Change the Text under email on the anonymous ticket submit in Zendesk

change-text-submit-form.js

 message = 'If you previously signed up with Support';
   message += '(to post to the Forum and/or create a Support ticket) please ';
   message += '<a href=\"login?return_to=http%3A%2F%2Fsupport.zendesk.com%2Frequests%2Fnew\">login</a>';
   message += ' first to submit a request.';
   //check to see if you are on the end users request page
   if (window.location.href.indexOf('anonymous_requests') >= 0) { 
      jQuery('p:contains(If you are a registered user)').html(message);
      }