function hdrswap(fname,fimg)
   {
   if(eval('document.hdrb_'+ fname))
      {
      thishdrback = eval('document.hdrb_'+ fname);
      thishdrback.src = "/images/l4p/" + fimg + "_headerback.pg";
      }
   if(eval('document.hdrl_'+ fname))
      {
      thishdrleft = eval('document.hdrl_'+ fname);
      thishdrleft.src = "/images/l4p/" + fimg + "_headerleft.jpg";
      }
   if(eval('document.hdrc_'+ fname))
      {
      thishdrcenter = eval('document.hdrc_'+ fname);
      thishdrcenter.src = "/images/l4p/" + fimg + "_headercenter.jpg";
      }
   if(eval('document.hdrr_'+ fname))
      {
      thishdrright = eval('document.hdrr_'+ fname);
      thishdrright.src = "/images/l4p/" + fimg + "_headerright.jpg";
      }
   }

// hdrswap('f5','euro');