var map = null;

    var geocoder = null;

    
	function load() {

      if (GBrowserIsCompatible()) {

        map = new GMap2(document.getElementById("map"));

		map.addControl(new GSmallMapControl());

		map.addControl(new GMapTypeControl());

		map.addControl(new GScaleControl());

        map.setCenter(new GLatLng(39.5751, -7.912658), 6);

        geocoder = new GClientGeocoder();

		map.enableDoubleClickZoom();

		

		}

    }







	

	function showAddressHelper(){

	var address = document.getElementById("morada_a_procurar").value;

	if (geocoder) {

		geocoder.getLatLng(

		  address,

		  function(point) {

			if (!point) {

			  alert(address + " não encontrada. Tente escrever a localidade mais próxima");

			} else {

			  map.setCenter(point, 17);

			  var marker = new GMarker(point, {draggable: true});

			  

				GEvent.addListener(marker, "dragend", function() {

					document.formulario.lat_lon.value = marker.getPoint();

					});

								

				map.addOverlay(marker);
				
				alert("...agora, arraste o marcador para o local exacto.");
			  				  

			}

		  }

		);

	  }
	  
	
	 }	

	
function AddMarker(){
	var center = map.getCenter();  
	var marker = new GMarker(center, {draggable: true});
	GEvent.addListener(marker, "dragend", function() {
		document.formulario.lat_lon.value = marker.getPoint();
		});
	map.addOverlay(marker);
	alert("...agora, arraste o marcador para o local exacto. Acompanhe com ZOOM");
	}




    function showAddress(address) {

      if (geocoder) {

        geocoder.getLatLng(

          address,

          function(point) {

			if (!point) {

			  alert(address + " não encontrada. Tente escrever a localidade mais próxima");

			} else {

			  map.setCenter(point, 13);

			  var marker = new GMarker(point, {draggable: true});

			  

				GEvent.addListener(marker, "dragend", function() {

					document.formulario.lat_lon.value = marker.getPoint();

					});

								

				map.addOverlay(marker);

			  			  

			  

			  

			}

		  }

        );

      }

    }



	function CenterMap(lat,lon) {

      map.setCenter(new GLatLng(lat, lon), 14);

	 }

	/*

	function MostrarUnis(){

	

	

	// Read the data from XML

      var request = GXmlHttp.create();

      // Open the XML file

      request.open("GET", "markers-unis.xml", true);

      request.onreadystatechange = function() {

         if (request.readyState == 4) {

            var xmlDoc = request.responseXML;

            // Obtain the array of markers and loop through it

            var markers = xmlDoc.documentElement.getElementsByTagName("marker");



            for (var i = 0; i < markers.length; i++) {

               // Obtain the attribues of each marker

               var lat = parseFloat(markers[i].getAttribute("lat"));

               var lon = parseFloat(markers[i].getAttribute("lon"));

               var point = new GLatLng(lat,lon);

               var nome = markers[i].getAttribute("nome");

               //var phone = markers[i].getAttribute("phone");

               //var address = markers[i].getAttribute("address");

               //var city = markers[i].getAttribute("city");

               //var state = markers[i].getAttribute("state");

               //var zip = markers[i].getAttribute("zip");

               //var url = markers[i].getAttribute("url");

               

			   // Call the function to create the marker

               //var marker = createMarker(point,name,phone,address,city,state,zip,url);

			   var marker = createMarker(point,nome);

               map.addOverlay(marker);

            }

         }

      }

      request.send(null);

		

	}

	*/

	function MostrarUnis(XMLfilename){

	

	var icon = new GIcon();

	icon.image = "pics/icon_uni.gif";

	//icon.shadow = "http://labs.google.com/ridefinder/images/mm_20_shadow.png";

	icon.iconSize = new GSize(20, 36);

	//icon.shadowSize = new GSize(22, 20);

	icon.iconAnchor = new GPoint(10, 36);

	icon.infoWindowAnchor = new GPoint(10, 1);

	

	// Read the data from XML

      var request = GXmlHttp.create();

      // Open the XML file

      request.open("GET", XMLfilename, true);

      request.onreadystatechange = function() {

         if (request.readyState == 4) {

            var xmlDoc = request.responseXML;

            // Obtain the array of markers and loop through it

            var markers = xmlDoc.documentElement.getElementsByTagName("marker");



            for (var i = 0; i < markers.length; i++) {

               // Obtain the attribues of each marker

               var lat = parseFloat(markers[i].getAttribute("lat"));

               var lon = parseFloat(markers[i].getAttribute("lon"));

               var point = new GLatLng(lat,lon);
				
			   var codigo = parseFloat(markers[i].getAttribute("codigo"));
			   
			      
               var nome = markers[i].getAttribute("nome");
			   var nome = "<p align=\"center\">" + nome + "<br><a href=\"procurar.php?estabelecimento=" + codigo + "\">Listar alojamentos num raio de 5 km</a><br><font size=\"1\">Localização do estabelecimento incorrecta? <a href=\"corrigir.php?est=1&lat=" + lat + "&lon=" + lon + "\">Clique aqui!</a></font></p>";

               //var phone = markers[i].getAttribute("phone");

               //var address = markers[i].getAttribute("address");

               //var city = markers[i].getAttribute("city");

               //var state = markers[i].getAttribute("state");

               //var zip = markers[i].getAttribute("zip");

               //var url = markers[i].getAttribute("url");

               

			   // Call the function to create the marker

               //var marker = createMarker(point,name,phone,address,city,state,zip,url);

				

			   function createMarker(point, nome) {

			   var marker = new GMarker(point, icon);

			   GEvent.addListener(marker, "click", function() {

					marker.openInfoWindowHtml(nome);

					});

			   return marker;

			   }

			   			   

			   var marker = createMarker(point,nome);

               map.addOverlay(marker);

			   

            }

         }

      }

      request.send(null);


	}

	

	

	

	function MostrarCasas(XMLfilename){

	

	var icon = new GIcon();

	icon.image = "pics/house.gif";

	//icon.shadow = "http://labs.google.com/ridefinder/images/mm_20_shadow.png";

	icon.iconSize = new GSize(16, 16);

	//icon.shadowSize = new GSize(22, 20);

	icon.iconAnchor = new GPoint(8, 16);

	icon.infoWindowAnchor = new GPoint(8, 1);

	

	// Read the data from XML

      var request = GXmlHttp.create();

      // Open the XML file

      request.open("GET", XMLfilename, true);

      request.onreadystatechange = function() {

         if (request.readyState == 4) {

            var xmlDoc = request.responseXML;

            // Obtain the array of markers and loop through it

            var markers = xmlDoc.documentElement.getElementsByTagName("marker");



            for (var i = 0; i < markers.length; i++) {

               // Obtain the attribues of each marker

               var id = parseFloat(markers[i].getAttribute("id"));

			   var preco = parseFloat(markers[i].getAttribute("preco"));

			   var lat = parseFloat(markers[i].getAttribute("lat"));

               var lon = parseFloat(markers[i].getAttribute("lon"));

               var point = new GLatLng(lat,lon);

               var nome = ("<p align=center>CASA DISPONÍVEL<br>Preço:" + preco + " Euros<br><a href=vermapa.php?id=" + 

			   id + "&lat=" + lat + "&lon=" + lon + 

			   " target='_blank'>Clicar aqui para abrir numa nova janela</a></p>");//markers[i].getAttribute("nome");

			   //var nome = (link );//markers[i].getAttribute("nome");

               //var phone = markers[i].getAttribute("phone");

               //var address = markers[i].getAttribute("address");

               //var city = markers[i].getAttribute("city");

               //var state = markers[i].getAttribute("state");

               //var zip = markers[i].getAttribute("zip");

               //var url = markers[i].getAttribute("url");

               

			   // Call the function to create the marker

               //var marker = createMarker(point,name,phone,address,city,state,zip,url);

				

			   function createMarker(point, nome) {

			   var marker = new GMarker(point, icon);

			   GEvent.addListener(marker, "click", function() {

					marker.openInfoWindowHtml(nome);

					});

			   return marker;

			   }

			   			   

			   var marker = createMarker(point,nome);

               map.addOverlay(marker);

			   

            }

         }

      }

      request.send(null);

		

	}



	function MostrarCasasExcepto(XMLfilename, Exceptlat, Exceptlon){

	

	var icon2 = new GIcon();

	icon2.image = "pics/house.gif";

	//icon.shadow = "http://labs.google.com/ridefinder/images/mm_20_shadow.png";

	icon2.iconSize = new GSize(16, 16);

	//icon.shadowSize = new GSize(22, 20);

	icon2.iconAnchor = new GPoint(8, 16);

	icon2.infoWindowAnchor = new GPoint(8, 1);

	

	// Read the data from XML

      var request = GXmlHttp.create();

      // Open the XML file

      request.open("GET", XMLfilename, true);

      request.onreadystatechange = function() {

         if (request.readyState == 4) {

            var xmlDoc = request.responseXML;

            // Obtain the array of markers and loop through it

            var markers = xmlDoc.documentElement.getElementsByTagName("marker");



            for (var i = 0; i < markers.length; i++) {

               

			   // Obtain the attribues of each marker

               var id = parseFloat(markers[i].getAttribute("id"));

			   var preco = parseFloat(markers[i].getAttribute("preco"));

			   var lat = parseFloat(markers[i].getAttribute("lat"));

               var lon = parseFloat(markers[i].getAttribute("lon"));

               var point = new GLatLng(lat,lon);

               var nome = ("<p align=center>CASA DISPONÍVEL<br>Preço:" + preco + " Euros<br><a href=vermapa.php?id=" + 

			   id + "&lat=" + lat + "&lon=" + lon + 

			   ">Clicar aqui para mostrar descrição</a></p>");//markers[i].getAttribute("nome");

			   //var nome = (link );//markers[i].getAttribute("nome");

               //var phone = markers[i].getAttribute("phone");

               //var address = markers[i].getAttribute("address");

               //var city = markers[i].getAttribute("city");

               //var state = markers[i].getAttribute("state");

               //var zip = markers[i].getAttribute("zip");

               //var url = markers[i].getAttribute("url");

               

			   // Call the function to create the marker

               //var marker = createMarker(point,name,phone,address,city,state,zip,url);

			   if (Exceptlat != lat && Exceptlon != lon ) {

					function createMarker(point, nome) {

					var marker = new GMarker(point, icon2);

					GEvent.addListener(marker, "click", function() {

						marker.openInfoWindowHtml(nome);

						});

					return marker;

					}

					   

					var marker = createMarker(point,nome);

					map.addOverlay(marker);

				}

            }

         }

      }

      request.send(null);

		

	}



	

	

	function MostrarCasaSeleccionada(lat,lon){

	var icon = new GIcon();

	icon.image = "pics/house_selected.gif";

	//icon.shadow = "http://labs.google.com/ridefinder/images/mm_20_shadow.png";

	icon.iconSize = new GSize(16, 16);

	//icon.shadowSize = new GSize(22, 20);

	icon.iconAnchor = new GPoint(8, 16);

	icon.infoWindowAnchor = new GPoint(8, 1);

	

	var point = new GLatLng(lat,lon);

	var nome = ("<p align=center>CASA SELECCIONADA</p>");

	function createMarker(point, nome) {

		var marker = new GMarker(point, icon);

		GEvent.addListener(marker, "click", function() {

					marker.openInfoWindowHtml(nome);

					});

		return marker;

		}

	var marker = createMarker(point,nome);

    map.addOverlay(marker);

	}

	

	

	function point_it(){

		coord = map.getCenter();

		document.formulario.lat_lon.value = coord;

    	}

	

	function copiarMorada(){

	var mrd = document.formulario.morada.value;

	var mrd2 = document.getElementById("morada_a_procurar");

	mrd2.value = mrd;

	//document.procurar_morada_form.morada_coord.value = mrd;

	}

/*

	function mostrarAjuda(help){

			var text = "Good morning";

			document.procurar_morada_form.ajuda_text.value = text;



		}

		*/

function show_help(div_id, visibleStateCSS)  {


if (document.getElementById) { // DOM3 = IE5, NS6 

// Locate and update our popup window
	
	
	
	document.getElementById(div_id).className = visibleStateCSS;	

}

else { 

if (document.layers) { // Netscape 4 

// Locate and update our popup window
	
	
	document.div_id.className = visibleStateCSS;	

} 

else { // IE 4 


// Locate and update our popup window

	
	document.all.div_id.className = visibleStateCSS;	

} 

} 


  }

function hide_help(div_id, hiddenStateCSS)  {


if (document.getElementById) { // DOM3 = IE5, NS6 

// Locate and update our popup window
	

	document.getElementById(div_id).className = hiddenStateCSS;	

}

else { 

if (document.layers) { // Netscape 4 

// Locate and update our popup window
	
	document.div_id.className = hiddenStateCSS;	

} 

else { // IE 4 


// Locate and update our popup window

	document.all.div_id.className = hiddenStateCSS;	

} 

} 


  }








function hideDiv(div_id) { 



if (document.getElementById) { // DOM3 = IE5, NS6 

document.getElementById(div_id).style.visibility = 'hidden'; 

} 

else { 

if (document.layers) { // Netscape 4 

document.div_id.visibility = 'hidden'; 

} 

else { // IE 4 

document.all.div_id.style.visibility = 'hidden'; 

} 

} 

} 



function showDiv(div_id) { 

if (document.getElementById) { // DOM3 = IE5, NS6 

document.getElementById(div_id).style.visibility = 'visible'; 

} 

else { 

if (document.layers) { // Netscape 4 

document.div_id.visibility = 'visible'; 

} 

else { // IE 4 

document.all.div_id.style.visibility = 'visible'; 

} 

} 

} 







<!-- 

var state = 'none'; 



function showhide(layer_ref) { 



if (state == 'block') { 

state = 'none'; 

} 

else { 

state = 'block'; 

} 

if (document.all) { //IS IE 4 or 5 (or 6 beta) 

eval( "document.all." + layer_ref + ".style.display = state"); 

} 

if (document.layers) { //IS NETSCAPE 4 or below 

document.layers[layer_ref].display = state; 

} 

if (document.getElementById &&!document.all) { 

hza = document.getElementById(layer_ref); 

hza.style.display = state; 

} 

} 

//--> 





function clear(objSelect){



     for (var i = (objSelect.options.length-1); i >= 0; i--){

         options[i]=null;

     }

     options[0]=new Option('--------------------------', '0');

}





function fldRefresh(field){

	//if (field.id != '') {

		$url_param = '?' + field.id + '=' + field.value;

		document.location = 'procurar.php' + $url_param;

	}
function RefreshRaioEstabelecimento(fieldRaio, fieldEstabelecimento){

	$url_param = '?' + fieldRaio.id + '=' + fieldRaio.value + '&' + fieldEstabelecimento.id + '=' + fieldEstabelecimento.value;

	document.location = 'procurar.php' + $url_param;

	}
	
function ZoomToSelectedPoint(lat,lon,message){

	map.setCenter(new GLatLng(lat, lon), 17);      

	var marker = new GMarker(new GLatLng(lat, lon), {draggable: true});
	GEvent.addListener(marker, "dragend", function() {
		document.formulario.lat_lon.value = marker.getPoint();
		});

	map.addOverlay(marker);
	if(message > 0){
		alert("...agora, arraste o marcador para o local exacto.");
		}


}