// Create the gmap
			var map = new GMap2(document.getElementById('map'));
			map.setCenter(new GLatLng(25, 5), 2);
			map.addControl(new GLargeMapControl());
			map.addControl(new GMapTypeControl());
			map.addControl(new GOverviewMapControl());
			map.addControl(new GScaleControl());
			map.enableDoubleClickZoom();
			map.enableContinuousZoom();
	
			// Create an icon
			function createIcon(color) {
				var icon = new GIcon();
				icon.image = 'http://labs.google.com/ridefinder/images/mm_20_'+color+'.png';
				icon.shadow = 'http://labs.google.com/ridefinder/images/mm_20_shadow.png';
				icon.iconSize = new GSize(12, 20);
				icon.shadowSize = new GSize(22, 20);
				icon.iconAnchor = new GPoint(6, 20);
				icon.infoWindowAnchor = new GPoint(5, 1);	
				return icon;
			}
			
			// Create a marker
			function createMarker(point, infoTabs, icon) {
				var marker = new GMarker(point, icon);
				// Show this markers index in the info window when it is clicked
				var html = infoTabs;
				//GEvent.addListener(marker, 'click', function() {marker.openInfoWindowHtml(html);});// for only html
				GEvent.addListener(marker, 'click', function() {marker.openInfoWindowTabsHtml(html);});// for infoTabs
				return marker;
			};
			
			// Create an observer marker
			function createObserverMarker(lon, lat, tab, color) {
				var point = new GLatLng(lat, lon);
				var infoTabs = [
				  tab
				];
				var marker = createMarker(point, infoTabs, createIcon(color));
				return marker;		
			}
	
			var observers = [];
			observers.push( createObserverMarker(-110.82277777778,29.319444444444 , new GInfoWindowTab('Observer', 'Observer: Salvador Aguirre<br/>Site: Ejido El Carmen, Hermosillo, Sonora'), 'red') );
observers.push( createObserverMarker(-79.7463888889,33.085 , new GInfoWindowTab('Observer', 'Observer: MARK DAVIS<br/>Site: MT PLEASANT SC'), 'red') );
observers.push( createObserverMarker(3.6166666666667,50.716666666667 , new GInfoWindowTab('Observer', 'Observer: MICHEL VANDEPUTTE<br/>Site: Ronse'), 'red') );
observers.push( createObserverMarker(3.6333333333333,50.716666666667 , new GInfoWindowTab('Observer', 'Observer: MICHEL VANDEPUTTE<br/>Site: Ellezelles'), 'red') );
observers.push( createObserverMarker(5.6666666666667,52.333333333333 , new GInfoWindowTab('Observer', 'Observer: KOEN MISKOTTE<br/>Site: Ermelo'), 'red') );
observers.push( createObserverMarker(6.7477777777778,52.295277777778 , new GInfoWindowTab('Observer', 'Observer: PETER VAN LEUTEREN<br/>Site: Borne'), 'red') );
observers.push( createObserverMarker(7.015,52.215 , new GInfoWindowTab('Observer', 'Observer: CARL JOHANNINK<br/>Site: Gronau'), 'red') );
observers.push( createObserverMarker(7.0152777777778,52.214722222222 , new GInfoWindowTab('Observer', 'Observer: CARL JOHANNINK<br/>Site: Gronau'), 'red') );
observers.push( createObserverMarker(7.0666666666667,52.255 , new GInfoWindowTab('Observer', 'Observer: CARL JOHANNINK<br/>Site: Gronau'), 'red') );
observers.push( createObserverMarker(7.1711111111111,48.039166666667 , new GInfoWindowTab('Observer', 'Observer: Yann Kempf<br/>Site: Griesbach - au - Val'), 'red') );
observers.push( createObserverMarker(14.599722222222,45.905833333333 , new GInfoWindowTab('Observer', 'Observer: JAVOR KAC<br/>Site: Vrh nad \v{Z}elimljami'), 'red') );
observers.push( createObserverMarker(15.725833333333,50.035 , new GInfoWindowTab('Observer', 'Observer: VILEM HEBLIK<br/>Site: PARDUBICE'), 'red') );
observers.push( createObserverMarker(17.396111111111,49.303888888889 , new GInfoWindowTab('Observer', 'Observer: Irena Divisova<br/>Site: Kromeriz'), 'red') );
observers.push( createObserverMarker(17.396111111111,49.303888888889 , new GInfoWindowTab('Observer', 'Observer: JAKUB KOUKAL<br/>Site: Kromeriz'), 'red') );
observers.push( createObserverMarker(17.396111111111,49.303888888889 , new GInfoWindowTab('Observer', 'Observer: SYLVIE GORKOVA<br/>Site: Kromeriz'), 'red') );
observers.push( createObserverMarker(20.75,53.0333333333 , new GInfoWindowTab('Observer', 'Observer: JAROSLAW DYGOS<br/>Site: CZERNICE BOROWE'), 'red') );
observers.push( createObserverMarker(112.44388888889,34.84 , new GInfoWindowTab('Observer', 'Observer: Minghui Liang<br/>Site: Mengjin Luoyang'), 'red') );
var mgr = new GMarkerManager(map);
			mgr.addMarkers(observers, 0);
			mgr.refresh();