// thanks to http://engineeredweb.com/blog/09/12/preloading-images-jquery-and-javascript

(function($) {
  var cache = [];
  // Arguments are image paths relative to the current page.
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }
})(jQuery)

jQuery.preLoadImages(
"images/nav-about.gif",
 "images/nav-brand.gif", 
 "images/nav-clients.gif", 
 "images/nav-communications.gif", 
 "images/nav-contact.gif", 
 "images/nav-new.gif",
 "images/nav-vox.gif", 
 "images/nav-strategy.gif",
"images/nav-about-active.gif",
 "images/nav-brand-active.gif", 
 "images/nav-clients-active.gif", 
 "images/nav-communications-active.gif", 
 "images/nav-contact-active.gif", 
 "images/nav-new-active.gif", 
 "images/nav-strategy-active.gif");