diff --git a/src/ol/Map.js b/src/ol/Map.js
index 68c5e69810..ebc2d3408c 100644
--- a/src/ol/Map.js
+++ b/src/ol/Map.js
@@ -1,232 +1,232 @@
-goog.provide('ol.Map');
-
-goog.require('ol.Loc');
-goog.require('ol.Projection');
-
-
-
-/**
- * @constructor
- */
-ol.Map = function() {
-
-    /**
-     * @private
-     * @type {ol.Projection}
-     */
-    this.projection_ = null;
-
-    /**
-     * @private
-     * @type {ol.Projection}
-     */
-    this.userProjection_ = null;
-
-    /**
-     * @private
-     * @type {ol.Loc}
-     */
-    this.center_ = new ol.Loc(0, 0);
-
-    /**
-     * @private
-     * @type {number}
-     */
-    this.zoom_ = 0;
-
-    /**
-     * @private
-     * @type {number}
-     */
-    this.numZoomLevels_ = 22;
-
-    /**
-     * @private
-     * @type {Array|undefined}
-     */
-    this.resolutions_ = null;
-
-    /**
-     * @private
-     * @type {Array|undefined}
-     */
-    this.layers_ = null;
-
-};
-
-/** 
-  @const
-  @type {string} 
-*/
-ol.Map.prototype.DEFAULT_PROJECTION = "EPSG:3857";
-/** 
-  @const
-  @type {string} 
-*/
-ol.Map.prototype.DEFAULT_USER_PROJECTION = "EPSG:4326";
-
-
-/**
- * @return {ol.Loc} Location.
- */
-ol.Map.prototype.getCenter = function() {
-    return this.center_;
-};
-
-
-/**
- * @return {!ol.Projection} Projection.
- */
-ol.Map.prototype.getProjection = function() {
-    if (goog.isNull(this.projection_)) {
-        this.projection_ = new ol.Projection(this.DEFAULT_PROJECTION);
-    }
-    return this.projection_;
-};
-
-
-/**
- * @return {!ol.Projection} User projection.
- */
-ol.Map.prototype.getUserProjection = function() {
-    if (goog.isNull(this.userProjection_)) {
-        this.userProjection_ = new ol.Projection(this.DEFAULT_USER_PROJECTION);
-    }
-    return this.userProjection_;
-};
-
-
-/**
- * @return {number} Zoom.
- */
-ol.Map.prototype.getZoom = function() {
-    return this.zoom_;
-};
-
-
-/**
- * @return {number} number of zoom levels.
- */
-ol.Map.prototype.getNumZoomLevels = function() {
-    return this.numZoomLevels_;
-};
-
-
-/**
- * @return {Array|undefined} array of resolutions available for this map
- */
-ol.Map.prototype.getResolutions = function() {
-    return this.resolutions_;
-};
-
-
-/**
- * @return {Array|undefined} array of layers available for this map
- */
-ol.Map.prototype.getLayers = function() {
-    return this.layers_;
-};
-
-
-/**
- * @return {ol.Bounds} the maxExtent for the map
- */
-ol.Map.prototype.getMaxExtent = function() {
-    if (goog.isDefAndNotNull(this.maxExtent_)) {
-        return this.maxExtent_;
-    } else {
-        var extent = this.projection.getMaxExtent();
-        if (goog.isDefAndNotNull(extent)) {
-            return extent;
-        } else {
-            throw('maxExtent must be defined either in the map or the projection');
-        }
-    }
-        
-};
-
-
-/**
- * @param {ol.Loc} center Center.
- * @return {ol.Map} This.
- */
-ol.Map.prototype.setCenter = function(center) {
-    this.center_ = center;
-    return this;
-};
-
-
-/**
- * @param {ol.Projection} projection Projection.
- * @return {ol.Map} This.
- */
-ol.Map.prototype.setProjection = function(projection) {
-    this.projection_ = projection;
-    return this;
-};
-
-
-/**
- * @param {ol.Projection} userProjection set the user projection.
- * @return {ol.Map} This.
- */
-ol.Map.prototype.setUserProjection = function(userProjection) {
-    this.userProjection_ = userProjection;
-    return this;
-};
-
-
-/**
- * @param {number} zoom Zoom.
- * @return {ol.Map} This.
- */
-ol.Map.prototype.setZoom = function(zoom) {
-    this.zoom_ = zoom;
-    return this;
-};
-
-
-/**
- * @param {number} nZoom Zoom.
- * @return {ol.Map} This.
- */
-ol.Map.prototype.setNumZoomLevels = function(nZoom) {
-    this.numZoomLevels_ = nZoom;
-    return this;
-};
-
-/**
- * @param {Array} resolutions the map resolutions if set on the map
- * @return {ol.Map} This.
- */
-ol.Map.prototype.setResolutions = function(resolutions) {
-    this.resolutions_ = resolutions;
-    return this;
-};
-
-/**
- * @param {Array} layers the layers set on the map
- * @return {ol.Map} This.
- */
-ol.Map.prototype.setLayers = function(layers) {
-    this.layers_ = layers;
-    return this;
-};
-
-/**
- * @param {ol.Bounds} extent the maxExtent for the map
- * @return {ol.Map} This.
- */
-ol.Map.prototype.setMaxExtent = function(extent) {
-    this.maxExtent_ = extent;
-    return this;
-};
-
-/**
-*/
-ol.Map.prototype.destroy = function() {
-    //remove layers, etc.
-    for (var key in this) {
-        delete this[key];
-    }
-};
+goog.provide('ol.Map');
+
+goog.require('ol.Loc');
+goog.require('ol.Projection');
+
+
+
+/**
+ * @constructor
+ */
+ol.Map = function() {
+
+    /**
+     * @private
+     * @type {ol.Projection}
+     */
+    this.projection_ = null;
+
+    /**
+     * @private
+     * @type {ol.Projection}
+     */
+    this.userProjection_ = null;
+
+    /**
+     * @private
+     * @type {ol.Loc}
+     */
+    this.center_ = null;
+
+    /**
+     * @private
+     * @type {number}
+     */
+    this.zoom_ = undefined;
+
+    /**
+     * @private
+     * @type {number}
+     */
+    this.numZoomLevels_ = 22;
+
+    /**
+     * @private
+     * @type {Array|undefined}
+     */
+    this.resolutions_ = null;
+
+    /**
+     * @private
+     * @type {Array|undefined}
+     */
+    this.layers_ = null;
+
+};
+
+/** 
+  @const
+  @type {string} 
+*/
+ol.Map.prototype.DEFAULT_PROJECTION = "EPSG:3857";
+/** 
+  @const
+  @type {string} 
+*/
+ol.Map.prototype.DEFAULT_USER_PROJECTION = "EPSG:4326";
+
+
+/**
+ * @return {ol.Loc} Location.
+ */
+ol.Map.prototype.getCenter = function() {
+    return this.center_;
+};
+
+
+/**
+ * @return {!ol.Projection} Projection.
+ */
+ol.Map.prototype.getProjection = function() {
+    if (goog.isNull(this.projection_)) {
+        this.projection_ = new ol.Projection(this.DEFAULT_PROJECTION);
+    }
+    return this.projection_;
+};
+
+
+/**
+ * @return {!ol.Projection} User projection.
+ */
+ol.Map.prototype.getUserProjection = function() {
+    if (goog.isNull(this.userProjection_)) {
+        this.userProjection_ = new ol.Projection(this.DEFAULT_USER_PROJECTION);
+    }
+    return this.userProjection_;
+};
+
+
+/**
+ * @return {number} Zoom.
+ */
+ol.Map.prototype.getZoom = function() {
+    return this.zoom_;
+};
+
+
+/**
+ * @return {number} number of zoom levels.
+ */
+ol.Map.prototype.getNumZoomLevels = function() {
+    return this.numZoomLevels_;
+};
+
+
+/**
+ * @return {Array|undefined} array of resolutions available for this map
+ */
+ol.Map.prototype.getResolutions = function() {
+    return this.resolutions_;
+};
+
+
+/**
+ * @return {Array|undefined} array of layers available for this map
+ */
+ol.Map.prototype.getLayers = function() {
+    return this.layers_;
+};
+
+
+/**
+ * @return {ol.Bounds} the maxExtent for the map
+ */
+ol.Map.prototype.getMaxExtent = function() {
+    if (goog.isDefAndNotNull(this.maxExtent_)) {
+        return this.maxExtent_;
+    } else {
+        var extent = this.getProjection().getExtent();
+        if (goog.isDefAndNotNull(extent)) {
+            return extent;
+        } else {
+            throw('maxExtent must be defined either in the map or the projection');
+        }
+    }
+        
+};
+
+
+/**
+ * @param {ol.Loc} center Center.
+ * @return {ol.Map} This.
+ */
+ol.Map.prototype.setCenter = function(center) {
+    this.center_ = center;
+    return this;
+};
+
+
+/**
+ * @param {ol.Projection} projection Projection.
+ * @return {ol.Map} This.
+ */
+ol.Map.prototype.setProjection = function(projection) {
+    this.projection_ = projection;
+    return this;
+};
+
+
+/**
+ * @param {ol.Projection} userProjection set the user projection.
+ * @return {ol.Map} This.
+ */
+ol.Map.prototype.setUserProjection = function(userProjection) {
+    this.userProjection_ = userProjection;
+    return this;
+};
+
+
+/**
+ * @param {number} zoom Zoom.
+ * @return {ol.Map} This.
+ */
+ol.Map.prototype.setZoom = function(zoom) {
+    this.zoom_ = zoom;
+    return this;
+};
+
+
+/**
+ * @param {number} nZoom Zoom.
+ * @return {ol.Map} This.
+ */
+ol.Map.prototype.setNumZoomLevels = function(nZoom) {
+    this.numZoomLevels_ = nZoom;
+    return this;
+};
+
+/**
+ * @param {Array} resolutions the map resolutions if set on the map
+ * @return {ol.Map} This.
+ */
+ol.Map.prototype.setResolutions = function(resolutions) {
+    this.resolutions_ = resolutions;
+    return this;
+};
+
+/**
+ * @param {Array} layers the layers set on the map
+ * @return {ol.Map} This.
+ */
+ol.Map.prototype.setLayers = function(layers) {
+    this.layers_ = layers;
+    return this;
+};
+
+/**
+ * @param {ol.Bounds} extent the maxExtent for the map
+ * @return {ol.Map} This.
+ */
+ol.Map.prototype.setMaxExtent = function(extent) {
+    this.maxExtent_ = extent;
+    return this;
+};
+
+/**
+*/
+ol.Map.prototype.destroy = function() {
+    //remove layers, etc.
+    for (var key in this) {
+        delete this[key];
+    }
+};