// Create a directions object and register a map and DIV to hold the resulting computed directions
    var map;
    var gdir;
    var geocoder = null;
    var markerState = 1;
    var latlng;
    var tgmcMarker;
    
    function initialize() {
      if (GBrowserIsCompatible()) {      
        map = new GMap2(document.getElementById("map_canvas"));
        gdir = new GDirections(map, document.getElementById("directions"));
        //GEvent.addListener(gdir, "load", onGDirectionsLoad);
        //GEvent.addListener(gdir, "error", handleErrors);
        
        //add the center of the map
        map.setCenter(new GLatLng(29.597425, -90.714199), 15);
        
        //add the info window
        //map.openInfoWindow(map.getCenter(), document.createTextNode("Terrebonne General Medical Center"));
        
        //add the zoom, map controls
        map.addControl(new GSmallMapControl());
        map.addControl(new GMapTypeControl());
        
        //add the initial marker
        latlng = map.getCenter();
        map.addOverlay(createMarker(latlng));
        map.openInfoWindow(latlng, "<center><img src='http://www.tgmc.com/images/hospital.jpg'/></center>");
      }
    }

    function createMarker(latlng) {
        tgmcMarker = new GMarker(latlng);
        GEvent.addListener(tgmcMarker,"click", function() {
        map.openInfoWindow(latlng, "<center><img src='http://www.tgmc.com/images/hospital.jpg'/></center>");
            });
        return tgmcMarker;
    }
    
    function setDirections(fromAddress) {
      gdir.load("from: " + fromAddress + " to: 8166 Main Street, 70360");
      removeMarker();
    }
    
    function removeMarker(){
        map.removeOverlay(tgmcMarker);
        map.closeInfoWindow();
    }
    

    function handleErrors(){
	   if (gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS)
	     alert("No corresponding geographic location could be found for one of the specified addresses. This may be due to the fact that the address is relatively new, or it may be incorrect.\nError code: " + gdir.getStatus().code);
	   else if (gdir.getStatus().code == G_GEO_SERVER_ERROR)
	     alert("A geocoding or directions request could not be successfully processed, yet the exact reason for the failure is not known.\n Error code: " + gdir.getStatus().code);
	   
	   else if (gdir.getStatus().code == G_GEO_MISSING_QUERY)
	     alert("The HTTP q parameter was either missing or had no value. For geocoder requests, this means that an empty address was specified as input. For directions requests, this means that no query was specified in the input.\n Error code: " + gdir.getStatus().code);

	//   else if (gdir.getStatus().code == G_UNAVAILABLE_ADDRESS)  <--- Doc bug... this is either not defined, or Doc is wrong
	//     alert("The geocode for the given address or the route for the given directions query cannot be returned due to legal or contractual reasons.\n Error code: " + gdir.getStatus().code);
	     
	   else if (gdir.getStatus().code == G_GEO_BAD_KEY)
	     alert("The given key is either invalid or does not match the domain for which it was given. \n Error code: " + gdir.getStatus().code);

	   else if (gdir.getStatus().code == G_GEO_BAD_REQUEST)
	     alert("A directions request could not be successfully parsed.\n Error code: " + gdir.getStatus().code);
	    
	   else alert("An unknown error occurred.");
	   
	}

	function onGDirectionsLoad(){ 
      //yada yada yada...
	}