$('document').ready(function(){
  $('#geobutton').click(determineLocation);
  $('#showwaybutton').click(letsGo);
});

var address1;
var address2;
var map;

function initialize() {

  var myOptions = {
	zoom: 12,
	center: new google.maps.LatLng(49.844808, 8.858109),
	mapTypeId: google.maps.MapTypeId.ROADMAP,
	mapTypeControl: true,
	scaleControl: false,
	navigationControl: true,
	navigationControlOptions: {style: google.maps.NavigationControlStyle.SMALL},
	streetViewControl: false
  };

  map = new google.maps.Map(document.getElementById("map-canvas"), myOptions);

}

google.maps.event.addDomListener(window, "load", initialize);



function letsGo() {
  address1 = document.getElementById("address1").value;
  address2 = "Fasanenhof Habitzheim 9, 64853 Otzberg";
  showMap();
}



function showMap() {
  var mapOptions = {
	zoom: 12,
	center: new google.maps.LatLng(49.844808, 8.858109),
	mapTypeId: google.maps.MapTypeId.ROADMAP,
	mapTypeControl: true,
	scaleControl: false,
	navigationControl: true,
	navigationControlOptions: {style: google.maps.NavigationControlStyle.SMALL},
	streetViewControl: false
  };

  map = new google.maps.Map(document.getElementById("map-canvas"), mapOptions);

  // show route between the points
  directionsService = new google.maps.DirectionsService();
  directionsDisplay = new google.maps.DirectionsRenderer();
  directionsDisplay.setMap(map);
  var request = {
	  origin:address1,
	  destination:address2,
	  travelMode: google.maps.DirectionsTravelMode.DRIVING
  };
  directionsDisplay.setPanel(document.getElementById("map-directions"));
  directionsService.route(request, function(result, status) {
	if (status != google.maps.DirectionsStatus.OK) {
	  alert('Directions failed: ' + status);
		return;
	} else {
	directionsDisplay.setDirections(result);
	}
  });
}



function determineLocation() {
  var directionsService = new google.maps.DirectionsService(),
  directionsDisplay = new google.maps.DirectionsRenderer(),

    createMapy = function (start) {
	  var myOptions = {
		zoom: 12,
		center: new google.maps.LatLng(49.844808, 8.858109),
		mapTypeId: google.maps.MapTypeId.ROADMAP,
		mapTypeControl: true,
		scaleControl: false,
		navigationControl: true,
		navigationControlOptions: {style: google.maps.NavigationControlStyle.SMALL},
		streetViewControl: false
	  };

	  map = new google.maps.Map(document.getElementById("map-canvas"), myOptions);

    };

	createMap = function (start) {
	  var travel = {
			  origin : (start.coords)? new google.maps.LatLng(start.lat, start.lng) : start.address,
			  destination : "Fasanenhof Habitzheim 9, 64853 Otzberg",
			  travelMode : google.maps.DirectionsTravelMode.DRIVING
		  },
		  mapOptions = {
			  zoom: 12,
			  center: new google.maps.LatLng(49.844808, 8.858109),
			  mapTypeId: google.maps.MapTypeId.ROADMAP,
			  mapTypeControl: true,
			  scaleControl: false,
			  navigationControl: true,
			  navigationControlOptions: {style: google.maps.NavigationControlStyle.SMALL},
			  streetViewControl: false
		  };

	  map = new google.maps.Map(document.getElementById("map-canvas"), mapOptions);
	  directionsDisplay.setMap(map);
	  directionsDisplay.setPanel(document.getElementById("map-directions"));
	  directionsService.route(travel, function(result, status) {
		if (status != google.maps.DirectionsStatus.OK) {
		  alert('Directions failed: ' + status);
			return;
		} else {
		directionsDisplay.setDirections(result);
		}
	  });
	};

	// Check for geolocation support
	if (navigator.geolocation) {
		navigator.geolocation.getCurrentPosition(function (position) {
		  // Success!
		  createMap({
			coords : true,
			lat : position.coords.latitude,
			lng : position.coords.longitude
		  });
		}, function () {
		  // Gelocation fallback:
		  createMapy();
		});
	} else if (google.gears) {
		// Try Google Gears Geolocation

	} else {
		// No geolocation fallback:
		createMapy();
	}
}