Changing default theme

Changing default theme

Alpha 2 looks awesome! I have a question about changing the default theme from c to something else (like a or b). I can do this manually, by setting the theme of the page. However, submit buttons and the like, which are being generated by my webapp render in theme c regardless of what I set the page at... Is there a way in the init to tell it to use a different default theme, like: 

$(document).bind("mobileinit", function(){

$.mobile.theme = 'a';
});