function showTown(id)
{
   if(id < 3){
       document.all.townRow1.style.display = 'none';
       document.all.townRow2.style.display = 'none';
   }else{
       document.all.townRow1.style.display = 'block';
       document.all.townRow2.style.display = 'block';
   }
}