//<![CDATA[
  function PreLoadImages() {

      pic1 = new Image();
      pic1.src = "/images/buttons/contact-us-blue-1.gif";
      pic2 = new Image();
      pic2.src = "/images/buttons/contact-us-green-1.gif";
      pic3 = new Image();
      pic3.src = "/images/buttons/contact-us-red-1.gif";
      pic4 = new Image();
      pic4.src = "/images/buttons/contact-us-yellow-1.gif";
  }
//]]>