if (document.images)
   {
 
     texto = 0;
     winoff = new Image(350,60);
     winoff.src = "i2/Download.png";
     
     winon = new Image(350,60);
     winon.src = "i2/Download2.png";

   }

function lightupwin() {
   if (document.images) {
      imgOn=eval("winon.src");
      document["win"].src = imgOn;
   }
}

function turnoffwin() {
   if (document.images) {
      imgOff=eval("winoff.src");
      document["win"].src = imgOff;
    }
}