Celtra orientation detection for Onswipe

orientation.js

function getDocDimensions() {
  var D = window.parent.parent.document;
  return [
    D.documentElement.clientWidth,
    D.documentElement.clientHeight
  ];
}

function getOrientation() {
  var dimensions = getDocDimensions();
  console.log('dimensions', dimensions);
  if (dimensions[0] > dimensions[1]) {
    return 'Landscape';
  } else {
    return 'Portrait';
  }
}

function setCreativeOrientation(orientation) {
  var adScreen = unit.find(orientation);
  unit.goToScreenAction(ctx, {screen: adScreen}, c);
}

var orientation = getOrientation();
setCreativeOrientation(orientation);