var map = null;
    var panel = null;
    var gdir = null; 
    var lastgroupingID = 0; 

    function load() 
    {
       primaryOnload(); 
      if (GBrowserIsCompatible()) 
      {
        map = new GMap2(document.getElementById("map"));
        map.setCenter(new GLatLng(33.901926,-117.859331),10);
        panel = document.getElementById("directionsPanel")
        map.addControl(new GLargeMapControl());
        gdir = new GDirections(map,panel);
        GEvent.addListener(gdir, "error", handleErrors);
        LoadAllMarkers();
      }
    }
   
   function SetMapandMarker(lat,lng,displaytext,servicetype,markerid,groupingid)
   {
        if(lastgroupingID != groupingid)
        {
            map.clearOverlays();
            lastgroupingID = groupingid;
        }

        var point = new GLatLng(lat,lng);

        if(!map.isLoaded())
        {
            map.setCenter(point, 14);
        }
        
        var marker = new PdMarker(point,{title: servicetype});
        marker.setId(markerid);
        map.addOverlay(marker);
        GEvent.addListener(marker, "click", function() {    marker.openInfoWindowHtml(displaytext);  }); 
        map.zoomToMarkers();
        map.zoomOut();       
        marker.openInfoWindowHtml(displaytext);
        return(false);
   } 
   
   function GetDirections(sourceCtl)
   {
        var inputCtl = sourceCtl.previousSibling;
        var markerCnt = map.getMarkerCount();
        var waypoints = new Array();
        

        
        if(inputCtl.value != "" && markerCnt > 0)
        {
            waypoints.push(inputCtl.value);
        }
        else if(markerCnt < 2)
        {
            alert("You must enter an address in the text field and have at least one marker on the map. You can receive directions betwen two markers by leaving the text field blank and having at least two markers on the map.");
            return;
        }

        var markers = new Array();
        var marker = map.getFirstMarker();
        while (marker != null)
        {	        
	        markers.push(marker);
	        marker = map.getNextMarker();
        }
        var sortedMarkers = markers.sort(SortMethod);                

        for(var i = 0; i < sortedMarkers.length;i++)
        {
            waypoints.push(sortedMarkers[i].getPoint());
        }
        
        gdir.loadFromWaypoints(waypoints);
   }
   
   function SortMethod(marker1,marker2)
   {
        var id1 = marker1.getId();
        var id2 = marker2.getId();
        if(id1 > id2)
        {
            return(1);
        }
        else
        {
            return(-1);
        }
   }
   
   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.");
   
}