/*
 * Browser Detection
 */
var elementsToHide;
var hideBanner = function() {
  if( !elementsToHide )
    return;
  var size = window.getSize();
  if( size.y <= 550 ) {
    elementsToHide.setStyle( 'display', 'none' );
  } else {
    elementsToHide.setStyle( 'display', 'block' );
  }
};
window.addEvent('domready', function() {
  elementsToHide = $$(
    'div.banner',
    'div#challenges',
    'div#company',
    'div#solutions'
  );
  hideBanner();
} );
window.addEvent('resize', hideBanner );