<script language="JavaScript">

function markah(form)
{
  var MarkahBM = form.MarkahBM.value;
  var MarkahBI = form.MarkahBI.value;
  var MarkahSejarah = form.MarkahSejarah.value;
  var MarkahM3 = form.MarkahM3.value;
  var Markahsains = form.Markahsains.value;
  var MarkahIslamMoral = form.MarkahIslamMoral.value;
  var Markahseni = form.Markahseni.value;
  var Markahjasmani = form.Markahjasmani.value;
  
  var Jummar = (MarkahBM*1)+(MarkahBI*1)+(MarkahSejarah*1)+(MarkahM3*1)+(Markahsains*1)+(MarkahIslamMoral*1)+(Markahseni*1)+(Markahjasmani*1);
  form.JumlahMarkah.value = Jummar.toFixed(0);
  
  var Jumperatus = (Jummar/800)*100;
  form.Peratusmarkah.value = Jumperatus.toFixed(0);
  }
  
function gred(form)
{
 var MarkahBM = form.MarkahBM.value;
  var BM
   if (MarkahBM >=80)
  {
  BM = "A";
  form.GredBM.value = BM;
  }
  
  }
</script>