Hi Guillaume,

Just #bind is sufficient. You almost never need #bindAsEventListener:
http://proto-scripty.wikidot.com/prototype:tip-you-probably-don-t-need-bindaseventlistener

-- T.J. :-)

On Jul 21, 10:18 am, Guillaume Lepicard <guillaume.lepic...@gmail.com>
wrote:
> Hi, you need to bind the listener function to your object:
>  $('box').addEventListener("click",this.takeAction.bindAsEventListener(this) 
> ,false);
>
> more 
> details:http://api.prototypejs.org/language/function/prototype/bindaseventlis...
>
>
>
> On Tue, Jul 20, 2010 at 7:13 PM, Doc Torbin <mtor...@gmail.com> wrote:
> > I have the following snippet of code which illustrates a problem that
> > I'm having.  I have an event listener within a class that I'd like to
> > have be "self aware".  I'd like it to be able to call another function
> > within the Class but I haven't found the right method to have it do
> > so.  Please advise:
>
> > <!DOCTYPE html>
> > <html>
> >        <head>
> >                <script type="text/javascript"
> > src="../prototype.js"></script>
> >                <style type="text/css">
> >                        #box{position:fixed;width:100px;border:3px solid
> > #000;background-
> > color:#00ff00;font-size:14pt;font-weight:bold;text-
> > align:center;padding:50px 25px;cursor:pointer;}
> >                </style>
> >                <script type="text/javascript">
> >                        var MyOBJ = new Class.create();
> >                        MyOBJ.prototype = {
> >                                initialize: function(){
> >                                        try{
>
> >  $('box').addEventListener("click",this.takeAction,false);
> >                                        }
> >                                        catch(error){alert(error);}
> >                                },
> >                                takeAction: function(event){
> >                                        alert("I got to this function
> > without issue.");
> >                                        this.anotherAction();
> >                                },
> >                                anotherAction: function(){
> >                                        alert("I won't get here.");
> >                                }
> >                        }
>
> >                        document.observe("dom:loaded", function(){
> >                                var spriteOBJ = new MyOBJ();
> >                        });
> >                </script>
> >        </head>
> >        <body>
> >                <div id="box">BOX</div>
> >        </body>
> > </html>
>
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