<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("北京市","13","1");
subcat[1] = new Array("唐山","14","5");
subcat[2] = new Array("邢台","14","4");
subcat[3] = new Array("保定","14","3");
subcat[4] = new Array("石家庄","14","2");
onecount=5;
function changelocation(locationid)
{
document.myform.smalllocation.length = 0;
document.myform.dlmc0.length = 0;
document.myform.dlmc0.options[0] = new Option('==请选择区、县==','');
var locationid=locationid;
var i;
document.myform.smalllocation.options[0] = new Option('==请选择市==','');
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>
<script language = "JavaScript">
var onecount2;
onecount2=0;
subcat2 = new Array();
subcat2[0] = new Array("石景山区","1","石景山区");
subcat2[1] = new Array("东城区","1","东城区");
subcat2[2] = new Array("朝阳区","1","朝阳区");
subcat2[3] = new Array("新华区","2","新华区");
subcat2[4] = new Array("裕华区","2","裕华区");
subcat2[5] = new Array("长安区","2","长安区");
subcat2[6] = new Array("北市区","3","北市区");
subcat2[7] = new Array("新市区","3","新市区");
subcat2[8] = new Array("邢台桥西区","4","邢台桥西区");
subcat2[9] = new Array("邢台桥东区","4","邢台桥东区");
subcat2[10] = new Array("古冶区","5","古冶区");
subcat2[11] = new Array("路南区","5","路南区");
subcat2[12] = new Array("路北区","5","路北区");
onecount2=13;
function changelocation2(villageid)
{
document.myform.dlmc0.length = 0;
var villageid=villageid;
var j;
document.myform.dlmc0.options[0] = new Option('==请选择区、县==','');
for (j=0;j < onecount2; j++)
{
if (subcat2[j][1] == villageid)
{
document.myform.dlmc0.options[document.myform.dlmc0.length] = new Option(subcat2[j][0], subcat2[j][2]);
}
}
}
</script>
</head>
<body>
<form action="untitled1.asp教程" method="post" name="myform">
<p><br>
<select name="biglocation" onChange="changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value)" size="1">
<option selected>请选择省</option>
<option value="13">北京</option>
<option value="14">河北省</option>
</select>
<select name="smalllocation" onChange="changelocation2(document.myform.smalllocation.options[document.myform.smalllocation.selectedIndex].value)">
<option selected value="">==请选择市==</option>
</select>
<select name="dlmc0" size="1">
<option value="-1" selected>==请选择区、县==</option>
</select>
xxx（如何在这里获得区、县下拉菜单的值？）</p>
<p> <br>
<input type="submit" name="Submit" value="Submit">
<br>
</p>
</form>
</body>
</html>