// request variables
	var requestCommand;
	var requestTarget;
	var requestCallbackFunction;

	function loadMap(){
		if (GBrowserIsCompatible())
		{
			// Subscribe event ZOOMEND
			GEvent.addListener(map, "zoomend", function(oldzoom,zoom) { 
				//
				loadingTooltip.style.visibility='visible';
				// Request Properties Ajax Call
				RequestProperties(map.getBounds());
			});

			// Subscribe event MOVEEND
			GEvent.addListener(map, "dragend", function() {
				//
				loadingTooltip.style.visibility='visible';
				// Request Properties Ajax Call
				RequestProperties(map.getBounds());
			});
			
			// Request Properties Ajax Call
			RequestProperties(map.getBounds());
		}
	}

	function RequestProperties(bounds){
		// Show animation
		//loadingTooltip.style.visibility='visible';
		// Strip Bounds
		var southWestPoint = bounds.getSouthWest();
		var northEastPoint = bounds.getNorthEast();
		var SWLat = southWestPoint.lat();//-3;
		var SWLng = southWestPoint.lng();
		var NELat = northEastPoint.lat();//+3;
		var NELng = northEastPoint.lng();

		// Set ajax call
		var url = wServiceRequesterURL; //'http://www.lava-monkey.com/lxrent/dbobjects/BORequestProperties.asp';
		// Set command type
		if(map.getZoom() <= 6){requestCommand = 'REQUEST_PROPERTIES_TOP_LEVEL'; requestTarget = 'TOPLEVEL_DISTRITOS'; requestCallbackFunction = Properties_ShowResponse_Toplevel;}
		if(map.getZoom() > 6 && map.getZoom() <= 8){requestCommand = 'REQUEST_PROPERTIES_TOP_LEVEL'; requestTarget = 'TOPLEVEL_CONCELHOS'; requestCallbackFunction = Properties_ShowResponse_Toplevel;}
		if(map.getZoom() >= 9){requestCommand = 'REQUEST_PROPERTIES'; requestTarget = 'DESTAQUES'; requestCallbackFunction = Properties_ShowResponse;}
		// set request params
		var pars = 'COMMAND='+requestCommand+'&TARGET='+requestTarget+'&SWLatitude='+SWLat+'&SWLongitude='+SWLng+'&NELatitude='+NELat+'&NELongitude='+NELng;
		
		// ajax request
		var myAjax = new Ajax.Request(
			url, 
			{
				method: 'GET', 
				parameters: pars, 
				onComplete: requestCallbackFunction //Properties_ShowResponse
			});
	}
	
	function Properties_ShowResponse(transport){
		// Process response
		if (transport.status == 200){
			// Get response Xml
			var xmlResponse = transport.responseXML;
			// read Xml nodes
			var markerNodes = xmlResponse.getElementsByTagName('markers')[0];
			// Clear map markers
			top.map.clearOverlays();
			// Create Markers 
			for(var i=0;i<markerNodes.childNodes.length;i++){//percorrendo os filhos do nó
				if(markerNodes.childNodes[i].nodeType == 1){//ignorar espaços em branco
					var newLat = markerNodes.childNodes[i].attributes[0].value;
					var newLng = markerNodes.childNodes[i].attributes[1].value;
					var newID = markerNodes.childNodes[i].attributes[2].value;
					var newName = markerNodes.childNodes[i].attributes[3].value;
					var newType = markerNodes.childNodes[i].attributes[4].value;
					var newTitle = markerNodes.childNodes[i].attributes[5].value;
					var newLocation = markerNodes.childNodes[i].attributes[6].value;
					var newArea = markerNodes.childNodes[i].attributes[7].value;
					var newValor = markerNodes.childNodes[i].attributes[8].value;
					var newIsDestaque = markerNodes.childNodes[i].attributes[9].value;
					var point = new GLatLng(newLat, newLng);
	
					// Create Property icon
					var newIcon = new GIcon();
					
					// Check Property Type
					if(newType.toUpperCase() == 'ALOJAMENTO'){
						newIcon.image = "images/bannercasapreto.gif";
					}
					if(newType.toUpperCase() == 'COMERCIAL'){
						newIcon.image = "images/bannercasaazul.gif";
					}
					if(newType.toUpperCase() == 'TURISMO RURAL'){
						newIcon.image = "images/bannercasaverde.gif";
					}
					
					newIcon.iconSize = new GSize(16, 16);
					newIcon.iconAnchor = new GPoint(6, 20);
					newIcon.infoWindowAnchor = new GPoint(5, 1);
					
					// Create Marker
					var marker = new GMarker(point, newIcon);
					marker.tooltip = '<div class="googletooltip">&nbsp;<b>'+newName+'</b><br/>&nbsp;'+newTitle.substring(0,25)+'...<br/>&nbsp;'+newLocation+'</div>';
					// 
					AddGMapEvents(marker, newID);
					// 
					map.addOverlay(marker);
				}
			}
			
		}
		// 
		loadingTooltip.style.visibility='hidden';
	}
	
	function Properties_ShowResponse_Toplevel(transport){
		// Process response
		if (transport.status == 200){
			// Get response Xml
			var xmlResponse = transport.responseXML;
			// read Xml nodes
			var markerNodes = xmlResponse.getElementsByTagName('markers')[0];
			// Clear map markers
			top.map.clearOverlays();
			// Create Markers 
			for(var i=0;i<markerNodes.childNodes.length;i++){//percorrendo os filhos do nó
				if(markerNodes.childNodes[i].nodeType == 1){//ignorar espaços em branco
					var newLat = markerNodes.childNodes[i].attributes[0].value;
					var newLng = markerNodes.childNodes[i].attributes[1].value;
					var newName = markerNodes.childNodes[i].attributes[2].value;
					var newTotal = markerNodes.childNodes[i].attributes[3].value;
					
					// create GPoint
					var point = GetMapPoint(newLat, newLng);

					// Create Property icon
					var newIcon = new GIcon();
					if(map.getZoom() <= 6){newIcon.image = "images/flag_green.gif";}
					if(map.getZoom() > 6 && map.getZoom() <= 8){newIcon.image = "images/flag_blue.gif";}
					newIcon.iconSize = new GSize(16, 16);
					newIcon.iconAnchor = new GPoint(6, 20);
					newIcon.infoWindowAnchor = new GPoint(5, 1);
					
					// Create Marker
					var marker = new GMarker(point, newIcon);
					// Set marker tooltip
					if(map.getZoom() <= 6){marker.tooltip = '<div class="googledistritotooltip">&nbsp;<b>Distrito: '+newName+'</b><br/>&nbsp;Imóveis: '+newTotal+'</div>';}
					if(map.getZoom() > 6 && map.getZoom() <= 8){marker.tooltip = '<div class="googledistritotooltip">&nbsp;<b>Concelho: '+newName+'</b><br/>&nbsp;Imóveis: '+newTotal+'</div>';}
					
					// 
					AddGMapEvents_Toplevel(marker);
					// 
					map.addOverlay(marker);
				}
			}
		}
		//
		loadingTooltip.style.visibility='hidden';
	}
	
	function AddGMapEvents(marker, id){
		GEvent.addListener(marker, "click", function() {
				window.location = mainURL+'propertydetails.asp?ID='+id;
		});
		GEvent.addListener(marker,"mouseover", function() {
				ShowTooltip(marker);
		}); 
		GEvent.addListener(marker,"mouseout", function() {
				tooltip.style.visibility='hidden';
		}); 
	}
	
	function AddGMapEvents_Toplevel(marker){
		GEvent.addListener(marker, "click", function() {
				var newZoom;
				if(map.getZoom() <= 6){newZoom = 8;}
				if(map.getZoom() > 6 && map.getZoom() <= 8){newZoom = 9;}
				top.map.setCenter(marker.getPoint(), parseInt(newZoom));
		});
		GEvent.addListener(marker,"mouseover", function() {
				ShowTooltip(marker);
		}); 
		GEvent.addListener(marker,"mouseout", function() {
				tooltip.style.visibility='hidden';
		}); 
	}

      // ====== This function displays the tooltip ======
	// it can be called from an icon mousover or a side_bar mouseover
	function ShowTooltip(marker) {
		tooltip.innerHTML = marker.tooltip;
		var point=map.getCurrentMapType().getProjection().fromLatLngToPixel(map.fromDivPixelToLatLng(new GPoint(0,0),true),map.getZoom());
		var offset=map.getCurrentMapType().getProjection().fromLatLngToPixel(marker.getPoint(),map.getZoom());
		var anchor=marker.getIcon().iconAnchor;
		var width=marker.getIcon().iconSize.width;
		var height=tooltip.clientHeight;
		var pos = new GControlPosition(G_ANCHOR_TOP_LEFT, new GSize(offset.x - point.x - anchor.x + width, offset.y - point.y -anchor.y -height)); 
		pos.apply(tooltip);
		tooltip.style.visibility="visible";
	}
	
	function GetMapPoint(latitude, longitude){
		if((latitude != '0' && longitude != '0') && (latitude.length > 0 && longitude.length > 0)){
			if(latitude.indexOf(',') > -1){latitude = latitude.replace(',','.');}
			if(longitude.indexOf(',') > -1){longitude = longitude.replace(',','.');}
			
			return new GLatLng(latitude, longitude);
		}
	}

	function SetMapPoint(latitude, longitude, zoom){
		if((latitude != '0' && longitude != '0') && (latitude.length > 0 && longitude.length > 0)){
			if(latitude.indexOf(',') > -1){latitude = latitude.replace(',','.');}
			if(longitude.indexOf(',') > -1){longitude = longitude.replace(',','.');}
			if(top.map != null){
				if(longitude < -10){if(parseInt(zoom) > 10){zoom = '10';}}
				top.map.setCenter(new GLatLng(latitude, longitude), parseInt(zoom));
			}
		}
	}