function setGradeJ($total){ //grading function for Junior set
        if ($total<=39) {
          $grade = "F"; // Fail
          return $grade;
        }elseif ($total<=59) {
          $grade = "D"; // Pass
          return $grade;
        }elseif ($total<=69) {
          $grade = "C"; // Good
          return $grade;
        }
        elseif ($total<=79) {
          $grade = "B"; // V.Good
          return $grade;
        }elseif ($total<=100) {
          $grade = "A"; // Exellent
          return $grade;
        }else{
          $grade = "error";
          return $grade;
        }
    
  }

  function setGradeS($total){ //grading function for senior set
       if ($total<=39) {
          $grade = "F"; //FAIL
          return $grade;
        }elseif ($total<=44) {
          $grade = "D"; //Pass
          return $grade;
        }elseif ($total<=49) {
          $grade = "C"; //Credit
          return $grade;
        }elseif ($total<=59) {
          $grade = "B"; // Good
          return $grade;
        }elseif ($total<=69) {
          $grade = "B"; // V.Good
          return $grade;
        }elseif ($total<=100) {
          $grade = "A"; // Exellent
          return $grade;
        }else{
          $grade = "error";
          return $grade;
        }
    
  }

 
      function setRemarkJ($total){ //grading function for Junior set
        if ($total<=39) {
          $remark = "Fail";
          return $remark;
        }elseif ($total<=59) {
          $remark = "Pass";
          return $remark;
        }elseif ($total<=69) {
          $remark = "Good";
          return $remark;
        }elseif ($total<=79) {
          $remark = "V.Good";
          return $remark;
        }elseif ($total<=100) {
          $remark = "Excellent";
          return $remark;
        }else{
          $remark = "error";
          return $remark;
        }
    
  }

  function setRemarkS($total){ //grading function for senior set
        if ($total<=39) {
          $remark = "Fail";
          return $remark;
        }elseif ($total<=44) {
          $remark = "Pass";
          return $remark;
        }elseif ($total<=49) {
          $remark = "Credit";
          return $remark;
        }elseif ($total<=59) {
          $remark = "Good";
          return $remark;
        }elseif ($total<=69) {
          $remark = "V.Good";
          return $remark;
        }elseif ($total<=100) {
          $remark = "Excellent";
          return $remark;
        }else{
          $remark = "error";
          return $remark;
        }
    
  }