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下拉框连动的小例子(.htm版)

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【钢铁工人】 于 2000-11-2 9:47:51 加贴在 joy asp ↑:

<html>

<head>

<title>list</title>

<meta http-equiv="content-type" content="text/html; charset=gb2312">

<script language="javascript">

<!–

var onecount;

onecount=0;

subcat = new array();

subcat[0] = new array("徐汇区","01","001");

subcat[1] = new array("嘉定区","01","002");

subcat[2] = new array("黄浦区","01","003");

subcat[3] = new array("南昌市","02","004");

subcat[4] = new array("九江市","02","005");

subcat[5] = new array("上饶市","02","006");

onecount=6;

function changelocation(locationid)

{

document.myform.smalllocation.length = 0;

var locationid=locationid;

var i;

document.myform.smalllocation.options[0] = new option(====所有地区====,);

for (i=0;i < onecount; i++)

{

if (subcat[i][1] == locationid)

{

document.myform.smalllocation.options[document.myform.smalllocation.length] = new option(subcat[i][0], subcat[i][2]);

}

}

}

//–>

</script>

</head>

<body>

<form name="myform" method="post">

<select name="biglocation" onchange="changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedindex].value)">

<option value="01" selected>上海</option>

<option value="02">江西</option>

</select>

<select name="smalllocation">

<option selected value="">==所有地区==</option>

</select>

</form>

<script language="javascript">

<!–

changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedindex].value);

//–>

</script>

</body>

</html>

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