JAVASCRIPT连动下拉列表定义数组

<form name=form1>

<select name=province onchange="cityName(this.selectedIndex)">

<option value="">请选择省名</option>

</select>

<select name=city>

<option value="">请选择城名</option>

</select>

</form>

<script language=javascript>

var provinceName = ["浙江", "江苏", "安徽", "江西"];

var city1 = ["杭州", "宁波", "温州", "绍兴", "金华", "湖州"];

var city2 = ["南京", "苏州", "无锡", "常州", "镇江", "徐州"];

var city3 = ["合肥", "翕县", "黄山", "祁门", "休宁"];

var city4 = ["南昌", "九江", "赣州", "上饶", "新余", "景德镇"];