bringing all changes from sandbox/euzuro/LayersReworking down into the trunk. this is a merge of r656:HEAD http://svn.openlayers.org/sandbox/euzuro/LayersReworking

git-svn-id: http://svn.openlayers.org/trunk/openlayers@806 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/Text.js

@@ -10,7 +10,7 @@ OpenLayers.Layer.Text = Class.create();
 OpenLayers.Layer.Text.prototype = 
   Object.extend( new OpenLayers.Layer.Markers(), {
 
-    /** store url of text file
+    /** store url of text file - this should be specified in the "options" hash
     * @type str */
     location:null,
 
@@ -25,16 +25,18 @@ OpenLayers.Layer.Text.prototype =
     *
     * @param {String} name
     * @param {String} location
+    * @param {Object} options Hash of extra options to tag onto the layer
     */
-    initialize: function(name, location) {
-        OpenLayers.Layer.Markers.prototype.initialize.apply(this, [name]);
-        this.location = location;
+    initialize: function(name, options) {
+        OpenLayers.Layer.Markers.prototype.initialize.apply(this, arguments);
         this.features = new Array();
-        new Ajax.Request(location, 
-          { method: 'get', onComplete:this.parseData.bind(this) } );
+        if (this.location != null) {
+            new Ajax.Request(this.location, 
+              { method: 'get', onComplete:this.parseData.bind(this) } );
+        }
     },
 
-    /**
+   /**
      * 
      */
     destroy: function() {
@@ -43,7 +45,7 @@ OpenLayers.Layer.Text.prototype =
         OpenLayers.Layer.Markers.prototype.destroy.apply(this, arguments);
     },
     
-    /** WFS layer is never a base class. 
+    /** Text layer is never a base class. 
      * @type Boolean
      */
     isBaseLayer: function() {