Calendar is being cut off even though the bounding box is plenty big enough.

Also calendar is being cut off even though the bounding box is plenty big enough.

I checked your page and the area your form is being embedded to does not seem to be quite big enough to include the calendar:

Even with scrolling enabled.  If you replace your current embed code with the iframe code:

http://www.jotform.com/help/148-Getting-the-Form-iFrame-Code

The height of the frame can be adjusted to include the full form.