Inserito tutto come detto:
mi viene restituito questo errore:

**Error** Scene=Scene 1, layer=img 3D, frame=1:Line 8: ')' expected
if (this.muovi == 2 this._currentframe > 1) {

**Error** Scene=Scene 1, layer=img 3D, frame=1:Line 9: Statement must appear within on/onClipEvent handler
this.prevFrame();

**Error** Scene=Scene 1, layer=img 3D, frame=1:Line 10: Unexpected '}' encountered
}

Total ActionScript Errors: 3 Reported Errors: 3


Ah! dimenticavo...AS versione 1 o 2?