function initialize() {
//<![CDATA[

    if (GBrowserIsCompatible()) {
      var gmarkers = [];
      var htmls = [];
      var i = 0;
      
      var gicons = [];
      gicons["yellow"] = new GIcon(G_DEFAULT_ICON, "../images/yellow.png");
      gicons["purple"] = new GIcon(G_DEFAULT_ICON, "../images/purple.png");
      
      function createMarker(point,name,html, icontype) {
        var marker = new GMarker(point, gicons[icontype]);
        marker.tooltip = '<div class="tooltip">'+name+'<\/div>';
        GEvent.addListener(marker, "click", function() {
          marker.openInfoWindowHtml(html);
        });
        gmarkers[i] = marker;
        htmls[i] = html;
        i++;
        map.addOverlay(marker);
        
        GEvent.addListener(marker,"mouseover", function() {
          showTooltip(marker);
        });        
        GEvent.addListener(marker,"mouseout", function() {
		tooltip.style.visibility="hidden"
        });        
      }
      
      function showTooltip(marker) {
    tooltip.innerHTML = marker.tooltip;
	var point=map.getCurrentMapType().getProjection().fromLatLngToPixel(map.getBounds().getSouthWest(),map.getZoom());
	var offset=map.getCurrentMapType().getProjection().fromLatLngToPixel(marker.getPoint(),map.getZoom());
	var anchor=marker.getIcon().iconAnchor;
	var width=marker.getIcon().iconSize.width;
	var pos = new GControlPosition(G_ANCHOR_BOTTOM_LEFT, new GSize(offset.x - point.x - anchor.x + width,- offset.y + point.y +anchor.y)); 
	pos.apply(tooltip);
	tooltip.style.visibility="visible";
      }
      
      var map = new GMap2(document.getElementById("map"));
      map.addControl(new GLargeMapControl());
      map.addControl(new GMapTypeControl());
      map.setCenter(new GLatLng(44.642,.5862), 12);

      var tooltip = document.createElement("div");
      document.getElementById("map").appendChild(tooltip);
      tooltip.style.visibility="hidden";
      
      var request = GXmlHttp.create();
      request.open("GET", "../scripts/canton.xml", true);
      request.onreadystatechange = function() {
        if (request.readyState == 4) {
          var xmlDoc = GXml.parse(request.responseText);
          var markers = xmlDoc.documentElement.getElementsByTagName("marker");
          
          for (var i = 0; i < markers.length; i++) {
            var lat = parseFloat(markers[i].getAttribute("lat"));
            var lng = parseFloat(markers[i].getAttribute("lng"));
            var point = new GLatLng(lat,lng);
            var html = markers[i].getAttribute("html");
            var label = markers[i].getAttribute("label");
            var icontype = markers[i].getAttribute("icontype");            
            var marker = createMarker(point,label,html,icontype);
          }
        }
      }
      request.send(null);
    }      
    else {
      alert("D?ol? Google Maps API n'est pas compatible avec ce navigateur !");
    }   
    //]]>
}