window.addEvent('load',function() {
  // creates the flash-like movement on the main four nav links
  $$('.navimg').set('morph', {duration: 50, link: 'chain'});
  $$('.navimg').morph({marginTop: '-5px', marginBottom: '5px'});
  $$('.navimg').addEvent('mouseover',function(event) {
    this.get('morph').cancel();
    this.morph({marginTop: '0px', marginBottom: '0px'});
  });
  $$('.navimg').addEvent('mouseout',function(event) {
    this.get('morph').cancel();
    this.morph({marginTop: '2px', marginBottom: '-2px'});
    this.morph({marginTop: '-9px', marginBottom: '9px'})
    this.morph({marginTop: '-5px', marginBottom: '5px'});
  });
});