// IMAGE CACHING

if (document.images) {
   rdir = new Image();
   rdir.src = "images/sbp-dir.gif";
   rdirfade = new Image();
   rdirfade.src = "images/sbp-dirfade.gif";
   rwhat = new Image();
   rwhat.src = "images/sbp-what.gif";
   rwhatfade = new Image();
   rwhatfade.src = "images/sbp-whatfade.gif";
   rget = new Image();
   rget.src = "images/sbp-get.gif";
   rgetfade = new Image();
   rgetfade.src = "images/sbp-getfade.gif";
   rfeed = new Image();
   rfeed.src = "images/sbp-feed.gif";
   rfeedfade = new Image();
   rfeedfade.src = "images/sbp-feedfade.gif";
}

// Image name, then image to change to

function rollover(imgDocID, imgObjName) { //DocID is name in <img> tag
   if (document.images) {
      document.images[imgDocID].src = eval(imgObjName + ".src")
   }
}

// Display correct pictures for netscape

function changeToNS() {
   if (!document.all) {
      if (document.images) {
      rollover("dir", "rdirfade");
      rollover("get", "rgetfade");
      rollover("what", "rwhatfade");
      rollover("feed", "rfeedfade");
      }
   }
}