function initialize() {
    var myLatlng = new google.maps.LatLng(48.89982, 2.25552);
    var courbevoie_1 = new google.maps.LatLng(48.89618, 2.25855);
    var courbevoie_2 = new google.maps.LatLng(48.90347, 2.25249);
    
    var myOptions = {
      zoom: 14,
      center: myLatlng,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
    
    var marker_courbevoie_1 = new google.maps.Marker({
        position: courbevoie_1, 
        map: map,
        title:"Courbevoie DALLIER",
        icon: "http://maps.google.com/mapfiles/ms/icons/blue.png"
    });

    var marker_courbevoie_2 = new google.maps.Marker({
        position: courbevoie_2, 
        map: map,
        title:"Courbevoie BLOT",
        icon: "http://maps.google.com/mapfiles/ms/icons/blue.png"
    });
    
	var infowindow_courbevoie_1 = new google.maps.InfoWindow({
	    content: "<span style='font-size: 10pt; font-family: sans-serif; color:black'><b>Danse Club 92 de courbevoie</b><br>Centre René Dallier<br>7, rue de la Montagne<br>92400 Courbevoie</span>"
	});

	var infowindow_courbevoie_2 = new google.maps.InfoWindow({
	    content: "<span style='font-size: 10pt; font-family: sans-serif; color:black'><b>Danse Club 92 de courbevoie</b><br>Centre Omnisport du docteur Jean Blot<br>21, rue Pierre Brossolette<br>92400 Courbevoie</span>"
	});

    google.maps.event.addListener(marker_courbevoie_1, 'click', function() {
    	infowindow_courbevoie_2.close();
    	infowindow_courbevoie_1.open(map,marker_courbevoie_1);
	});  

    google.maps.event.addListener(marker_courbevoie_2, 'click', function() {
    	infowindow_courbevoie_1.close();
    	infowindow_courbevoie_2.open(map,marker_courbevoie_2);
	});  
  }