样品怎么烘干:如下代码该怎样获取二级菜单的值存入数据库？？

<form name="tousu">
<script language="JavaScript">
<!--

var subval = new Array();
subval[0] = new Array('商品','110','家用电器')
subval[1] = new Array('商品','111','计算机通讯产品')
subval[2] = new Array('商品','112','服装服饰')
subval[3] = new Array('商品','113','烟酒食品')
subval[4] = new Array('商品','114','医药医疗用品')
subval[5] = new Array('商品','115','房屋装饰装修材料')
subval[6] = new Array('商品','116','农用生产资料')
subval[7] = new Array('商品','117','其它')
subval[8] = new Array('服务','220','水、电、气及供暖')
subval[9] = new Array('服务','221','餐饮洗浴娱乐')
subval[10] = new Array('服务','222','物业管理')
subval[11] = new Array('服务','223','房屋装修')
subval[12] = new Array('服务','224','咨询及中介服务')
subval[13] = new Array('服务','225','旅游服务')
subval[14] = new Array('服务','226','洗染服务')
subval[15] = new Array('服务','227','医疗服务')
subval[16] = new Array('服务','238','其它')

function changeselect1(locationid)
{
document.tousu.s2.length = 0;
document.tousu.s2.options[0] = new Option('==请选择==','');
for (i=0; i<subval.length; i++)
{
if (subval[i][0] == locationid)
{document.tousu.s2.options[document.tousu.s2.length] = new Option(subval[i][2],subval[i][1]);}
}
}

//-->
</script>

<select name="s1" onChange="changeselect1(this.value)">
<option>==请选择==</option>
<option value="商品">商品</option>
<option value="服务">服务</option>
</select>

<select name="s2" onChange="changeselect2(this.value)">
<option>==请选择==</option>
</select>

</form>