function goUrl(sel,target){
  if (sel.value == "map")
window.open("map.html",null,"height=600,width=430,status=yes,toolbar=no,menubar=no,location=no");
  else if (sel.value != "none")
      window.open(sel.value,target);
}

function Swap(id,status){
    obj = document.getElementById(id);
    if (obj){
        obj.style.display = status;
    }
}