<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网页教学网</title>
</head>
<body>
<style type="text/css">
.dot { position: absolute; width: 6; height: 6; visibility: hidden; background-color: red; font-size: 1px; cursor: pointer; cursor: hand; z-index: 100 }
.dotoff { position: absolute; width: 6; height: 6; visibility: hidden; background-color: gray; font-size: 1px; cursor:default; z-index: 100}
.dotempty { position: absolute; width: 6; height: 6; visibility: hidden; background-color: orange; font-size: 1px; cursor: pointer; cursor: hand; zindex: 100 }
.caption { position: absolute; visibility: hidden; font-family: Tahoma; color: black;
font-size: 11px; text-align: Center; cursor: default; z-index:
1 }
body { margin: 0px; background-color: white; }
a { color: silver; text-decoration: none }
p { font-size: 10px; font-family: tahoma; color: black }
</style>
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function lib_bwcheck(){ //Browsercheck (needed)
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var bw=new lib_bwcheck()
// The code of this script is in the body, the browsercheck above is not used.
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<script language="javascript1.2" type="text/javascript">
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// DotMenu
// provides cross-browser functionality
//======================================
function getObjectRef(name) {
if(document.getElementById) return document.getElementById(name);
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// general functions to assist the script
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function getHeight(name) {
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if(this.parent) this.collapseAll(this.name);
var diff = 360 / this.subMenus.length;
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this.subMenus[i].show();
this.moving = true;
this.subMenus[i].slide(this.subMenus[i].radius * cos(degToRad((diff*i)+this.startAngle)), this.subMenus[i].radius * sin(degToRad((diff*i)+this.startAngle)), this.name + ".subMenus[" + i + "].showCaption();" + this.name + ".moving=false;" + this.name + ".state+=1;");
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getObjectRef(this.parent.caption).style.MozOpacity = "33%";
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getObjectRef(this.caption).style.filter = "alpha (opacity=66)";
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getObjectRef(this.caption).style.MozOpacity = "66%";
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this.collapse = function() {
var p = true;
p = !this.moving;
for(var i=0; i<this.subMenus.length;i++)
p = p && (this.subMenus[i].state==0) && (this.subMenus[i].moving==false);
if(p && this.subMenus.length > 0) {
for(var i=0;i<this.subMenus.length;i++){
this.subMenus[i].hideCaption();
this.moving = true;
this.subMenus[i].slide(0, 0, this.name + ".subMenus[" + i + "].hide();" + this.name + ".moving=false;" + this.name + ".state-=1;");
}
if(this.parent){
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getObjectRef(this.parent.ref).style.MozOpacity = "66%";
if(this.parent.subMenus.length != 0)
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getObjectRef(this.parent.ref).className = "dotempty";
getObjectRef(this.parent.caption).style.filter = "alpha (opacity=66)";
getObjectRef(this.parent.caption).style.MozOpacity = "66%";
for(i=0;i<this.parent.subMenus.length;i++) {
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