function preloadImages() { //SO 5/11/2005
   chapter_orig = new Image();
   chapter_orig.src = "/img/nav/chapter_off.gif";
   chapter2 = new Image();
   chapter2.src = "/img/nav/chapter_on.gif";


   membership_orig = new Image();
   membership_orig.src = "/img/nav/membership_off.gif";
   membership2 = new Image();
   membership2.src = "/img/nav/membership_on.gif";


   publications_orig = new Image();
   publications_orig.src = "/img/nav/publications_off.gif";
   publications2 = new Image();
   publications2.src = "/img/nav/publications_on.gif";


   meetings_orig = new Image();
   meetings_orig.src = "/img/nav/meetings_off.gif";
   meetings2 = new Image();
   meetings2.src = "/img/nav/meetings_on.gif";


   news_orig = new Image();
   news_orig.src = "/img/nav/news_off.gif";
   news2 = new Image();
   news2.src = "/img/nav/news_on.gif";
}
function swapImage(name,image) {
    document.images[name].src = eval(image + ".src");
}
preloadImages();