var thebughouse = "5024 Southern Blvd, Virginia Beach VA 23462";
	var geocoder 		= null;
	var newMarkers 	= [];
	var latLngs 		= [];
	var icons 			= [];
	var map;
	var gdir;
	var addressMarker;

	$(document).ready(
		function(){
			initialize();
			get_directions();
			$("#submit").click( reload_directions );
		}
	);
	
	function get_directions() {
		var fromAddress = $("#address").val();
		//initialize();
		gdir.load("from: " + fromAddress + " to: " + thebughouse, {"locale": "en" , "getSteps":true});
	}

	function reload_directions() {
		initialize();
		get_directions();
	}
	
	function initialize() {
		$("#directions").html("");
		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);
			GEvent.addListener(gdir, "addoverlay", onGDirectionsAddOverlay); // added to trigger marker swap
			map.setCenter(new GLatLng(0,0),0);	//Inital setCenter()  added. Esa.

			get_directions();
		}
	}

  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_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() { 
		// Use this function to access information about the latest load() results.
	}

	function onGDirectionsAddOverlay() { 
		// Remove the draggable markers from previous function call.
		for (var i=0; i<newMarkers.length; i++){
			map.removeOverlay(newMarkers[i]);
		}

		// Loop through the markers and create draggable copies
		for (var i=0; i<=gdir.getNumRoutes(); i++){
			
    	var originalMarker = gdir.getMarker(i);
    	latLngs[i] = originalMarker.getLatLng();
    	icons[i] = originalMarker.getIcon();
    	newMarkers[i] = new GMarker(latLngs[i],{icon:icons[i], draggable:true, title:'Draggable'});
    	map.addOverlay(newMarkers[i]);

			// Get the new waypoints from the newMarkers array and call loadFromWaypoints by dragend
			GEvent.addListener(newMarkers[i], "dragend", 
				function(){
					var points = [];
					for (var i=0; i<newMarkers.length; i++) {
						points[i]= newMarkers[i].getLatLng();
					}
					gdir.loadFromWaypoints(points);
    		}
			);

			//Bind 'click' event to original markers 'click' event
			copyClick(newMarkers[i],originalMarker);

			// Now we can remove the original marker safely
			map.removeOverlay(originalMarker);
		}

		function copyClick(newMarker,oldMarker) {
			GEvent.addListener(newMarker, 'click',
				function(){
					GEvent.trigger(oldMarker,'click');
    		}
			);
  	}
	}