七彩尾巴

語法說明：

在 Clrs=new Array('ff0000','00ff00','ffffff','ff00ff','ffa500','ffff00','00ff00','ffffff','ff00ff') 中修改滑鼠尾巴的色彩
在 amount=10; 中修改尾巴的大小
在 setTimeout("animateLogo()",50); 中修改尾巴跟隨的速度，數值越大就越慢，越小越快

<script LANGUAGE="JavaScript">

Clrs=new Array('ff0000','00ff00','ffffff','ff00ff','ffa500','ffff00','00ff00','ffffff','ff00ff')

amount=10;
Xpos = 0;
Ypos = 0;
if (document.layers){
for (i = 0; i < amount; i++)
{document.write('<layer name=nstrs'+i+' top=0 left=0 width='+i/2+' height='+i/2+' bgcolor=#ff0000></layer>')}
window.captureEvents(Event.MOUSEMOVE);
function nsMouse(evnt){
Xpos = evnt.pageX+1;
Ypos = evnt.pageY+4 -window.pageYOffset;
}
window.onMouseMove = nsMouse;
}
else if (document.all){
document.write('<div id="Div" style="position:absolute;top:0px;left:0px">'
+'<div style="position:relative">');
for (i = 0; i < amount; i++)
{document.write('<div id="ieDiv" style="position:absolute;top:0px;left:0px;width:'+i/2+';height:'+i/2+';font-size:'+i/2+'"></div>')}
document.write('</div></div>');
function ieMouse(){
Ypos = event.y+4;
Xpos = event.x+1;
}
document.onmousemove = ieMouse;
}
function animateLogo(){
S=(document.layers)?window.pageYOffset:0;
if (document.layers){
for (i = 0; i < amount; i++){
var randCol=Math.round(Math.random()*8);
document.layers['nstrs'+i].bgColor=Clrs[randCol];

if (i < amount-1){
 document.layers['nstrs'+i].top=document.layers['nstrs'+(i+1)].top;
 document.layers['nstrs'+i].left=document.layers['nstrs'+(i+1)].left;
 } 
else{
 document.layers['nstrs'+i].top = Ypos+S;
 document.layers['nstrs'+i].left =Xpos;
 }
}
}
else if (document.all){
Div.style.top=document.body.scrollTop;
for (i = 0; i <  amount; i++){
var randCol=Math.round(Math.random()*8);
ieDiv[i].style.background=Clrs[randCol];

if (i < amount-1) {
 ieDiv[i].style.top=ieDiv[i+1].style.top;
 ieDiv[i].style.left=ieDiv[i+1].style.left;
 } 
else{
 ieDiv[i].style.top = Ypos;
 ieDiv[i].style.left =Xpos;
 }
}
}

setTimeout("animateLogo()",50);
}
animateLogo();
-->
</script>