Use the if tag to use different layout on the varoius screens
imhoscreen is one of: login,logout,mailindex,compose,attachments,files,
addressbook,editaddress,importaddress,folderlist,
readmail,setup,dialog and spellcheck.
imho_name inserts the name of the current user.
imho_title inserts the "page title" - mailbox name or
"mode", e.g. "compose"
: []
imho_buttons inserts the command buttons that should be present
on every screen but the login and logout ones, they won't do
much good there. All available arguments are used below. You don't
have to specify any of them, since they have defaults.
imho_main inserts the main contents of a page. Some available arguments
are used below. You don't have to specify any of them, since they have
default values.
Additional arguments are: 'check' for specifying an url for an alternative
check image and 'arrowup' and 'arrowdown' for the arrow images and
'folder' for the folder icon in the folder list.