function changeAction( sAction){
   sFormAction = '';
   if (sAction=='members') {
      sFormAction = 'http://members.wcoipr.org/scripts/TTGlue.exe?wcoipr_members+frmMain';
      }
   if (sAction=='customs') {
      sFormAction = 'http://customs.wcoipr.org/scripts/TTGlue.exe?wcoipr_customs+frmMain';
      }
   document.logonbox.action = sFormAction;
}

function checkRadioBtn() {
   rbChecked = document.logonbox.LoginType[0].checked | document.logonbox.LoginType[1].checked;
   if (rbChecked ) {
      return true;
   }
   else {
      alert ("please select 'Customs' or 'Members'");
      return false;
   }
}