Actionscript (3.0) code to match colors of a banner with the site it's showing on

adperium_banner.as

// Allow access from Javascript
flash.system.Security.allowDomain("*");

// To be called from Javascript when colors are returned
function setcolors(colors) {
  var bgcolor = new ColorTransform;
  var fgcolor = new ColorTransform;
  bgcolor.color = parseInt(colors[0].substr(1), 16);
  fgcolor.color = parseInt(colors[1].substr(1), 16);
  // Change the colors of objects in your banner to either fgcolor or bgcolor
  BannerLabel.BannerTextField.transform.colorTransform = fgcolor;
  BackgroundClip.transform.colorTransform = bgcolor;
}

// Call the Javascript function getbannercolors() in order to request colors
if (ExternalInterface.available) {
  ExternalInterface.addCallback('setbannercolors', setcolors);
  ExternalInterface.call('getbannercolors');
}