Using XML to realize the dynamic relationship between country and province, cool! Recommended to join the essence for future reference.

<script>
<!--
/----------Boundless Domain-------------------/
/----------Hip-Hop Oh Hey-------------------/
/* Switch the function used by the state corresponding province * *
function Populatesheng ()
{
pri = main.country.options (main.country.selectedIndex). value;
var oxmldoc = new ActiveXObject (' MSXML ');
sURL = ' http://210.192.103.40/HAS_Client/UserReg/change_place_dshxml.asp?pri= ' + pri;

Oxmldoc.url = sURL;
var oroot=oxmldoc.root;
if (Oroot.children!= null)
{
Delete all options in the province selection box
for (Var i=main.province.options.length-1;i>=0;--i)
{
Main.province.options.remove (i)
}
var i=0;
Add options to the province selection box
while (I<oroot.children.length)
{
Oval = ORoot.children.item (i);
i=i+1;
Oname = ORoot.children.item (i);
Sval = Oval.text;
sname = Oname.text;