if (document.images) {
   image1on = new Image();
   image1on.src = "images/n_design2.gif";
   image1off = new Image();
   image1off.src = "images/n_design1.gif";
   image2on = new Image();
   image2on.src = "images/n_profile2.gif";
   image2off = new Image();
   image2off.src = "images/n_profile1.gif";
   image3on = new Image();
   image3on.src = "images/n_resume2.gif";
   image3off = new Image();
   image3off.src = "images/n_resume1.gif";
   image4on = new Image();
   image4on.src = "images/n_contact2.gif";
   image4off = new Image();
   image4off.src = "images/n_contact1.gif";
   image5on = new Image();
   image5on.src = "images/close2.gif";
   image5off = new Image();
   image5off.src = "images/close1.gif";
   image6on = new Image();
   image6on.src = "images/previous2.gif";
   image6off = new Image();
   image6off.src = "images/previous1.gif";
   image7on = new Image();
   image7on.src = "images/next2.gif";
   image7off = new Image();
   image7off.src = "images/next1.gif";
   image8on = new Image();
   image8on.src = "images/button1_2.gif";
   image8off = new Image();
   image8off.src = "images/button1_1.gif";
   image9on = new Image();
   image9on.src = "images/button2_2.gif";
   image9off = new Image();
   image9off.src = "images/button2_1.gif";
   image10on = new Image();
   image10on.src = "images/button3_2.gif";
   image10off = new Image();
   image10off.src = "images/button3_1.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");
      }
   }
}