//Function  to 'activate' images.
function imgOn(img1) {
  if (document.images) {
      document[img1].src = eval(img1 + "on.src");
   }
 }

//Function to 'deactivate' images.
function imgOff(img1) {
  if (document.images) {
      document[img1].src = eval(img1 + "off.src");
   }
 }
 
if (document.images) {

img1on = new Image();
img1on.src = "/siteart/banner_sub2.gif";
img2on = new Image();
img2on.src = "/siteart/banner_contact2.gif";
img3on = new Image();
img3on.src = "/siteart/banner_register2.gif";
img4on = new Image();
img4on.src = "/siteart/banner_home2.gif";
img5on = new Image();
img5on.src = "/siteart/banner_cs2.gif";
img6on = new Image();
img6on.src = "/siteart/banner_qa2.gif";
img7on = new Image();
img7on.src = "/siteart/banner_article2.gif";
img8on = new Image();
img8on.src = "/siteart/banner_product2.gif";
img9on = new Image();
img9on.src = "/siteart/banner_shop2.gif";
img10on = new Image();
img10on.src = "/siteart/banner_ts2.gif";

img1off = new Image();
img1off.src = "/siteart/banner_sub1.gif";
img2off = new Image();
img2off.src = "/siteart/banner_contact1.gif";
img3off = new Image();
img3off.src = "/siteart/banner_register1.gif";
img4off = new Image();
img4off.src = "/siteart/banner_home1.gif";
img5off = new Image();
img5off.src = "/siteart/banner_cs1.gif";
img6off = new Image();
img6off.src = "/siteart/banner_qa1.gif";
img7off = new Image();
img7off.src = "/siteart/banner_article1.gif";
img8off = new Image();
img8off.src = "/siteart/banner_product1.gif";
img9off = new Image();
img9off.src = "/siteart/banner_shop1.gif";
img10off = new Image();
img10off.src = "/siteart/banner_ts1.gif";

}