What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Please share the web page URL where you have embedded your form and we will take a look.
You may also like to check the following guide on how to change the height in Xara: http://www.jotform.com/help/175-Changing-Height-in-Xara-7 I am not sure if Xara 9 interface is changed but you should get some idea.
You may also like to check the following support URL of Xara: http://support.xara.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=2698
Hope this helps.
Do get back to us if the issue persists.