Math.cos(0.7+currStep/200);
  starsDiv.all[i].style.left = Xpos + xBase*Math.sin((currStep + i*3)/10)*Math.sin(8.2+currStep/400);
  for (ai=0; ai < Clrs.length; ai++)
    {
     var c=Math.round(Math.random()*[ai]);
    }
    starsDiv.all[i].style.background=Clrs[c];
 }
}

else if (document.layers)
{
 for ( j = 0 ; j < 14 ; j++ ) //number of NS layers!
 {step = 4;
  var templayer="a"+j
  document.layers[templayer].top = Ypos + yBase*Math.sin((currStep + j*4)/12)*Math.cos(0.7+currStep/200);
  document.layers[templayer].left = Xpos + xBase*Math.sin((currStep + j*3)/10)*Math.sin(8.2+currStep/400);
  for (aj=0; aj < Clrs.length; aj++)
    {
     var c=Math.round(Math.random()*[aj]);
    }
    document.layers[templayer].bgColor=Clrs[c]; 
 }
}
currStep+= step;
setTimeout("animateLogo()", 10);
}
animateLogo();
// --></script>