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I was able to see this problem when I test submitted the embedded form in your website.
I was not able to submit the form using the submit button and it was stuck to "Please wait..."
but then again it must be due to script conflict.
We will wait for your update once have created the test page as suggested on this thread http://www.jotform.com/answers/408752
Please update us once you have created the test stand-alone page.