(PHP 5 <= 5.3.0, PECL ming SVN)
SWFButton::addAction — Adds an action
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.
   Adds the given action to the button for the given
   conditions. 
  
actionAn SWFAction, returned by SWFAction::__construct().
flags
       The following flags are valid: 
       SWFBUTTON_MOUSEOVER, 
       SWFBUTTON_MOUSEOUT, 
       SWFBUTTON_MOUSEUP,
       SWFBUTTON_MOUSEUPOUTSIDE, 
       SWFBUTTON_MOUSEDOWN, 
       SWFBUTTON_DRAGOUT and
       SWFBUTTON_DRAGOVER.
      
No value is returned.