<html>
<head>
<title>List</title>
<meta   http-equiv="Content-Type"   content="text/html;   charset=gb2312">
<script   LANGUAGE="javascript">   
  <!--      
 var C01=[["001","蘋果"],["002","哈密瓜"]];
 var C02=[["006","茄子"]];
 function change(id,selected,t){
        var sel=document.getElementById(selected);
        sel.length=0;
        if(t)sel.options[0]=new Option('---請選擇---');
        var opts=window[id];
        if(opts){
            for(var i=0;i<opts.length;i++) 
                sel.options[sel.length] = new Option(opts[i][1],opts[i][0]);
        }
 }  
    
  //-->   
  </script>
</head>
<body>
<form>
  <select   name="biglocation"   onChange="change('C'+this.value,'smalllocation')">
    <option   value="01"   selected>水果</option>
    <option   value="02">蔬菜</option>
  </select>
  <select   name="smalllocation">
    <option   selected   value="">---請選擇---</option>
  </select>
</form>
</body>
</html>