Oh look, random javascript. You'll want greasemonkey (for firefox) or maybe tampermonkey (for chrome, optional) to use these. Greasemonkey: https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/ Tampermonkey: https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo Greasemonkey has the better name.