function number_format(num, dec) {
        num = ""+num+"";
        var num_dec = parseInt(num.length - num.lastIndexOf('.') - 1);
        var cadena = new String();
        var numero = new Number(0);
        if (num.lastIndexOf(".") == -1) {
        	return parseFloat(num);
        }
        var postindex = num.lastIndexOf('.')+dec+1;
        if (dec >= num_dec) {
        	return parseFloat(num);
        }
        if (num[postindex]){
        	numero = parseFloat(num.substring(0,num.lastIndexOf('.')+dec+1));
        } else {
            var i = postindex;
            while ((i+1))
            i++;
        }
        numero = parseFloat(num);
        var potencia = num.substring(num.lastIndexOf('.'),i).length;
        var divisor = divisor = Math.pow(10,potencia);
        var incr = new Number(0);
        for (var j = i; j >= postindex; j--, divisor /= 10) {
            if (num[j] >= 5) {
                incr = (10 - num[j]) / divisor;
                numero += incr;
                num = ""+numero+"";
            } else {
            	continue;
            }
        }
        numero = ""+numero+"";
        numero = numero.substr(0,num.lastIndexOf('.')+dec+1);
        
    return numero;
} 
    
  
          
           
    var map;
    var markerAmbulance;
    var capa_track; 
    var capa_camps;
    var capa_start_finish;
    var capa_summit;
	var capa_panoramio;
	var capa_radar;
	var capa_comments;
	var capa_miquel;
    var capa_desafio;
    var capa_final;

	
	var togglepanoramio = 0;
	var toggleradar = 0;
    var togglecamps = 1;
	var togglestart_finish = 1;
    var toggletrack = 1;
    var togglesummit = 0;
    var togglecomments = 1;
	var toggleambulance = 1;
    var toggledesafio = 0;
	
    function initialize() {
    
    
    	var latlng = new google.maps.LatLng(47.80413,107.53693);
        var myOptions = {
          zoom: 8,
          center: latlng,
          mapTypeId: google.maps.MapTypeId.ROADMAP
        };
        map = new google.maps.Map(document.getElementById("map_canvas"),
            myOptions);
            
        
        var contentString = '<div id="content">'+
            '<div id="bodyContent" style="font-family:Arial, Helvetica, sans-serif; font-size:11px">'+
            '<p><b>GALDAKAO TO MONGOLIA</b><br /><br />' +
            '&Uacute;ltima se&ntilde;al<br />'+
            'Latitud: 47.80413<br />'+
            'Longitud: 107.53693<br />'+
            'Hora: 05:06<br />'+
            'Fecha: 11/10/2012<br />'+
            '</p>'+
            '</div>'+
            '</div>';
        
        var infowindowAmbulance = new google.maps.InfoWindow({
            content: contentString
        });

        markerAmbulance = new google.maps.Marker({
              position: latlng, 
              map: map, 
              title:"Galdakao",
              icon:"/img/icones/ambulance.png"
        });  
        google.maps.event.addListener(markerAmbulance, 'click', function() {
          infowindowAmbulance.open(map,markerAmbulance);
        }); 
        
            
            
       
        capa_camps = new google.maps.KmlLayer('http://galdakaomongolrally.racetracker.es/kml/camps_kml.php?id=1340',{preserveViewport:true});
		capa_camps.setMap(map);
        
        
        capa_comments = new google.maps.KmlLayer('http://galdakaomongolrally.racetracker.es/kml/comments_kml.php?id=1340',{preserveViewport:true});
		capa_comments.setMap(map);
        
         capa_track = new google.maps.KmlLayer('http://galdakaomongolrally.racetracker.es/kml/ambulance_kml.php?id=1340');
		capa_track.setMap(map);
        
        google.maps.event.addListener(map, 'center_changed', centerChanged);
        	
            
          function getCenterLatLngText() {
            return 'Latitud: ' + map.getCenter().lat() +' , Longitud: '+ map.getCenter().lng() +'';
          }
        
          function centerChanged() {
            
            var latlng = getCenterLatLngText();
            document.getElementById('latlong').innerHTML = latlng;
            
            
          }

      
    }
    
    
function toggleKmlambulance() {
	
      if (toggleambulance == 1) {
       //map.removeOverlay(capa_desafio);
        markerAmbulance.setMap(null);
        capa_track.setMap(null);
		document.getElementById("ambulance").src='img/icones/ambulance_boto_off.png';
        toggleambulance = 0;
      } else {
        markerAmbulance.setMap(map);
        capa_track.setMap(map);
		document.getElementById("ambulance").src='img/icones/ambulance_boto.png';
        toggleambulance = 1;	
      }
}
function toggleKmlcamps() {
	
      if (togglecamps == 1) {
        capa_camps.setMap(null);
		document.getElementById("altura").src='img/ascension_off.png';
        togglecamps = 0;
      } else {
        capa_camps.setMap(map);
		document.getElementById("altura").src='img/ascension_on.png';
        togglecamps = 1;	
      }
}
function toggleKmlcomments() {
	
      if (togglecomments == 1) {
        capa_comments.setMap(null);
		document.getElementById("imgcomen").src='img/comentarios_img_off.png';
        togglecomments = 0;
      } else {
        capa_comments.setMap(map);
		document.getElementById("imgcomen").src='img/comentarios_img_on.png';
        togglecomments = 1;	
      }
}