var map 		= null;
var geocoder 	= null;
var themarker = null;
var thegdir = null;

function initialize() {
  if (GBrowserIsCompatible()) {
	map = new GMap2(document.getElementById("map_canvas"));
	map.setCenter(new GLatLng(37.4419, -122.1419), 14);
	geocoder = new GClientGeocoder();
  }
}

function showAddress(address, company) {
	if (GBrowserIsCompatible()) {
	  geocoder = new GClientGeocoder();
	  if (geocoder) {
		geocoder.getLatLng(
		  address,
		  function(point) {
			if (!point) {
				alert(address + " not found");
			} else {
				map = new GMap2(document.getElementById("map_canvas"));
				map.setCenter(point, 14);
				var marker = new GMarker(point);
				map.addOverlay(marker);

		    // The inactive version of the direction info
		    var html = company + '<br>Directions: <a href="javascript:tohere()">To here<\/a> - <a href="javascript:fromhere()">From here<\/a>';
      
      	// add markers to the map
				marker.openInfoWindowHtml(html);
				map.addControl(new GLargeMapControl());
				map.addControl(new GMapTypeControl());
				
				// make the info box show up when the marker is clicked
				GEvent.addListener(marker, "click", function() {
          marker.openInfoWindowHtml(html);
        });
				
	      // === create a GDirections Object ===
	      var gdir=new GDirections(map, document.getElementById("directions"));
	
	      // === Array for decoding the failure codes ===
	      var reasons=[];
	      reasons[G_GEO_SUCCESS]            = "Success";
	      reasons[G_GEO_MISSING_ADDRESS]    = "Missing Address: The address was either missing or had no value.";
	      reasons[G_GEO_UNKNOWN_ADDRESS]    = "Unknown Address:  No corresponding geographic location could be found for the specified address.";
	      reasons[G_GEO_UNAVAILABLE_ADDRESS]= "Unavailable Address:  The geocode for the given address cannot be returned due to legal or contractual reasons.";
	      reasons[G_GEO_BAD_KEY]            = "Bad Key: The API key is either invalid or does not match the domain for which it was given";
	      reasons[G_GEO_TOO_MANY_QUERIES]   = "Too Many Queries: The daily geocoding quota for this site has been exceeded.";
	      reasons[G_GEO_SERVER_ERROR]       = "Server error: The geocoding request could not be successfully processed.";
	      reasons[G_GEO_BAD_REQUEST]        = "A directions request could not be successfully parsed.";
	      reasons[G_GEO_MISSING_QUERY]      = "No query was specified in the input.";
	      reasons[G_GEO_UNKNOWN_DIRECTIONS] = "The GDirections object could not compute directions between the points.";
	
	      // === catch Directions errors ===
	      GEvent.addListener(gdir, "error", function() {
	        var code = gdir.getStatus().code;
	        var reason="Code "+code;
	        if (reasons[code]) {
	          reason = reasons[code]
	        } 
	
	        alert("Failed to obtain directions, "+reason);
	      });
				
				// add the marker and directions object to the global vars
				thegdir = gdir;
				themarker = marker;
				
			}
		  }
		);
	  } // if (geocoder) 
	} // if (GBrowserIsCompatible())
}

      // ===== request the directions =====
      function getDirections() {
        // ==== Set up the walk and avoid highways options ====
        var opts = {};
        if (document.getElementById("walk").checked) {
           opts.travelMode = G_TRAVEL_MODE_WALKING;
        }
        if (document.getElementById("highways").checked) {
           opts.avoidHighways = true;
        }
        // ==== set the start and end locations ====
        var saddr = document.getElementById("saddr").value
        var daddr = document.getElementById("daddr").value
        thegdir.load("from: "+saddr+" to: "+daddr, opts);
      }


      // functions that open the directions forms
      function tohere() {
      	if (GBrowserIsCompatible()) {
				  geocoder = new GClientGeocoder();
				  if (geocoder) {
				  	var address = "62980 Boyd Acres Road # D1, Bend, OR 97701, United States";
		      	geocoder.getLatLng(address,
		  			function(point) {
							if (!point) {
								alert(address + " not found");
							} else {
						    var company = "RV Outfitters";
						    var to_html = company + '<br>Directions: <b>To here<\/b> - <a href="javascript:fromhere()">From here<\/a>' +
						       '<br>Start address:<form action="javascript:getDirections()">' +
						       '<input type="text" SIZE=40 MAXLENGTH=40 name="saddr" id="saddr" value="" /><br>' +
						       '<INPUT value="Get Directions" TYPE="SUBMIT"><br>' +
						       'Walk <input type="checkbox" name="walk" id="walk" /> &nbsp; Avoid Highways <input type="checkbox" name="highways" id="highways" />' +
						       '<input type="hidden" id="daddr" value="'+company+"@"+ point.lat() + ',' + point.lng() + 
						       '"/>';
				        themarker.openInfoWindowHtml(to_html);
				      }
				    }
				    );
					}
				}
      }
      function fromhere() {
      	if (GBrowserIsCompatible()) {
				  geocoder = new GClientGeocoder();
				  if (geocoder) {
				  	var address = "62980 Boyd Acres Road # D1, Bend, OR 97701, United States";
		      	geocoder.getLatLng(address,
		  			function(point) {
							if (!point) {
								alert(address + " not found");
							} else {
				      	var company = "RV Outfitters";
						    var from_html = company + '<br>Directions: <a href="javascript:tohere()">To here<\/a> - <b>From here<\/b>' +
						       '<br>End address:<form action="javascript:getDirections()">' +
						       '<input type="text" SIZE=40 MAXLENGTH=40 name="daddr" id="daddr" value="" /><br>' +
						       '<INPUT value="Get Directions" TYPE="SUBMIT"><br>' +
						       'Walk <input type="checkbox" name="walk" id="walk" /> &nbsp; Avoid Highways <input type="checkbox" name="highways" id="highways" />' +
						       '<input type="hidden" id="saddr" value="'+company+"@"+ point.lat() + ',' + point.lng() +
						       '"/>';
				        themarker.openInfoWindowHtml(from_html);
				      }
				    }
				    );
					}
				}
      }