Added alternatvie way to initialize the map object, without passing a

div to the constructor. Original patch by tcoulter, modifications by
me and tschaub. r=tschaub (closes #1901)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@9068 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Events.js

@@ -450,7 +450,6 @@ OpenLayers.Events = OpenLayers.Class({
     initialize: function (object, element, eventTypes, fallThrough, options) {
         OpenLayers.Util.extend(this, options);
         this.object     = object;
-        this.element    = element;
         this.fallThrough = fallThrough;
         this.listeners  = {};
 
@@ -471,7 +470,7 @@ OpenLayers.Events = OpenLayers.Class({
         
         // if a dom element is specified, add a listeners list 
         // for browser events on the element and register them
-        if (this.element != null) {
+        if (element != null) {
             this.attachToElement(element);
         }
     },
@@ -514,6 +513,10 @@ OpenLayers.Events = OpenLayers.Class({
      * element - {HTMLDOMElement} a DOM element to attach browser events to
      */
     attachToElement: function (element) {
+        if(this.element) {
+            OpenLayers.Event.stopObservingElement(this.element);
+        }
+        this.element = element;
         for (var i=0, len=this.BROWSER_EVENTS.length; i<len; i++) {
             var eventType = this.BROWSER_EVENTS[i];