:mScriptObject(nsnull)
: mScriptObject(nsnull), mCurrentElement(nsnull), mUpdaters(nsnull)
XULCommandDispatcherImpl::XULCommandDispatcherImpl(void):mScriptObject(nsnull){	NS_INIT_REFCNT();  mCurrentElement = nsnull;  mFocusListeners = nsnull;}