The Javascript for Mega looks very messy; all resources loaded via XHR, loading jQuery but using `document.getElementById` all over the place, using client-side

The Javascript for Mega looks very messy; all resources loaded via XHR, loading jQuery but using `document.getElementById` all over the place, using client-side Javascript to validate the integrity of all these XHR-loaded resources... They say that this is their first Javascript coding; they should really get some talent on board to clean this up.