// this function will return total days of a month
    // month values from 1 to 12
    // year values with 4 digit
    function calDays(month, year)
    {
        return new Date(year, month, 0).getDate();
    }

    function dateName(day, month, year)
    {
        var fix_month = month - 1;
        var date = new Date(year, fix_month, day);
        var weekdays = new Array(7);
        weekdays[0] = 'Sunday';
        weekdays[1] = 'Monday';
        weekdays[2] = 'Tuesday';
        weekdays[3] = 'Wednesday';
        weekdays[4] = 'Thursday';
        weekdays[5] = 'Friday';
        weekdays[6] = 'Saturday';

        return weekdays[date.getDay()];
    }

    function IsValidJSONString(str) {
        try {
            JSON.parse(str);
        } catch (e) {
            return false;
        }
        return true;
    }

    function standardHour(i){
        // var tr = document.getElementById(`std-${i}`).children;
        // var input_tag_arr = []; 
        // for (let i = 0; i < tr.length; i++) {
        //     const td = tr[i].children;
        //     for (let j = 0; j < td.length; j++) {
        //         const input = td[j].tagName;
        //         if (td[j].tagName == "INPUT") {
        //             input_tag_arr.push(td[j]);
        //         }
        //     }
                
        // }
        // input_tag_arr[0].value =`09:00`;
        // input_tag_arr[1].value = `18:00`;
        // input_tag_arr[2].value = `60`;

        document.getElementById(`wr-start-time-${i}`).value = "09:00:00";
        document.getElementById(`wr-end-time-${i}`).value = "18:00:00";
        
    }

	// var table = document.getElementById("wr-form-table");
    // var table_rows = table.getElementsByClassName("wr-form-tr");
    // function getFullDate(day){
    //     var today = new Date();
    //     var full_month = new Array();
    //         full_month[0] = "January";
    //         full_month[1] = "February";
    //         full_month[2] = "March";
    //         full_month[3] = "April";
    //         full_month[4] = "May";
    //         full_month[5] = "June";
    //         full_month[6] = "July";
    //         full_month[7] = "August";
    //         full_month[8] = "September";
    //         full_month[9] = "October";
    //         full_month[10] = "November";
    //         full_month[11] = "December";
    //         var month = full_month[today.getMonth()];
    //     var year = today.getFullYear();
    //     var holiday = new Date(year + '/' + month + '/' + day);

    //     return holiday
    // }

    // for (var i = 0; i < table_rows.length; i++) {

    //     var date = i+1;
    
    //     var holidayname = amaitortedays.isNationalHoliday(getFullDate(date));

    //     // document.getElementById("wr-form-td1").innerHTML = holidayname;

    //     // console.log(holidayname);
    
    // }
    // console.log(table);
    // console.log(document.getElementById("wr-form-td1"));

    //     function daysFun(month, year)
    //     {
    //         return new Date(year, month, 0).getDate();
    //     }

    //     // console.log(daysFun(1, 2020));


    //     // var someday = new Date("2020/1/1 0:00:00 +0900");
    //     // var holidayname = amaitortedays.isNationalHoliday(someday);
    //     // if(holidayname){
    //     //     console.log('今日は「' + holidayname + '」です！');
    //     // }

    //     // console.log(amaitortedays.isNationalHoliday(someday, 3))


    

// function formValidation(formId) {
//         var form_data = decodeURI($(formId).serialize());
//         var arr = form_data.split("=");
//         var mail_format = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/; //my@gmail.com , my.g@gmail.com , my.g@gmail.org.com
//         var passw=  /^[A-Za-z]\w{7,14}$/;
        
//         var push = [];
//         let error = 0;
//         let postal_code1 = "";

//         console.table(form_data);

        
//         for (let index = 0; index < arr.length; index++) {
//             let no = arr[index].indexOf("&") + 1;
//             //remove & from string
//             let string = arr[index].substr(no);
//             push.push(string);
            
//         }
        
//         console.log({arr,push});
    
//         for (let i = 0; i < push.length - 1; i++) {

//             //for required field condition
//             if(push[i].match("[*]")){
//                   var mapObj = {
//                            "[]":"",
//                            "*":""
//                         };
  
//                 let class_name = push[i].replace(/\*|\[]/gi, function(matched){
//                     return mapObj[matched];
//                 });

//                 let select_class_value = $("."+class_name).val() || $('textarea.'+class_name).val();

//                 console.log({ select_class_value,class_name });
                
//                 //undefined or null
//                 if( select_class_value == "" || select_class_value === undefined ){
//                     $("."+class_name).first().css("border","var(--default-border)  var(--color-red)");
//                     $("span."+class_name).last().text();
//                     error++;
                   
//                 }else{
//                     $("input."+class_name).first().css("border","1px solid #000");
//                     $("span."+class_name).last().text("");
//                 }
                
//                 //is Email
//                 if(class_name.search("email") >= 0 && !mail_format.test( $("."+class_name).val()) && select_class_value !== "" ){
//                     $("input."+class_name).first().css("border","var(--default-border)  var(--color-red)");
//                     $("span."+class_name).text("* ");
                    
//                     error++;
//                 }
                

//                 if(class_name == "password" && !select_class_value.match(passw) && select_class_value !== "") {
                   
//                     $("input."+class_name).first().css("border","var(--default-border)  var(--color-red)");
//                     $("span."+class_name).text("* ");
                    
//                     error ++;
//                 }

//                 if(class_name == "confirm_password" && $(".password").val() !== select_class_value && select_class_value !== "" ){
//                     $("input."+class_name).first().css("border","var(--default-border)  var(--color-red)");
//                     $("span."+class_name).text("* ");
                  
//                     error ++;
//                 }

//                 if(class_name.search("postal_code1") >= 0 && select_class_value !== "")  {
//                     postal_code1 = select_class_value;
//                 }      

//                 if(class_name.search("postal_code2") >= 0 && postal_code1 !=="" && select_class_value !== "" ){
//                     let REGEX_POSTAL_CODE = /^[0-9]*/;
//                     let hasNumber = (int) => REGEX_POSTAL_CODE.test(int);
                   
//                     if (!hasNumber(postal_code1) || postal_code1.toString().length !== 3 || !hasNumber(select_class_value) || select_class_value.toString().length
//                      !== 4 ) {
                        
//                         $("span."+class_name).text("*Invalid Password");
//                         error ++;
//                     }
//                 }
//             }      
//         }

//         return error;
//     }