if (document.images) {
  image1on = new Image();
  image1on.src = "/images/w-home.gif";
  image2on = new Image();
  image2on.src = "/images/w-about.gif";
  image3on = new Image();
  image3on.src = "/images/w-research.gif";
  image4on = new Image();
  image4on.src = "/images/w-extension.gif";
  image5on = new Image();
  image5on.src = "/images/w-teaching.gif";
  image6on = new Image();
  image6on.src = "/images/w-graduate.gif";
  image7on = new Image();
  image7on.src = "/images/w-newsletters.gif";
  image8on = new Image();
  image8on.src = "/images/w-references.gif";
  image9on = new Image();
  image9on.src = "/images/w-resources.gif";
  image10on = new Image();
  image10on.src = "/images/w-weedid.gif";
  image11on = new Image();
  image11on.src = "/images/w-events.gif";
  image12on = new Image();
  image12on.src = "/images/w-archives.gif";
  image1off = new Image();
  image1off.src = "/images/y-home.gif";
  image2off = new Image();
  image2off.src = "/images/y-about.gif";
  image3off = new Image();
  image3off.src = "/images/y-research.gif";
  image4off = new Image();  
  image4off.src = "/images/y-extension.gif";
  image5off = new Image();
  image5off.src = "/images/y-teaching.gif";
  image6off = new Image();
  image6off.src = "/images/y-graduate.gif";
  image7off = new Image();
  image7off.src = "/images/y-newsletters.gif";
  image8off = new Image();
  image8off.src = "/images/y-references.gif";
  image9off = new Image();  
  image9off.src = "/images/y-resources.gif";
  image10off = new Image();
  image10off.src = "/images/y-weedid.gif";
  image11off = new Image();
  image11off.src = "/images/y-events.gif";
  image12off = new Image();
  image12off.src = "/images/y-archives.gif";
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}

function gotosite(site) { 
if (site != "") { self.location=site; 
  }
}