<!--
  swapImg1 = new Image();
  swapImg1.src='images/menu1_2.jpg';

  swapImg2 = new Image();
  swapImg2.src='images/menu2_2.jpg';
  
  swapImg3 = new Image();
  swapImg3.src='images/menu3_2.jpg';

  swapImg4 = new Image();
  swapImg4.src='images/menu4_2.jpg';
-->