var navWnd;

// von MapWalker::Event::Query::Details.pm benutzt
function openNavWnd(target, imgWidth, imgHeight) {
  navWnd = window.open(target, 'Navigationshilfe', 
              'dependent=yes,resizable=no,status=no,alwaysRaised=yes' +
              ',width=' + imgWidth + 
              ',height=' + imgHeight + 
              ',left=' + (window.screen.width-imgWidth-8) + 
              ',top=50');
  navWnd.focus();
}

// direkt im LeftFrame verwendet
function closeNavWnd() {
  if ((navWnd != null) && (! navWnd.closed)) {
    navWnd.close();
  }
}

function refreshNavWnd(target, imgWidth, imgHeight) {
  if ((navWnd != null) && (! navWnd.closed)) {
    // Extrawurst für Konqueror, da sonst Main Frame endlos geladen wird
    if (navigator.appName.indexOf("Konqueror") >= 0)
        closeNavWnd();

    openNavWnd(target, imgWidth, imgHeight);
    if ((navigator.appName != "Netscape") &&
        (navigator.appName != "Konqueror")) {
      // der IE will extra gebeten werden
      navWnd.location.reload();
    }
  }
}