function ExtraForm()
{
  document.UserData.FERP_C.value = navigator.appName + ", " + navigator.userAgent;
  document.UserData.FERP_A.value = screen.width;
  document.UserData.FERP_B.value = screen.height;
  document.UserData.Bilder.value = Bild1 + ", " + Bild2;
}

function ExtraText()
{
  document.Textsearch.Lxtri.value = navigator.appName + ", " + navigator.userAgent;
  document.Textsearch.Lxone.value = screen.width;
  document.Textsearch.Lxtwo.value = screen.height;
}

function ExtraFwd()
{
  document.Fwdpage.Lxtri.value = navigator.appName + ", " + navigator.userAgent;
  document.Fwdpage.Lxone.value = screen.width;
  document.Fwdpage.Lxtwo.value = screen.height;
}