<html>
<head>
<base href="<%=basePath%>">
<title>三級級聯</title>
<script type="text/javascript">
var arr = new Array();
arr[1]=new Array("成都",1,1,"");
arr[2]=new Array("綿陽",2,1,"");
arr[3]=new Array("大邑",3,1,"");
arr[11]=new Array("天津市",11,2,"");
arr[4]=new Array("北京市",4,2,"");
arr[5]=new Array("錦江區",5,"",1);
arr[6]=new Array("青羊區",6,"",1);
arr[7]=new Array("高新區",7,"",1);
arr[8]=new Array("和平區",8,"",2);
arr[12]=new Array("和平區1",12,"",3);
arr[13]=new Array("和平區2",13,"",4);
arr[14]=new Array("和平區3",14,"",11);
arr[9]=new Array("瀋陽",9,3,"");
arr[10]=new Array("瀋陽",10,3,"");
var one;
var two;
var three;
window.attachEvent("onload",initCallPurposeDetailPage);
function initCallPurposeDetailPage()//初始化頁面
{
one=document.getElementById("select");
two=document.getElementById("select1");
three=document.getElementById("select2");
}
function a(tValue)
{
if(tValue == 0){
two.length=1;//當我們選擇“請選擇”時設置全部 select 的大小
}
else{
two.length=1;
three.length=1;
for(i=1 ; i < arr.length;i++)
{
if((arr[i][2]==tValue)) {
two.options[two.length]=new Option(arr[i][0],arr[i][1]);
}
}
}
}
function b(tValue)
{
if(tValue == "0")
{
three.length=1;//當我們選擇“請選擇”時設置全部 select 的大小
}
else
{
three.length=1;
for(i=1 ; i < arr.length;i++)
{
if((arr[i][3]==tValue))
{
three.options[three.length]=new Option(arr[i][0],arr[i][3]);
}
}
}
}
</script>
</head>
<body>
<form action="" name="form1">
<select name="select" οnchange="a(this.value);">
<option value="0">
請選擇
</option>
<option value="1">
四川
</option>
<option value="2">
北京
</option>
<option value="3">
遼寧
</option>
</select>
<select name="select1" οnchange="b(this.value);">
<option value="0">
請選擇
</option>
</select>
<select name="select2">
<option>
請選擇
</option>
</select>
</form>
</body>
</html>
