// preload images for navigation rollovers

   if (document.images) 
   {
      // main menu

      var menudir = '/images/menu/';
      var dirs = new Array
      (
         'home','about','academics','admissions','faculty','news','events','students','alumni','contact'
      );

      for (i=0; i<dirs.length; i++)
      {
         for (state=1; state<3; state++)
         { 
            eval(dirs[i] + state + ' = new Image(163,24);');
            eval(dirs[i] + state + ".src = menudir + '" + dirs[i] + state + ".gif';");
         }
      }
   }

   // simple image replacements

   function rollOn(imgID)
   {
      if (document.images) document.images[imgID].src = eval(imgID + "2.src"); 
   }

   function rollOff(imgID)
   {
      if (document.images) document.images[imgID].src = eval(imgID + "1.src"); 
   }