Takayuki Miyoshi on "[Plugin: Contact Form 7] Multiple AJAX Spinners on Submission"

The form on the page is not what Contact Form 7 generates, or the plugin you are using is not the legitimate version of Contact Form 7. That is clear by looking at the HTML source of the page. I guess it's your theme bundles? Remove the plugin and reinstall real Contact Form 7 from here:

http://wordpress.org/extend/plugins/contact-form-7/