随鼠标的变化色块

效果显示看到了吧

脚本说明:
把如下代码加入<body>区域中
<script language="JavaScript">
<!-- 
if (document.all){
//To add more stars simply add more colours in below array!!
colours=new Array('ff0000','00ff00','3366ff','ff00ff','ffa500','ffffff','fff000')

//Alter nothing below!!
amount=colours.length;
YgetDelay=0,XgetDelay=0,Ydelay=0,Xdelay=0,step=0.2,currStep=0,my=0,mx=0;
document.write('<div id="ie" style="position:absolute;top:0;left:0;"><div style="position:relative">');
for (i=0; i < amount; i++)
document.write('<div id="iestars" style="position:absolute;top:0px;left:0px;height:50px;width:50px;font-family:Courier New;font-size:5px;color:'+colours[i]+';padding-top:20px;text-align:center">.</div>');
document.write('</div></div>');
ini=1;
gstep=1;
function iMouse(){
my=event.y;mx=event.x;
}
document.onmousemove=iMouse
function dim(){
ini-=gstep;
dt=setTimeout('dim()',10);
if (ini < 2){
clearTimeout(dt);
glow();
}
}
function glow(){
ini+=gstep;
gt=setTimeout('glow()',10);
if (ini > 14){
clearTimeout(gt);
dim();
}
}
function stars(){
ie.style.top=document.body.scrollTop;
for (i=0; i < amount; i++)
 {
 var layer=iestars[i].style; 
 layer.filter='glow(color='+colours[i]+', strength='+ini+')';
 layer.top= Ydelay+100*Math.sin((5*Math.sin((currStep-15.99)/10))+i*70)*Math.sin((currStep)/10)*Math.cos((currStep+i*25)/10); 
 layer.left=Xdelay+180*Math.cos((5*Math.sin((currStep-15.99)/10))+i*70)*Math.sin((currStep)/10)*Math.cos((currStep+i*25)/10);
 }
currStep+=step;
}
function delay(){
Ydelay = YgetDelay+=(my-YgetDelay)*1/20;
Xdelay = XgetDelay+=(mx-XgetDelay)*1/20;
stars();
setTimeout('delay()',10);
}
delay();
glow();
}
//-->
</script>