// Netscape 3.0 compatibility test (for javascript image swapping)
compat = false;
if( parseInt( navigator.appVersion ) >= 3 ) { compat = true; }
// cache images for quick swapping
if( compat ) {
  top1on = new Image;(42,19)
  top1on.src = "news_o.gif";
  top1off = new Image;(42,19)
  top1off.src = "news.gif";

  top2on = new Image;(53,19)
  top2on.src = "verein_o.gif";
  top2off = new Image;(53,19)
  top2off.src = "verein.gif";

  top3on = new Image;(63,19)
  top3on.src = "termine_o.gif";
  top3off = new Image;(63,19);
  top3off.src = "termine.gif";

  top4on = new Image;(83,19)
  top4on.src = "ergebnisse_o.gif";
  top4off = new Image;(83,19)
  top4off.src = "ergebnisse.gif";

  top5on = new Image;(59,19)
  top5on.src = "jugend_o.gif";
  top5off = new Image;(59,19);
  top5off.src = "jugend.gif";

  top6on = new Image;(48,19)
  top6on.src = "fotos_o.gif";
  top6off = new Image;(48,19)
  top6off.src = "fotos.gif";

  top7on = new Image;(45,19)
  top7on.src = "links_o.gif";
  top7off = new Image;(45,19)
  top7off.src = "links.gif";

  top8on = new Image;(64,19)
  top8on.src = "kontakt_o.gif";
  top8off = new Image;(64,19)
  top8off.src = "kontakt.gif";

}

// swap images using the cached images
function glow(x, y) {
  if( compat ) {
    document.images[x].src=eval(y+'.src');
  }
}

function PopUp(url) {
  window.open(url,"Tennis", "height=600,width=718, scrollbars=yes" );
}

function load() {
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById("map"));
    map.addControl(new GLargeMapControl());
    map.addControl(new GMapTypeControl());
    map.setCenter(new GLatLng(50.074755,8.574142), 16, G_HYBRID_MAP);
    var marker1 = new GMarker(new GLatLng(50.074755,8.574142));
    GEvent.addListener(marker1, "click", function() {
      marker1.openInfoWindowHtml("Tennisanlage des TC-Schwanheim");
    });
    map.addOverlay(marker1);
    var marker2 = new GMarker(new GLatLng(50.075733,8.574421));
    GEvent.addListener(marker2, "click", function() {
      marker2.openInfoWindowHtml("Parkplätze");
    });
    map.addOverlay(marker2);

  }
}