var GeoInfo = null;
var Map = null;

function load()
{
  if (GBrowserIsCompatible()) {
    Map = new GMap2(document.getElementById("map"));
    Map.setCenter(new GLatLng(19.97, 13.71), 2);

    Map.addControl (new GLargeMapControl());
//    Map.addControl (new GOverviewMapControl());
    Map.enableScrollWheelZoom();

    /* Just instantiating new gkbhndlr is good enough; keyboard events will happen. */
    var kk = new GKeyboardHandler (Map);

    /*
    var m = new GMarker(new GLatLng (33.6, -117.7));
    Map.addOverlay (m);
     */
  }
}


function get_geoinfo()
{
  Map.clearOverlays();
  HTTP.getText ("http://www.tlg.uci.edu/demo/g2",
		function (response)
		{
		  GeoInfo = eval ('(' + response + ')');
		  var GCoder = new GClientGeocoder();

		  for (var i = 0; i < GeoInfo.length; ++i)
		  {
		    if (GeoInfo[i].latitude != "")
		    {
		      var instPt = new GMarker (new GLatLng (parseFloat (GeoInfo[i].latitude),
							     parseFloat (GeoInfo[i].longitude)));
		      var instInfo = '<b>' + GeoInfo[i].inst_name + '</b>';
		      Map.addOverlay (instPt);
		      var instFn = (function () {
				      var inf = instInfo;
				      var pt = instPt;
				      return function () {
					pt.openInfoWindowHtml (inf);
				      };
				    })();
		      GEvent.addListener (instPt, "click", instFn);
		    }
		    else
		    {

		      var address = GeoInfo[i].city + ", " + GeoInfo[i].region + ", " + GeoInfo[i].country;
		      var ip = GeoInfo[i].ip;
		      var inst_name = GeoInfo[i].inst_name;
		      var infoHTML = '';
		      infoHTML += inst_name == '' ? '' :  '<b>' + inst_name + '</b><br>';
		      infoHTML += GeoInfo[i].city + (GeoInfo[i].region == GeoInfo[i].city ? '' : ', ' + GeoInfo[i].region)
			+ '<br>' + GeoInfo[i].country;
		      var f = (function () {
				 var info = infoHTML;
				 var addr = address;
				 return function (pt) {
				   if (pt != null)
				   {
				     var m = new GMarker (pt);
				     Map.addOverlay (m);
				     GEvent.addListener (m, "click", function () {m.openInfoWindowHtml (info);});
				   }
				   else
				   {
				     // if (console != undefined && console.log != undefined) console.log ('problem for ' + addr);
				   }
				 };
			       })();

		      GCoder.getLatLng (address, f);
		    }
		  } /* for */
		}); /* getText */
  // for (var i = 0; i < k1.length; ++i) console.log(k1[i]());
}