function SwapOSHTML(divid, htmlmac, htmllinux)
{
   if (navigator.userAgent.indexOf("Macintosh") != -1) {
      document.getElementById(divid).innerHTML = htmlmac;
      return;
   }
   if (navigator.userAgent.indexOf("Linux") != -1) {
      document.getElementById(divid).innerHTML = htmllinux;
   }
}

function SwapOSImage(divid, imagemac, imageunix)
{
   if (navigator.userAgent.indexOf("Macintosh") != -1) {
      document.getElementById(divid).src = imagemac;
      return;
   }
   if (navigator.userAgent.indexOf("Linux") != -1) {
      document.getElementById(divid).src = imageunix;
   }
}