if (document.images) {
  image1on = new Image();
  image1on.src = "/images/nav_about_on.gif";

  image1off = new Image();
  image1off.src = "/images/nav_about_off.gif";
  
  image2on = new Image();
  image2on.src = "/images/nav_ourpros_on.gif";

  image2off = new Image();
  image2off.src = "/images/nav_ourpros_off.gif";
  
  image3on = new Image();
  image3on.src = "/images/nav_pareas_on.gif";

  image3off = new Image();
  image3off.src = "/images/nav_pareas_off.gif";
  
  image4on = new Image();
  image4on.src = "/images/nav_clientrsrces_on.gif";

  image4off = new Image();
  image4off.src = "/images/nav_clientrsrces_off.gif";
  
  image5on = new Image();
  image5on.src = "/images/nav_careers_on.gif";

  image5off = new Image();
  image5off.src = "/images/nav_careers_off.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 openwin(theURL,winName,features) 
    {
      window.open(theURL,winName,features);
    }