I hope this isn't a big repeat of a post. (I did do a little research on the board before posting.)

I've recently started doing yoga. It's really helped with my stress and things like that. However, what are your thoughts about using it to help with weightloss? I've been doing it three times a week. The thing is...I'm doing it in place of my regular work out (eliptical and weights). I'm still doing the regular work out, but it's only happening two to three times a week as opposed to six times a week. Good idea?
TIA