if (document.images) {
img1off = new Image();img1off.src = 'i/1.gif';
img1on = new Image();img1on.src = 'i/1r.gif';

img2off = new Image();img2off.src = 'i/2.gif';
img2on = new Image();img2on.src = 'i/2r.gif';

img3off = new Image();img3off.src = 'i/3.gif';
img3on = new Image();img3on.src = 'i/3r.gif';

img4off = new Image();img4off.src = 'i/4.gif';
img4on = new Image();img4on.src = 'i/4r.gif';

img5off = new Image();img5off.src = 'i/5.gif';
img5on = new Image();img5on.src = 'i/5r.gif';

img6off = new Image();img6off.src = 'i/6.gif';
img6on = new Image();img6on.src = 'i/6r.gif';

img7off = new Image();img7off.src = 'i/7.gif';
img7on = new Image();img7on.src = 'i/7r.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");
    }
  }
}

if (document.images) {


   img8on = new Image();
   img8on.src="i/icontx1.gif";
   img9on = new Image();
   img9on.src="i/icontx2.gif";
   img10on = new Image();
   img10on.src="i/icontx3.gif";
   img11on = new Image();
   img11on.src="i/icontx4.gif";
   img12on = new Image();
   img12on.src="i/icontx5.gif";
   img13on = new Image();
   img13on.src="i/icontx6.gif";
   img14on = new Image();
   img14on.src="i/icontx1g.gif";
   img15on = new Image();
   img15on.src="i/icontx2g.gif";
   img16on = new Image();
   img16on.src="i/icontx3g.gif";
   img17on = new Image();
   img17on.src="i/icontx4g.gif";
   img18on = new Image();
   img18on.src="i/icontx5g.gif";

   img8off = new Image();
   img8off.src="i/iconso.gif";
   img9off = new Image();
   img9off.src="i/iconso.gif";
   img10off = new Image();
   img10off.src="i/iconso.gif";
   img11off = new Image();
   img11off.src="i/iconso.gif";
   img12off = new Image();
   img12off.src="i/iconso.gif";
   img13off = new Image();
   img13off.src="i/iconso.gif";
   img14off = new Image();
   img14off.src="i/iconsg.gif";
   img15off = new Image();
   img15off.src="i/iconsg.gif";
   img16off = new Image();
   img16off.src="i/iconsg.gif";
   img17off = new Image();
   img17off.src="i/iconsg.gif";
   img18off = new Image();
   img18off.src="i/iconsg.gif";

  }
function imgAct(imgName) {
   if (document.images) {
      document[imgName].src = eval(imgName + "on.src");
           }
}
function imgInact(imgName) {
   if (document.images) {
      document[imgName].src = eval(imgName + "off.src");
            }
}