here's a link to the faq here... should help a little
http://www.guitartricks.com/faq.shtml
I think most tab sites have some instruction on them too...
here are a few to get you started:
http://www.guitartabs.net/
http://www.wholenote.com/
http://www.electric-guitar.co.uk/
good luck and let us know how you're progressing!
"The one truly great thing about this life is that noone can sincerely and truly help someone, without helping themselves"
Ralph Waldo Emerson
Ralph Waldo Emerson