1. A method for enabling global grammars for a particular multimodal application, the method implemented with a multimodal browser and a multimodal application operating on a multimodal device supporting multiple modes of user interaction with the multimodal application, the modes of user interaction including a voice mode and one or more non-voice modes, the method comprising: loading a multimodal web page; determining whether the loaded multimodal web page is one of a plurality of multimodal web pages of the particular multimodal application; if the loaded multimodal web page is one of the plurality of multimodal web pages of the particular multimodal application, loading any currently unloaded global grammars in the loaded multimodal web page and maintaining any previously loaded global grammars; and if the loaded multimodal web page is not one of the plurality of multimodal web pages of the particular multimodal application, unloading any currently loaded global grammars.