[mapguide-users] Re: OpenLayers with MapGuide

[GordonL]

So

 var url =
"http://enterprise.mapguide.com/mapserver2012/mapagent/mapagent.fcgi?USERNAME=Anonymous";
 var extent = new OpenLayers.Bounds(-9770571,5417146,-9762314,5435370);
 var mapOptions = {
           		maxExtent: extent, 
				units: "m", 
				maxResolution: 5000.0339,
				projection: new OpenLayers.Projection("EPSG:900913")
                
          };
   map = new OpenLayers.Map( 'map', mapOptions );

   var osm = new OpenLayers.Layer.OSM("OpenStreetMap",
        "http://tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png"); 

   var options = {
              isBaseLayer: true,
              useOverlay: false,
              singleTile: true,
	 'sphericalMercator': true,
	 visibility : true,
	 transitionEffect: "resize",
	 displayOutsideMaxExtent: true
          };
     var params = {
           mapdefinition:
'Library://Samples/Sheboygan/Maps/SheboyganSphericalMercator.MapDefinition',
			  format: 'png'
	};
		
    layer = new OpenLayers.Layer.MapGuide( "MapGuide OS Overlay layer", url,
params, options );

    map.addLayers([layer,osm]);
		
    map.addControl(new OpenLayers.Control.LayerSwitcher());
		

what would I add to turn on the useOverlay: true?   
Can I not just send the Parameters of the extent in the map?

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