<html> <head> <script> function getMyOption() { return new Option(); } function getCallersOption(caller) { return new caller.Option(); } function getMyAudio() { return new Audio(); } function getCallersAudio(caller) { return new caller.Audio(); } function getMyImage() { return new Image(); } function getCallersImage(caller) { return new caller.Image(); } </script> </head> <body> the iframe </body> </html>