javascript 无限联动菜单效果代码

Selects

*{font-size:14px;}
select{height:20px;font-size:12px;}

2级联动

3级联动

4级联动

5级联动

var Sys = (function(ua){
var s = {};
s.IE = ua.match(/msie ([\d.]+)/)?true:false;
s.Firefox = ua.match(/firefox\/([\d.]+)/)?true:false;
s.Chrome = ua.match(/chrome\/([\d.]+)/)?true:false;
s.IE6 = (s.IE&&([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 6))?true:false;
s.IE7 = (s.IE&&([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 7))?true:false;
s.IE8 = (s.IE&&([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 8))?true:false;
return s;
})(navigator.userAgent.toLowerCase());
Sys.IE6&&document.execCommand("BackgroundImageCache", false, true);
function $(Id){
return document.getElementById(Id);
};
function $$(p,e){
return p.getElementsByTagName(e);
};
function addListener(element,e,fn){
element.addEventListener?element.addEventListener(e,fn,false):element.attachEvent("on" + e,fn);
};
function removeListener(element,e,fn){
element.removeEventListener?element.removeEventListener(e,fn,false):element.detachEvent("on" + e,fn);
};
var Bind = function(object, fun) {
var args = Array.prototype.slice.call(arguments).slice(2);
return function() {
return fun.apply(object, args);
};
};
var BindAsEventListener = function(object, fun) {
var args = Array.prototype.slice.call(arguments).slice(2);
return function(event) {
return fun.apply(object, [event || window.event].concat(args));
};
};
var Extend = function(destination, source){
for (var property in source) {
destination[property] = source[property];
};
};
var Class = function(properties){
var _class = function(){return (arguments[0] !== null && this.initialize && typeof(this.initialize) == 'function') ? this.initialize.apply(this, arguments) : this;};
_class.prototype = properties;
return _class;
};
//==========================================================================================================================
var Selects = new Class({
initialize :function(container,data,title){
this.container = container;
this.num = title.length;
this.Events = new Array(title.length-1);
var i,l,select;
for(i=0; i

[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]