* print vreg content once fully initialized (require move of print code from vregistry to cwvreg)
* new vreg_initialization_completed callback on appobjects, called once the vregistry is fully initialized
/* toggle visibility of an element by its id
* & set current visibility status in a cookie
* XXX whenever used outside of preferences, don't forget to
* move me in a more appropriate place
*/
function toggle_and_remember_visibility(elemId, cookiename) {
jqNode(elemId).toggleClass('hidden');
async_remote_exec('set_cookie', cookiename,
jQuery('#' + elemId).attr('class'));
}