Create a Firefox-USERSCRIPT, preferably with greasemonkey

Look at this Chrome Extension [login to view URL] Please apply the same script for Firefox. Maybe You can copy the existing chrome extension and create the same extension for Firefox using SDK. Your task is to find or create a firefox UserScript to make the following thing possible in Firefox: Ignore X-Frame headers For a detailed taskdescription please see: [login to view URL] important: You should understand the "x-frame-origin" policy to complete this task. I expect this task to be done at approx around 50 Euro You may also write this using greasemonkey - I am familiar with userscripts