Are these withdrawal symptoms normal when quitting marijuana and alcohol?

Have smoked weed since age 23(1998) gave up for a year in 99/2000 and smoked weed constantly since until recently quitting 24/01/2008 (7 years) I also have drunk alot of alcohol in the last three years (mostly pre-mix bourbon) I also quit that same day. Since quitting I have had some normal withdrawl symptons eg: [...] http://bit.ly/oHVEY4