Index: dragdrop.js
===================================================================
--- dragdrop.js	(revision 2962)
+++ dragdrop.js	(working copy)
@@ -111,8 +111,8 @@
   removeObserver: function(element) {  // element instead of obsever fixes mem leaks
     this.observers = this.observers.reject( function(o) { return o.element==element });
   },
-  notify: function(eventName, draggable) {  // 'onStart', 'onEnd'
-    this.observers.invoke(eventName, draggable);
+  notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag'
+      this.observers.invoke(eventName, draggable, event);
   }
 }
 
@@ -220,7 +220,7 @@
     }
 
     if(success) Droppables.fire(event, this.element);
-    Draggables.notify('onEnd', this);
+    Draggables.notify('onEnd', this, event);
 
     var revert = this.options.revert;
     if(revert && typeof revert == 'function') revert = revert(this.element);
@@ -291,11 +291,12 @@
           this.element.parentNode.insertBefore(this._clone, this.element);
         }
 
-        Draggables.notify('onStart', this);
+        Draggables.notify('onStart', this, event);
         if(this.options.starteffect) this.options.starteffect(this.element);
       }
 
       Droppables.show(event, this.element);
+      Draggables.notify('onDrag', this, event);
       this.draw(event);
       if(this.options.change) this.options.change(this);
 
@@ -316,13 +317,15 @@
     this.observer  = observer;
     this.lastValue = Sortable.serialize(this.element);
   },
-  onStart: function() {
+  onStart: function(draggable, event) {
     this.lastValue = Sortable.serialize(this.element);
   },
-  onEnd: function() {
+  onEnd: function(draggable, event) {
     Sortable.unmark();
     if(this.lastValue != Sortable.serialize(this.element))
       this.observer(this.element)
+  },
+  onDrag: function(draggable, event) {
   }
 }