function form_data(selectid)
{
if(selectid != "")
{
 $.post("form_data",{country:selectid}, function(data){
  $('#province').html(data);
  }); 
}
}

function dropdown_disable()
{
	selectid=document.getElementById('country').value;
	if(selectid != "")
	{
	form_data(selectid);
	} 
}