1. A process for modifying an application computer program, said application computer program configured in its unmodified form to execute within a first electronic execution environment, said process comprising: identifying boundaries of a subsection of said application computer program; modifying said subsection of said application computer program to a form which, when executed within the first electronic execution environment, triggers an invocation of a second electronic execution environment different from said first execution environment; and incorporating with said application computer program control information enabling execution of the application computer program in the second execution environment.