that may be because you are building muscle - which is notoriously heavier than fat. Some people on here don't use scales and use a tape measure (on all kinds of body parts) or their clothes instead, perhaps you could give that a try.
35kg lost. (November 2005 - October 2006)
15kg gained again (as at October 2010).
Back to the drawing board - Let's do this thing!
"You can't change the winds, but you can change the sails"
"Reach out and take control of what lands in your lap"