JQuery :: Create An AJAX Form Within A Modal Window?

I am creating an admin in ColdFusion and am trying to add a feature where when the user clicks the "edit" button for something, a modal window will pop up which contains a form (loaded from an external file) that when the user submits it, it's an AJAX submit and then the modal window closes and fires off a function that updates the display page. I am using SimpleModal [URL] and I managed to load an external form file into the modal window using $.get but then I can't figure out how to get that form that loads in the modal window to submit via AJAX instead of the default form post that happens. I need to submit their data via AJAX and then if successful, close the window and do the update function on the display. Has anyone already done this?