三层导航菜单-JS特效-爱易网页

三层导航菜单

日期：2014-05-18　浏览次数：20221 次

欢迎光临爱易网网页脚本特效中心，点击运行按钮演示特效：

以下是程序代码

脚本说明:
把如下代码加入<body>区域中
<div align="center">
<form name="isc">
<table border="0" cellspacing="0" cellpadding="0">
<tr align="center">
<td nowrap height="11">
<select name="example" size="1" onChange="redirect(this.options.selectedIndex)">
<option selected>◤爱易网◢</option>
<option>★CGI程序设计</option>
<option>★FLASH欣赏</option>
</select>
<select name="stage2" size="1" onChange="redirect1(this.options.selectedIndex)">         
<option value=" " selected></option>')         
<option value=" " selected>◤------第二层菜单------◢</option>  
<option value=" " selected>◤------第二层菜单------◢</option>  
</select>   
<select name="stage3" size="1" onChange="redirect2(this.options.selectedIndex)">        
<option value=" " selected></option>')         
<option value=" " selected>◤------第三层菜单------◢</option>   
<option value=" " selected>◤------第三层菜单------◢</option>   
</select></table> 
</form></div>   
<script language="JavaScript">
<!--
var groups=document.isc.example.options.length      
var group=new Array(groups)      
for (i=0; i<groups; i++)      
group[i]=new Array()      
      
group[0][0]=new Option("----第二层菜单----"," ");      
      
group[1][0]=new Option("」第一类"," ");      
group[1][1]=new Option("」第二类","47");      
group[1][2]=new Option("」第三类","46");      
group[1][3]=new Option("」第四类","45");      
      
group[2][0]=new Option("」第一类"," ");      
group[2][1]=new Option("」第二类","115");      
group[2][2]=new Option("」第三类","116");       
      
var temp=document.isc.stage2      
      
      
function redirect(x){      
for (m=temp.options.length-1;m>0;m--)      
temp.options[m]=null      
for (i=0;i<group[x].length;i++){      
temp.options[i]=new Option(group[x][i].text,group[x][i].value)      
}      
temp.options[0].selected=true      
redirect1(0)      
}      
      
      
      
var secondGroups=document.isc.stage2.options.length      
var secondGroup=new Array(groups)      
for (i=0; i<groups; i++)  {      
secondGroup[i]=new Array(group[i].length)      
for (j=0; j<group[i].length; j++)  {      
secondGroup[i][j]=new Array()  }}      
      
secondGroup[0][0][0]=new Option("----第三层菜单----"," ");      
secondGroup[1][0][0]=new Option("----第三层菜单----"," ");      
secondGroup[1][1][0]=new Option("」 第一节"," ");      
secondGroup[1][1][1]=new Option("」 第一节","../cgi/pagenew8.htm");      
secondGroup[1][1][2]=new Option("」 第一节","../cgi/pagenew8.htm");      
secondGroup[1][1][3]=new Option("」 第一节","../explain/route.htm");      
      
secondGroup[1][2][0]=new Option("」第三类"," ");      
secondGroup[1][2][1]=new Option("第二节","../cgi/pagenew7.htm");      
secondGroup[1][2][2]=new Option("第二节","../cgi/pagenew7.htm");      
secondGroup[1][2][3]=new Option("第二节","../explain/route.htm");      
      
secondGroup[1][3][0]=new Option("」第四类"," ");      
secondGroup[1][3][1]=new Option("第三节","../cgi/pagenew15.htm");      
secondGroup[1][3][2]=new Option("第三节","../explain/route.htm");      
      
secondGroup[2][0][0]=new Option("----第三层菜单----"," ");      
secondGroup[2][1][0]=new Option("」第三类"," ");      
secondGroup[2][1][1]=new Option("」第三节(1)","../pictures/cartoon/1.htm");      
secondGroup[2][1][2]=new Option("」第三节(2)","../pictures/cartoon/2.htm");      
secondGroup[2][1][3]=new Option("」第三节(3)","../pictures/cartoon/3.htm");      
      
secondGroup[2][2][0]=new Option("」第四类"," ");      
secondGroup[2][2][1]=new Option("第三节l(1)","../pictures/email/1.htm");      
secondGroup[2][2][2]=new Option("第三节(2)","../pictures/email/1.htm");      
      
var temp1=document.is</div></div>

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