[flexcoders] SetInteval Error

[Deniz Davutoglu]

Hello Guys,
I have collection of loaders whitch I try to manipulate with
setInterval() Code works and movie clip loaded in loader goes to
prevFrame but flash player trows me error. do you have any idea why?

var objeler:int=setInterval(loadObjects,1000)

function loadObjects():void{
        
        for (var i:int=0;i<=moods.length;i++){

                
                moods[i].content.root.prevFrame()
                }
        }


TypeError: Error #1010: A term is undefined and has no properties.
        at index_fla::MainTimeline/loadObjects()
        at Function/http://adobe.com/AS3/2006/builtin::apply()
        at <anonymous>()
        at SetIntervalTimer/onTimer()
        at flash.utils::Timer/_timerDispatch()
        at flash.utils::Timer/tick()