跟随鼠标旋转七彩光环背景特效

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把如下代码加入%26lt;body%26gt;区域中
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%26lt;SCRIPT LANGUAGE=%26quot;JavaScript%26quot;%26gt;
%26lt;!-- Original: Kurt Grigg (kurt.grigg@virgin.net) --%26gt;
%26lt;!-- Web Site: http://freespace.virgin.net/kurt.grigg --%26gt;

%26lt;!-- This script and many more are available free online at --%26gt;
%26lt;!-- The JavaScript Source!! http://javascript.internet.com --%26gt;

%26lt;!-- Begin
var Clrs = new Array(6);
Clrs[0] = 'ff0000';
Clrs[1] = '00ff00';
Clrs[2] = '000aff';
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Clrs[5] = 'fffff0';
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var xBase = 200;
var step;
var currStep = 0;
var Xpos = 1;
var Ypos = 1;
var Xs = 200;
var Ys = 400;
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window.captureEvents(Event.MOUSEMOVE);
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if (document.all) {
function MoveHandler() {
Xpos = document.body.scrollLeft+event.x;
Ypos = document.body.scrollTop+event.y;
}
document.onmousemove = MoveHandler;
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else if (document.layers) {
function xMoveHandler(evnt) {
Xpos = evnt.pageX;
Ypos = evnt.pageY;
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window.onMouseMove = xMoveHandler;
}
function Comet() {
if (document.all) {
yBase = window.document.body.offsetHeight / 4;
xBase = window.document.body.offsetWidth / 4;
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xBase = window.innerWidth / 4;
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step = 3;
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for ( j = 0 ; j %26lt; 14 ; j++ ) { //number of NS layers!
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{
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setTimeout(%26quot;Comet()%26quot;, 5);
}
Comet();
// End --%26gt;
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