<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>JS联动下拉框</title>
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<meta name="Originator" content="Microsoft Visual Studio .NET 7.1">
<script language="javascript" >
/*
** ==================================================================================================
** 类名:CLASS_LIANDONG_YAO
** 功能:多级连动菜单
**
** 作者:YAODAYIZI
** ==================================================================================================
**/
function CLASS_LIANDONG_YAO(array)
{
//数组,联动的数据源
this.array=array;
this.indexName='';
this.obj='';
//设置子SELECT
// 参数:当前onchange的SELECT ID,要设置的SELECT ID
this.subSelectChange=function(selectName1,selectName2)
{
//try
//{
var obj1=document.all[selectName1];
var obj2=document.all[selectName2];
var objName=this.toString();
var me=this;
obj1.onchange=function()
{
me.optionChange(this.options[this.selectedIndex].value,obj2.id)
}
}
//设置第一个SELECT
// 参数:indexName指选中项,selectName指select的ID
this.firstSelectChange=function(indexName,selectName)
{
this.obj=document.all[selectName];
this.indexName=indexName;
this.optionChange(this.indexName,this.obj.id)
}
// indexName指选中项,selectName指select的ID
this.optionChange=function (indexName,selectName)
{
var obj1=document.all[selectName];
var me=this;
obj1.length=0;
obj1.options[0]=new Option("请选择",'');
for(var i=0;i<this.array.length;i++)
{
if(this.array[i][1]==indexName)
{