nsIScriptEventHandler Interface

 Invoke:

 Executes this script handler.

 @param aTargetObject  Object to which the script handler is bound.

 @param aArgs          Array of arguments passed to the script handler.
                       This is an array of jsvals.

 @param aArgCount      Number of elements in the aArgs array.

void Invoke(in nsISupports aTargetObject, in voidPtr aArgs, in unsigned long aArgCount)

 IsSameEvent:

 Determines if this script event handler is bound to the given
 object and event name.

 @param aObjectName  Name of the object raising the event.

 @param aEventName   Name of the event being raised.

 @param aArgCount    Number of arguments expected by the event handler.

boolean IsSameEvent(in AString aObjectName, in AString aEventName, in unsigned long aArgCount)