Problema con unloadMovie

[enigma_79]

on(release) { 
loadMovie ("scena.swf", "_root.mc"); 
luoghi._visible=false; 
zodiaco._visible=false; 
edicola._visible=false; 
}

on (release){ 
unloadMovie("_root.mc"); 
luoghi._visible=true; 
zodiaco._visible=true; 
edicola._visible=true; 
}