javascript级联菜单
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<html xmlns="http://www.w3.org/1999/xhtml" lang="gb2312">
<head>
<head>
<title> 代码实例:级联菜单 </title>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<meta name="author" content="枫岩,CNLei.y.l@gmail.com">
</head>
<body>
<select id="BigCate" name="BigCate" size="1" onchange="Redirect(this.options.selectedIndex)">
<option value="">全市</option>
<option value="">主城区</option>
<option value="">分公司</option>
</select>
<select id="SmlCate" name="SmlCate" size="1">
<option value="1">全市</option>
</select>
<script type="text/javascript">
<!--
var groups = document.getElementById("BigCate").options.length;
var group = new Array(groups)
for (i = 0; i < groups; i ++)
group[i] = new Array()
group[0][0] = new Option("全市","ALL")
group[1][0] = new Option("北部新区局","CJ0")
group[1][1] = new Option("杨家坪局","CY0")
group[1][2] = new Option("沙坪坝局","CP0")
group[1][3] = new Option("观音桥局","CG0")
group[1][4] = new Option("上清寺局","CS0")
group[1][5] = new Option("南坪局","CN0")
group[2][0] = new Option("渝北电信公司","CF0")
group[2][1] = new Option("璧山电信公司","CA0")
group[2][2] = new Option("江津电信公司","CU0")
group[2][3] = new Option("合川电信公司","CK0")
group[2][4] = new Option("北碚电信公司","CI0")
group[2][5] = new Option("巴南电信公司","CB0")
group[2][6] = new Option("永川电信公司","CH0")
group[2][7] = new Option("万州电信公司","WW0")
group[2][8] = new Option("开县电信公司","WK0")
group[2][9] = new Option("涪陵电信公司","FH0")
group[2][10] = new Option("石柱电信公司","QS0")
group[2][11] = new Option("长寿电信公司","CC0")
group[2][12] = new Option("大足电信公司","CD0")
group[2][13] = new Option("双桥电信公司","CX0")
group[2][14] = new Option("潼南电信公司","CL0")
group[2][15] = new Option("荣昌电信公司","CR0")
group[2][16] = new Option("巫溪电信公司","WX0")
group[2][17] = new Option("忠县电信公司","WZ0")
group[2][18] = new Option("云阳电信公司","WY0")
group[2][19] = new Option("奉节电信公司","WF0")
group[2][20] = new Option("城口电信公司","WC0")
group[2][21] = new Option("丰都电信公司","FF0")
group[2][22] = new Option("南川电信公司","FL0")
group[2][23] = new Option("酉阳电信公司","QL0")
group[2][24] = new Option("秀山电信公司","QX0")
group[2][25] = new Option("彭水电信公司","QP0")
group[2][26] = new Option("綦江电信公司","CE0")
group[2][27] = new Option("万盛电信公司","CW0")
group[2][28] = new Option("铜梁电信公司","CT0")
group[2][29] = new Option("梁平电信公司","WL0")
group[2][30] = new Option("武隆电信公司","FW0")
group[2][31] = new Option("垫江电信公司","CZ0")
group[2][32] = new Option("黔江电信公司","QQ0")
var temp = document.getElementById("SmlCate");
function Redirect(x){
alert(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);
alert(group[x][i].value);
}
temp.options[0].selected = true
}
//-->
</script>
</body>
</html>
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