图片跟随鼠标并快速旋转围绕的JS代码

答案：<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>图片快速旋转围绕的鼠标</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
</head>
<body>
<script language="JavaScript">
<!-- 
var images='/favicon.ico';
var amount=7;
var speed=1;
var RunTime = 0;
var cntr=0;
var xcntr=100;
var pulse=25;
var Xpos = 0;
var Ypos = 0;
var _y;
var temp;
/*If you use an image larger or smaller than the one I've used 
the cursor will be off center.Alter the 2 variables below to center it.*/
var UpDown=-10;
var LeftRight=-5;
if (document.all){
document.write('<div id="ieDiv" style="position:absolute;top:0px;left:0px">');
document.write('<div id="c" style="position:relative">');
for (n=0; n < amount; n++)
document.write('<img src="'+images+'" style="position:absolute;top:0px;left:0px;visibility:hidden">');
document.write('</div>');
document.write('</div>');
function FollowMouse(){
Xpos = document.body.scrollLeft+event.x+UpDown;
Ypos = document.body.scrollTop+event.y+LeftRight;
}
document.onmousemove = FollowMouse;
}
else if (document.layers){
window.captureEvents(Event.MOUSEMOVE);
function xFollowMouse(evnt){
Xpos = evnt.pageX+UpDown;
Ypos = evnt.pageY+LeftRight;
}
window.onMouseMove = xFollowMouse;
for (ns=0; ns < amount; ns++) 
document.write("<LAYER NAME='n"+ns+"' LEFT='0' TOP='0' VISIBILITY='HIDE'><IMG SRC='"+images+"'></LAYER>");
}
function msi(){
if (document.layers){
for ( i = 0 ; i < ns ; i++ )
{
temp="n"+i
document.layers[0].visibility='show';
document.layers[0].top = Ypos+cntr*Math.cos((RunTime+i*4.5)/5);
document.layers[0].left =Xpos+cntr*Math.sin((RunTime+i*4.5)/5);
}
cntr+=1;
RunTime+=speed;
stp=setTimeout('msi()',10);
if (cntr>=100)
{
cntr=100;
speed=2.5;
for ( i = 0 ; i < ns ; i++ )
{
 temp="n"+i
 document.layers[temp].visibility='show';
 document.layers[temp].top=Ypos+cntr*Math.cos((RunTime-100)*i/90);
 document.layers[temp].left=Xpos+cntr*Math.sin((RunTime-100)*i/90);
 }
}
if (RunTime>182)
{
speed=0.5;
for ( i = 0 ; i < ns ; i++ )
{
 temp="n"+i
 document.layers[temp].top=Ypos+xcntr*Math.cos(((RunTime-182)+i*4.5)/5);
 document.layers[temp].left=Xpos+xcntr*Math.sin(((RunTime-182)+i*4.5)/5)*Math.cos((RunTime-182)/5);
 }
}
}
else if (document.all){
for (i=0;i<ieDiv.all.c.all.length;i++)
{
ieDiv.all.c.all[0].style.visibility='visible';
ieDiv.all.c.all[0].style.top=Ypos+cntr*Math.cos((RunTime+i*4.5)/5);
ieDiv.all.c.all[0].style.left=Xpos+cntr*Math.sin((RunTime+i*4.5)/5);
}
cntr+=1;
RunTime+=speed;
stp=setTimeout('msi()',10);
if (cntr>=100)
{
cntr=100;
speed=2.5;
for (i=0;i<ieDiv.all.c.all.length;i++)
 {
ieDiv.all.c.all[i].style.visibility='visible';
ieDiv.all.c.all[i].style.top=Ypos+cntr*Math.cos((RunTime-100)*i/90);
ieDiv.all.c.all[i].style.left=Xpos+cntr*Math.sin((RunTime-100)*i/90);
 }
}
if (RunTime>182)
{
speed=0.5;
for (i=0;i<ieDiv.all.c.all.length;i++)
 {
ieDiv.all.c.all[i].style.top=Ypos+xcntr*Math.cos(((RunTime-182)+i*4.5)/5);
ieDiv.all.c.all[i].style.left=Xpos+xcntr*Math.sin(((RunTime-182)+i*4.5)/5)*Math.cos((RunTime-182)/5);
 }
}
}
if (RunTime>210)
{
xcntr-=10;
}
if (document.layers)
_y=-window.innerWidth-90;
else if (document.all)
_y=-document.body.clientWidth-90;
if (xcntr <= _y)
{
RunTime=0;
speed=1;
cntr=0;
xcntr=100;
}
}
msi()
//-->
</script>  
<script language="Javascript">
<!--
function selectAll(theField){
var tempval=eval("document."+theField)
tempval.focus()
tempval.select()
}
//-->
</script>
</body>
</html>
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