State=new Array;
State[0]=new Array ("-","0");
State[1]=new Array ("-","0","北區","1","中區","4","新口岸","5","西灣","7","下環","8","黑沙環","10","筷子基","11");
State[2]=new Array ("-","0","氹仔區","2");
State[3]=new Array ("-","0","路環市區","3");
State[4]=new Array ("-","0","國內","12");

function setCity(form,StateID) {
  if (StateID==null) {
    var CityValue=form.StateID.value;
  } else {
    var CityValue=StateID;
  }
  var CityName=State[CityValue];
  form.CityID.length=0;
  var j=0;
  if (!CityName) {
    form.CityID.options[0]=new Option();
    form.CityID.options[0].value=0;
  } else {
    for (var i=1;i<=CityName.length/2;i++) {
      form.CityID.options[i-1]=new Option(CityName[j]);
      form.CityID.options[i-1].value=CityName[j+1];
      j=j+2;
    }
  }
}