Implement printer friendly through CSS also for non-javascript. This will bring up a new window with read_body loaded with a message box telling the user to print it. Also tweak the print stylesheet a bit. git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@13123 7612ce4b-ef26-0410-bec9-ea0150e637f0