Extra spaces in form’s inserted into post

I’m trying to past commission junction form code into one of my posts. I’m getting alot of spaces in the post, it doesn’t do that if I paste it into a html page. Has anyone else encountered this? The link to the page is http://www.geniearticles.com/blog/2006/03/09/inflatable-kayaks-becoming-popular-with-water-enthusiasts/ for anyone that wants to see.