Examine source code of F365 Go Bye

{
  "manifest_version": 2,
  "name": "F365 Go Bye",
  "version": "0.8resigned1",
  "background": {
    "scripts": [
      "byego.js"
    ]
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "http://forum.football365.com/*.php*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6de865ad-80a3-4cc8-97bd-a468c218e3c2}"
    }
  }
}