ActionScript 3.0 :: Pass Parameters To A Function In Main Class From Loaded SWF?

Aug 15, 2011

I've got a main.as that loads SWF to the stage. the loaded SWF seppoused to pass a link to the main.as and trigger a javascript function to popUp that photo from that link.

I know there are two ways:
 
((root as MovieClip).parent.parent as Object).somefunction(parameters);
 
and to dispatch an event. inorder to pass parameters throug the event i need to extend it with another class.
 
isnt the (root as... )  more efficient if all i need is to pass a link?

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