I have a couple of questions about usermodes, as the topic suggests.

What are the Possible User modes, I know there are:

Server Notices: S
Invisible: I
Deaf: D

What else is there?

2nd Question is: How can I tell what user modes I have implemented apon myself? Like is there a variable, so I can check to see if I have Deaf mode on... (IE. for in the popups i can have an if (so when i click on Deaf, it toggles between Deaf on and off - Detects if it is on, if so turn it off and vice versa