I will suggest to consult a doc since this diet lack other products your body needs
http://www.webmd.com/diet/features/skinny-diet-not-big-on-meatw-sweets
http://www.mayoclinic.com/health/vegetarian-diet/HQ01596
http://www.tapuz.co.il/forums/apps/spCount.asp?spid=3854
http://www.annecollins.com/vegan-diet.htm