[Action Script] Scope?! problem Perhaps May,2012

I'm trying to time a slide presentation where I add other elements than just the slide.

I think this scrap is all that's needed to show the problem. The newSlide() is called in two places, one timed and one untimed. When outside the timer (not where I want it) the function succeeds. Inside the timer I get : Error #1010: A term is undefined and has no properties.

ActionScript Code: for each (var  item in menuXML.gallery.imageFile){        newSlide();        i++;        tenSecondTimer.addEventListener(TimerEvent.TIMER, unWait);        function unWait(evt:TimerEvent){newSlide();}        tenSecondTimer.start();            }//While we got nodes
The offending line in newSlide() is:

imageFileName = menuXML.gallery.imageFile[i].@fileTitle.toXMLString();

Both imageFileName and menuXML are declared public at the top of the document.

thankyou in advance for your help.
Scope?! problem Perhaps

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