function initialize(vNome, vLat, vLong, vNum) {
 
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById("mapa"));
	
    map.setCenter(new GLatLng(vLat, vLong), 14);
    map.addControl(new GSmallMapControl());
    map.addControl(new GMapTypeControl());
 
    // Create a base icon for all of our markers that specifies the
    // shadow, icon dimensions, etc.
    var baseIcon = new GIcon();
    baseIcon.iconSize = new GSize(34, 34);
    baseIcon.iconAnchor = new GPoint(9, 24);
    baseIcon.infoWindowAnchor = new GPoint(9, 2);
 
    // Creates a marker whose info window displays the letter corresponding
    // to the given index.
    function createMarker(point, texto) {
      // Create a lettered icon for this point using our icon class
      var letteredIcon = new GIcon(baseIcon);
      letteredIcon.image = "img/logop.png";
 
      // Set up our GMarkerOptions object
      markerOptions = { icon:letteredIcon };
      var marker = new GMarker(point, markerOptions);
 
      GEvent.addListener(marker, "click", function() {
        marker.openInfoWindowHtml("<img src='img/logo1.png' width='150'><p class='textomapa'>Rua Júlio Dinis, 724 - Loja 33<br>4050-321 Porto<br>Portugal");
      });
      return marker;
    }
 
    var latlng = new GLatLng(vLat, vLong);
            
    map.addOverlay(createMarker(latlng, vNome));
  }
}

	
function inicializaMapa() {initialize('Contactos',41.1554575832,-8.62680369953, 1);}


function controla(idDIV) {
    if(document.getElementById(idDIV).style.display == "") {
        document.getElementById(idDIV).style.display = "none";
    }
    else {
        document.getElementById(idDIV).style.display = "";
    }
}

function muda_imagem(menu)
{
	document.getElementById(menu).src = "img/"+menu+"o.jpg";
}

function repoe_imagem(menu)
{
	document.getElementById(menu).src = "img/"+menu+".jpg";
}

function set_menu()
{
        var query = window.location.search.substring(1);
        var parm = query;
        if(parm != "") {
		var pos = parm.indexOf('=');
		var sel = parm.substring(pos+1);
            menu = 'menu'+sel;
		muda_imagem(menu);
            menua = menu + 'a';
            document.getElementById(menua).onmouseover = null;
            document.getElementById(menua).onmouseout = null;
	}
}