function displaydesc(which)
{
  if (document.getElementById)
  {
    var longstring   = which.value;
    var brokenstring = longstring.split("|");
    document.getElementById('radius_center_lat').value = brokenstring[0];
    document.getElementById('radius_center_lon').value = brokenstring[1];
    document.getElementById('choiceradius').checked = true;
  }
}
function setradiuschoice()
{
  document.getElementById('choiceradius').checked = true;
}
function setregionchoice()
{
  document.getElementById('choiceregion').checked = true;
}