Hi ihower i'm sending to you this pull request to warn you that were fixed the 'Ajax is not defined' error. I hope that i can be contributed for something.
fixing 'Ajax is not defined' bug
I see. The remote_function seems depend on prototype.js and should replace by pure jQuery version.
But your implementation need to pass authenticity_token manually :(
I, too, would love to see this merged into the ihower:master!