var mapa = function (id) {
	this.ukazAdresu  = function (bod) {
		this.mapa.setCenter (bod, this.priblizeni);
	}

	this.vytvorZnacku = function (index, informace) {
		var znackaMoznosti = {draggable : false};
		var znacka = new GMarker (new GLatLng(informace['lat'], informace['lng']), znackaMoznosti);

		var htmlZnacky = "<div class=\"vypisTextuMapa\"><span class=\"mapaNadpis\">" + informace['nazev'] + "</span><span class=\"mapaPopis\">" + informace['popis'] + "</span><span class=\"mapaOdkaz\"><a href=\"" + informace['url']+ "\" title=\"přejít na portál\">přejít na portál</a></span><br /></div>";

		var oknoMoznosti = {maxWidth:460};
		GEvent.addListener (znacka, "click", function() {
			znacka.openInfoWindowHtml (htmlZnacky, oknoMoznosti);
		});
		GEvent.addDomListener (document.getElementById (index), "click", function() {
			znacka.openInfoWindowHtml (htmlZnacky, oknoMoznosti);
		});
		GEvent.addDomListener (document.getElementById ('kraje' + index), "click", function() {
			znacka.openInfoWindowHtml (htmlZnacky, oknoMoznosti);
		});
		GEvent.addDomListener (document.getElementById ('okresy' + index), "click", function() {
			znacka.openInfoWindowHtml (htmlZnacky, oknoMoznosti);
		});
		
		return znacka;
	}
	
	this.nactiPortaly = function (zaznamy) {
		var znacka;
		//var j;
		for (var i in zaznamy) {
			//if (j>= 0 && j < 30) {
				znacka = this.vytvorZnacku (i, zaznamy[i]);
				this.mapa.addOverlay (znacka);
			//}
			//j++;
		}
	}

	this.nastavMapu = function (bod) {
		this.mapa.setCenter (bod, this.priblizeni);
	}

	if (GBrowserIsCompatible ()) {
		//nacteni prvotnich souradnic
		var pocatecniPozice = new GLatLng (49.866316729538674, 15.457763671875);
		this.priblizeni = 7;
		this.cile = new Array ();
		
		this.mapa = new GMap2 (document.getElementById (id));
		this.mapa.setCenter (pocatecniPozice, this.priblizeni);
		this.mapa.addControl (new GLargeMapControl ());
		this.mapa.addMapType (G_PHYSICAL_MAP);
		this.mapa.addControl (new GHierarchicalMapTypeControl ());
		this.mapa.addControl (new GOverviewMapControl ());
		this.mapa.addControl (new GScaleControl ());
	}
};