function button(Name,File,tagle)
 {
  if (tagle)
        {
		  document.images[Name].src = eval(File + "off.src");
		  }
      else
        {document.images[Name].src = eval(File + "on.src");}
}
{
  but1on = new Image();
  but1on.src ="/templates/vdgu/img-main/kn1a.jpg";
  but1off = new Image();
  but1off.src ="/templates/vdgu/img-main/kn1b.jpg";
  but2on = new Image();
  but2on.src ="/templates/vdgu/img-main/kn2a.jpg";
  but2off = new Image();
  but2off.src ="/templates/vdgu/img-main/kn2b.jpg";
  but3on = new Image();
  but3on.src ="/templates/vdgu/img-main/kn3a.jpg";
  but3off = new Image();
  but3off.src ="/templates/vdgu/img-main/kn3b.jpg";
  but4on = new Image();
  but4on.src ="/templates/vdgu/img-main/kn4a.jpg";
  but4off = new Image();
  but4off.src ="/templates/vdgu/img-main/kn4b.jpg";	
  but5on = new Image();
  but5on.src ="/templates/vdgu/img-main/kn5a.jpg";
  but5off = new Image();
  but5off.src ="/templates/vdgu/img-main/kn5b.jpg";
  but6on = new Image();
  but6on.src ="/templates/vdgu/img-main/kn6a.jpg";
  but6off = new Image();
  but6off.src ="/templates/vdgu/img-main/kn6b.jpg";
  but7on = new Image();
  but7on.src ="/templates/vdgu/img-main/kn7a.jpg";
  but7off = new Image();
  but7off.src ="/templates/vdgu/img-main/kn7b.jpg";
  but8on = new Image();
  but8on.src ="/templates/vdgu/img-main/kn8a.jpg";
  but8off = new Image();
  but8off.src ="/templates/vdgu/img-main/kn8b.jpg";
}