function CalculateNonComp() {

    var Principal = parseFloat(document.noncomp.noncomp_principal.value);
    var DailyInterest = parseFloat(document.noncomp.noncomp_interest.value) /  parseInt(document.noncomp.noncomp_int_period.value);
    DailyInterest = DailyInterest / 100;
    var Days = parseInt(document.noncomp.noncomp_length.value) *  parseInt(document.noncomp.noncomp_length_period.value);

    var Result = Principal * (1 + DailyInterest * Days);

    document.getElementById('noncomp_result').innerHTML = Result.toFixed(2);

  }

  function CalculateComp() {

    var Principal = parseFloat(document.comp.comp_principal.value);
    var DailyInterest = Math.pow((1 + parseFloat(document.comp.comp_interest.value) / 100) , (1 / parseInt(document.comp.comp_int_period.value)));
    var Days = parseInt(document.comp.comp_length.value) *  parseInt(document.comp.comp_length_period.value);

    var Result = Principal * Math.pow(DailyInterest, Days);

    document.getElementById('comp_result').innerHTML = Result.toFixed(2);

  }