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As with any new release, Flash Player 7 supports more ActionScript commands than previous versions of the player; you can use these commands to implement more robust scripts. (See New and changed ActionScript language elements.)However, if you used any of these commands in your existing scripts, the script might not work correctly if you publish it for Flash Player 7.
For example, if you have a script with a function named Error, the script might appear to compile correctly but might not run as expected in Flash Player 7, because Error is now a built-in class (and thus a reserved word) in ActionScript. You can fix your script by renaming the Error function to something else, such as ErrorCondition.
Also, Flash Player 7 implements a number of changes that affect how one SWF file can access another SWF file, how external data can be loaded, and how local settings and data (such as privacy settings and locally persistent shared objects) can be accessed. Finally, the behavior of some existing features has changed.
If you have existing scripts written for Flash Player 6 or earlier that you want to publish for Flash Player 7, you might need to modify the scripts so they conform with the implementation of Flash Player 7 and work as designed. These modifications are discussed in this section.
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