function addEvent(obj, evType, fn){ 
 if (obj.addEventListener){ 
   obj.addEventListener(evType, fn, false); 
   return true; 
 } else if (obj.attachEvent){ 
   var r = obj.attachEvent("on"+evType, fn); 
   return r; 
 } else { 
   return false; 
 } 
}

function inverseDisplayPresentation2() {
  if(document.getElementById('presentation2').style.display != 'block' ) {
    document.getElementById('presentation2').style.display = 'block';
  }
  else {
    document.getElementById('presentation2').style.display = 'none';
  }
}

function show(id) {
  document.getElementById(id).style.display = 'block';
}
function hide(id) {
  document.getElementById(id).style.display = 'none';
}

function initialize() {

	var latlng = new google.maps.LatLng(48.828933,2.367747);
	var map = new GMap2(document.getElementById("map_canvas"));
    //var map = new google.maps.Map2(document.getElementById("map_canvas"));
    map.setMapType(G_NORMAL_MAP)
    map.setCenter(latlng, 15);
	map.addOverlay(new google.maps.Marker(latlng));
  }

//google.setOnLoadCallback(initialize);

addEvent(window, 'load', initialize);