function recalculate() {
    var theoryCourse = parseInt($("#TheoryCourse").val() == "" ? "0" : $("#TheoryCourse").val());
    var practicehours = parseInt($("#Practicehours").val() == "" ? "0" : $("#Practicehours").val());
    var Trialhours = parseInt($("#Trialhours").val() == "" ? "0" : $("#Trialhours").val());
    var theoryWeeklyNum = parseInt($("#TheoryWeeklyNum").val() == "" ? "0" : $("#TheoryWeeklyNum").val());
    var practiceWeeklyNum = parseInt($("#PracticeWeeklyNum").val() == "" ? "0" : $("#PracticeWeeklyNum").val());
    var TrialWeeklyNum = parseInt($("#TrialWeeklyNum").val() == "" ? "0" : $("#TrialWeeklyNum").val());
    var totalHours = theoryCourse + practicehours + Trialhours;
    var totalWeeklyNum = theoryWeeklyNum + practiceWeeklyNum + TrialWeeklyNum;
    var weeklyHours = totalHours / totalWeeklyNum;
    var weeklyNum = weeklyHours / 2;
    $("#Totalhours").val(totalHours); 
    if (totalWeeklyNum != 0) {
        $("#SchoolweeksNum").val(totalWeeklyNum);
        $("#WeeklyHours").val(weeklyHours);
        $("#WeeklyNum").val(weeklyNum);
    }
}

$(function () {
    $("#Credit").val(parseFloat($("#Credit").val()).toFixed(1));
    $("#TheoryCourse").keyup(function () {
        recalculate();
    });
    $("#Practicehours").keyup(function () {
        recalculate();
    });
    $("#Trialhours").keyup(function () {
        recalculate();
    });
    $("#TheoryWeeklyNum").keyup(function () {
        recalculate();
    });
    $("#PracticeWeeklyNum").keyup(function () {
        recalculate();
    });
    $("#TrialWeeklyNum").keyup(function () {
        recalculate();
    });
    $("#weekExpander").closest("tr")
            .next().css("display", "")
            .next().css("display", "")
            .next().css("display", "")
            .next().css("display", "");
    $("#weekExpander").attr("expanded", "1");
});
function ExecutableMinorPlan_Save() {
    if ($("input[name='TeachingModeID']:checked").length == 0) {
        $.messager.alert("系统提示", "请选择至少一种授课方式。");
        return;
    }
    if (!isNaN($("#Trialhours").val()) && $("#Trialhours").val() != ""
        && !isNaN($("#Practicehours").val()) && $("#Practicehours").val() != ""
        && parseFloat($("#Trialhours").val()) > parseFloat($("#Practicehours").val())) {
        $.messager.alert("系统提示", "实验学时不能大于实践学时。");
        return;
    }
    if (!isNaN($("#TrialWeeklyNum").val()) && $("#TrialWeeklyNum").val() != ""
        && !isNaN($("#PracticeWeeklyNum").val()) && $("#PracticeWeeklyNum").val() != ""
        && parseFloat($("#TrialWeeklyNum").val()) > parseFloat($("#PracticeWeeklyNum").val())) {
        $.messager.alert("系统提示", "实验周次不能大于实践周次。");
        return;
    }
    $(document.forms[0]).submit();
}