nsIScriptContextOwner Interface

 Returns a script context. The assumption is that the
 script context has an associated script global object and
 is ready for script evaluation.

nsIScriptContext getScriptContext()

 Returns the script global object

nsIScriptGlobalObject getScriptGlobalObject()

 Called to indicate that the script context is no longer needed.
 The caller should <B>not</B> also call the context's Release()
 method.

void releaseScriptContext(in nsIScriptContext aContext)

 Error notification method. Informs the owner that an error 
 occurred while a script was being evaluted.

void reportScriptError(in string aErrorString, in string aFileName, in long aLineNo, in string aLineBuf)