function calcSelfmed80(P,A,C) {
  return ((P*2765) + (A*2396) + (C*477));
}
function calcBasic(P,A,C) {
  return ((P*699) + (A*600) + (C*386));
}
function calcComprehensive(P,A,C) {
  return ((P*1113) + (A*834) + (C*443));
}
function calcChronic(P,A,C) {
  return ((P*1799) + (A*1418) + (C*545));
}
function calcSelfsure(P,A,C) {
return ((P*1086) + (A*1029) + (C*304));
}
function calculate(form) {
  var P = 1;
  var A = form.numberOfAdults.value;
  var C = form.numberOfChildren.value;

  form.basicPremium.value = calcBasic(P,A,C);


  form.compPremium.value = calcComprehensive(P,A,C);


  form.chronicPremium.value = calcChronic(P,A,C);


  form.selfsurePremium.value = calcSelfsure(P,A,C);

  form.selfmed80Premium.value = calcSelfmed80(P,A,C);
  
  form.selfmed80Total.value = form.selfmed80Premium.value;

}