Rails spinoffs - Jun 2006 - [Fwd: stopping effects, help me again]

My friend Sigi wrote:
> Pulsator = Class.create();
>     Pulsator.prototype = {initialize: function(element,options)
>     {
>         this.element = element;
>         this.options = options || {};
>         this.options.afterFinish = this.action.bind(this);
>         this.stopped = false;
>         this.action();
>     },
>     action: function(){
>         if(!this.stopped) new Effect.Pulsate (this.element,this.options);
>     },
>
>     stop: function() {
>         this.stopped = true;
>     }
> }
problem real and original is line:
this.stopped = true;

So i test to Hide effect and then a Appear effect but not work :(

thanks
rag