<Script>
function Sheng_Change()
{
var str1;
str1 = document.Shi.value;
document.address.value = "中国" + document.Sheng.value + str1;
}
function Shi_Change()
{
var str1;
str1 = document.Sheng.value;
document.address.value = "中国" + str1+ document.Shi.value ;
}
</Script>
<select name= "Sheng" onChange="Sheng_Change()">
</select>
<select name="Shi" onChange="Shi_Change()">
</Select>
function Sheng_Change()
{
var str1;
str1 = document.Shi.value;
document.address.value = "中国" + document.Sheng.value + str1;
}
function Shi_Change()
{
var str1;
str1 = document.Sheng.value;
document.address.value = "中国" + str1+ document.Shi.value ;
}
</Script>
<select name= "Sheng" onChange="Sheng_Change()">
</select>
<select name="Shi" onChange="Shi_Change()">
</Select>
<option>
浙江</option>
</select>
<select id='cs' onchange="aa(this);">
<option >
临安
</option>
<option >
ag
</option>
</select>
<input type=text>
<script>
function aa(othis)
{
othis.insertAdjacentHTML('afterEnd',sf.options[sf.selectedIndex].text + cs.options[cs.selectedIndex].text)
}
</script>