/**
  * Adds JavaScript
  */
 public static function addJS()
 {
     global $wgClickTrackingStyleVersion;
     // HACK: Only add scripts when they're really needed by not initializing UIH here
     //UsabilityInitiativeHooks::initialize();
     UsabilityInitiativeHooks::addScript('ClickTracking/ClickTracking.js', $wgClickTrackingStyleVersion);
     UsabilityInitiativeHooks::addVariables(array('wgTrackingToken' => ClickTrackingHooks::get_session_id(), 'wgClickTrackingIsThrottled' => ClickTrackingHooks::isUserThrottled()));
     return true;
 }