Rails spinoffs - Jan 2006 - Adding a handler for a pre-existing draggable

Is it possible to add a handler for an event to a draggable that already
exists? That is, if I have in a Widget class:

var Widget = Class.create();
Widget.prototype = {
...
this.draggable = new Draggable(this.element);
...
}

and I create several Widgets, then later, I want to add a handler for the
draggable.onDrag function, what''s the appropriate method to do so?

Thanks in advance!

-Jerod


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