var map;
var geocoder;
var jahecarregat;
var hanPassatUid;
function load() {
	
	MM_preloadImages('http://labs.google.com/ridefinder/images/mm_20_shadow.png','http://labs.google.com/ridefinder/images/mm_20_green.png','http://labs.google.com/ridefinder/images/mm_20_red.png');
	
        
        
    	
    	
	
	
	map = new GMap2(document.getElementById("map"));
	GEvent.addListener(map, "dragend", function() {
		carregaPois(document.geoposiciona.category[document.geoposiciona.category.selectedIndex].value);
	});
	GEvent.addListener(map, "zoomend", function() {
		carregaPois(document.geoposiciona.category[document.geoposiciona.category.selectedIndex].value);
		// recarregaBanners();
	});

	map.setCenter(new GLatLng(41.610043,2.290830), 17);
	geocoder = new GClientGeocoder();
      
	// Afegeixo els botons
	map.addControl(new GLargeMapControl ());
	map.addControl(new GMapTypeControl());
	
	carregaPois(document.geoposiciona.category[document.geoposiciona.category.selectedIndex].value);
	if (hanPassatUid == 1){mostraUid(nomempresa, desc_empresa, telefon, adreca, nompoblacio, barri, x, y);}
}

function recarregaBanners(){
	if (jahecarregat == 1){
		document.getElementById("bannerdalt").src = document.getElementById("bannerdalt").src;
		document.getElementById("bannerdreta1").src = document.getElementById("bannerdreta1").src;
		document.getElementById("bannerdreta2").src = document.getElementById("bannerdreta2").src;
		document.getElementById("bannerdreta3").src = document.getElementById("bannerdreta3").src;
		document.getElementById("bannerdreta4").src = document.getElementById("bannerdreta4").src;
	}
	jahecarregat = 1;
}

// addAddressToMap() is called when the geocoder returns an
// answer.  It adds a marker to the map with an open info window
// showing the nicely formatted version of the address and the country code.
function addAddressToMap(response) {
	carregaPois(document.geoposiciona.category[document.geoposiciona.category.selectedIndex].value);
	if (!response || response.Status.code != 200) {
		alert("Ho sento, no he trobat l'adreça " + document.geoposiciona.q.value + ". Prova-ho de nou.");
	}
	else {
		place = response.Placemark[0];
		point = new GLatLng(place.Point.coordinates[1],
		place.Point.coordinates[0]);
                          
		var comunitat = place.AddressDetails.Country.AdministrativeArea.AdministrativeAreaName;
		var provincia = place.AddressDetails.Country.AdministrativeArea.SubAdministrativeArea.SubAdministrativeAreaName;
		var poblacio = place.AddressDetails.Country.AdministrativeArea.SubAdministrativeArea.Locality.LocalityName;
		var adreca = place.AddressDetails.Country.AdministrativeArea.SubAdministrativeArea.Locality.Thoroughfare.ThoroughfareName;
		var cp = place.AddressDetails.Country.AdministrativeArea.SubAdministrativeArea.Locality.PostalCode.PostalCodeNumber;
		var geoxy = place.Point.coordinates;
	
		var puntet=new GIcon();
        	puntet.shadow="http://labs.google.com/ridefinder/images/mm_20_shadow.png";
        	puntet.iconSize=new GSize(12,20);
        	puntet.shadowSize=new GSize(22,20);
        	puntet.iconAnchor=new GPoint(6,20);
        	puntet.infoWindowAnchor=new GPoint(6,1);
        	puntet.infoShadowAnchor=new GPoint(13,13);
        	puntet.image = "http://labs.google.com/ridefinder/images/mm_20_green.png";
        	var puntet_verd = new GIcon(puntet);

	
		marker = new GMarker(point, puntet_verd);

		map.addOverlay(marker);
		marker.openInfoWindowHtml('Hem trobat aquí:<br><b>' + adreca + '</b><br>' + cp + ', ' + poblacio + '<br>' + provincia + '<br><b>Latitud/Longitud:</b><br>' + geoxy);
	}
}

function mostraUid(nomempresa, desc_empresa, telefon, adreca, nompoblacio, barri, x, y){
	carregaPois(document.geoposiciona.category[document.geoposiciona.category.selectedIndex].value);
	point = new GLatLng(y,x);
	document.geoposiciona.q.value = adreca + ", " + nompoblacio + ", Barcelona";
	/*
	var comunitat = place.AddressDetails.Country.AdministrativeArea.AdministrativeAreaName;
	var provincia = place.AddressDetails.Country.AdministrativeArea.SubAdministrativeArea.SubAdministrativeAreaName;
	var poblacio = place.AddressDetails.Country.AdministrativeArea.SubAdministrativeArea.Locality.LocalityName;
	var adreca = place.AddressDetails.Country.AdministrativeArea.SubAdministrativeArea.Locality.Thoroughfare.ThoroughfareName;
	var cp = place.AddressDetails.Country.AdministrativeArea.SubAdministrativeArea.Locality.PostalCode.PostalCodeNumber;
	var geoxy = place.Point.coordinates;
	*/
	
	var puntet=new GIcon();
        puntet.shadow="http://labs.google.com/ridefinder/images/mm_20_shadow.png";
        puntet.iconSize=new GSize(12,20);
        puntet.shadowSize=new GSize(22,20);
        puntet.iconAnchor=new GPoint(6,20);
        puntet.infoWindowAnchor=new GPoint(6,1);
        puntet.infoShadowAnchor=new GPoint(13,13);
       	puntet.image = "http://labs.google.com/ridefinder/images/mm_20_red.png";
        var puntet_vermell = new GIcon(puntet);
	
	marker = new GMarker(point, puntet_vermell);
	if (telefon == ""){telefon="n/a";}
	map.addOverlay(marker);
	marker.openInfoWindowHtml("<table width='300'><tr><td class='linkat'><b>"+ nomempresa + "</b><br>" + desc_empresa + "<br><b>Tel:</b> " + telefon + "<br><b>" + adreca + "</b><br>" + nompoblacio + " (" + barri + ")</td></tr></table>");
}

// showLocation() is called when you click on the Search button
// in the form.  It geocodes the address entered into the form
// and adds a marker to the map at that location.
function showLocation() {
	// recarregaBanners();
	var address = document.geoposiciona.q.value;
	map.clearOverlays();
	geocoder.getLocations(address, addAddressToMap);
}

// findLocation() is used to enter the sample addresses into the form.
function findLocation(address) {
	document.geoposiciona.q.value = address;
	showLocation();
}
    
    
function carregaPois(category){
	map.clearOverlays();
	var bounds = map.getBounds();
	var zoomLevel = map.getZoom();
	var bottom_down = bounds.getSouthWest();
	var top_right = bounds.getNorthEast();
		
	GDownloadUrl("/mapa/mostra_punts.php?bottom_down=" + bottom_down + "&top_right=" + top_right + "&category=" + category + "&zoom=" + zoomLevel, function(data) {
		var xml = GXml.parse(data);
		var markers = xml.documentElement.getElementsByTagName("marker");
		for (var i = 0; i < markers.length; i++) {
			var point = new GLatLng(parseFloat(markers[i].getAttribute("lat")),
						parseFloat(markers[i].getAttribute("lng")));
        		    		
			var logoample = markers[i].getAttribute("logoample");
			var logoalt = markers[i].getAttribute("logoalt");
        		    		
			var uid = markers[i].getAttribute("uid");
			map.addOverlay(createMarker(point, uid, logoample, logoalt));
		}
	});

}

function createMarker(point, uid, logoample, logoalt) {
	var sitefoto;
	if (logoample != ""){
    	   	var baseIcon = new GIcon();
	        baseIcon.iconSize = new GSize(logoample,logoalt);
	        baseIcon.iconAnchor = new GPoint(9, 34);
        	baseIcon.infoWindowAnchor = new GPoint(9, 2);
        	baseIcon.infoShadowAnchor = new GPoint(18, 25);
    	
    		var icon = new GIcon(baseIcon);
        	icon.image = "http://www.badaweb.com/logos/mapa/" + uid + ".png";
        	var marker = new GMarker(point, icon);
        }
        else {
        	var puntet=new GIcon();
        	puntet.shadow="http://labs.google.com/ridefinder/images/mm_20_shadow.png";
        	puntet.iconSize=new GSize(12,20);
        	puntet.shadowSize=new GSize(22,20);
        	puntet.iconAnchor=new GPoint(6,20);
        	puntet.infoWindowAnchor=new GPoint(6,1);
        	puntet.infoShadowAnchor=new GPoint(13,13);
       		puntet.image = "http://labs.google.com/ridefinder/images/mm_20_red.png";
        	var puntet_vermell = new GIcon(puntet);
        	var marker = new GMarker(point, puntet_vermell);
        }
        	
	GEvent.addListener(marker, "click", function() {
		GDownloadUrl("/mapa/mostra_detall.php?uid=" + uid, function(data_detall) {
			var xml = GXml.parse(data_detall);
			var markers = xml.documentElement.getElementsByTagName("marker");
			for (var i = 0; i < markers.length; i++) {
        		
				var nomempresa = markers[i].getAttribute("nomempresa");
				var adreca = markers[i].getAttribute("adreca");
				var nompoblacio = markers[i].getAttribute("nompoblacio");
				var desc_empresa = markers[i].getAttribute("desc_empresa");
				var url = markers[i].getAttribute("url");
				var telefon = markers[i].getAttribute("telefon");
				var barri = markers[i].getAttribute("barri");
				if (barri != ""){barri = " (" + barri + ")";}
				else {barri = "";}
				var foto = markers[i].getAttribute("foto");
				var foto_ample = markers[i].getAttribute("foto_ample");
				var foto_alt = markers[i].getAttribute("foto_alt");
            			if (foto != ""){sitefoto = "<img src='" + foto + "/logos/mapa/" + uid + ".jpg' width='" + foto_ample + "' heigth='" + foto_alt + "'>";}
            			else{sitefoto = "";}
				if (url != ""){
					var nomempresa = "<a href='" + url + "' target='_blank'>" + nomempresa + "</a>";
            			}
				marker.openInfoWindowHtml("<table width='300'><tr><td class='linkat' colspan='3'><b>"+ nomempresa + "</b><br>" + desc_empresa + "</td></tr><tr><td class='linkat' valign='top'><b>Tel:</b> " + telefon + "<br><b>" + adreca + "</b><br>" + nompoblacio +  barri + "</td><td>&nbsp</td><td>" + sitefoto + "</td></tr></table>");
			}
		});           
	});
	return marker;
}