function style_clear(clear_position){
  var clear_location = document.getElementById(clear_position);
  clear_location.style.backgroundColor= "#FFFFFF";
  clear_location.style.color = "#000000";
  search = clear_position.replace(/_0\d/i,'');
  var panish = search + "_error";
  var clear_display = document.getElementById(panish);
  if(clear_display.lastChild != null){
    clear_display.lastChild.lastChild.nodeValue = '　';
  }
}

function calendar_window(request_day){
  if(request_day == 'requestday'){
    var calendar_url = '../share/calendar_module.php?calendar=01';
  }else if(request_day == 'requestday_02'){
    var calendar_url = '../share/calendar_module.php?calendar=02';
  }else if(request_day == 'requestday_03'){
    var calendar_url = '../share/calendar_module.php?calendar=03';
  }
  calendar_data = window.open(calendar_url,"another_window","width=175,height=225");
  calendar_data.focus();
  var requestday = document.getElementById(request_day);
  requestday.style.display = 'inline';
}

function calendar_window_beauty(request_day){
  if(request_day == 'requestday'){
    var calendar_url = '../../share/calendar_module.php?calendar=01';
  }else if(request_day == 'requestday_02'){
    var calendar_url = '../../share/calendar_module.php?calendar=02';
  }else if(request_day == 'requestday_03'){
    var calendar_url = '../../../share/calendar_module.php?calendar=03';
  }
  calendar_data = window.open(calendar_url,"another_window","width=175,height=225");
  calendar_data.focus();
  var requestday = document.getElementById(request_day);
  requestday.style.display = 'inline';
}

function clear_date(clear_value){
  var requestday_date2 = document.getElementById("requestday_02");
  var request_time2    = document.getElementById("request_time2");
  var request_hour2    = document.getElementById("request2_hour");
  var request_minute2  = document.getElementById("request2_minute");
  var requestday_date3 = document.getElementById("requestday_03");
  var request_time3    = document.getElementById("request_time3");
  var request_hour3    = document.getElementById("request3_hour");
  var request_minute3  = document.getElementById("request3_minute");
  
  if(clear_value == 2){
    if(requestday_date3.value != ''){
      requestday_date2.value = requestday_date3.value;
      if(request_hour3 != null){
        request_hour2.value = request_hour3.value;
        request_minute2.value = request_minute3.value;
        request_hour3.value = '10';
        request_minute3.value = '00';
      }
      requestday_date3.value = '';
      requestday_date3.style.display = 'none';
      if(request_time3 != null){
        request_time3.style.display = 'none';
      }
      document.getElementById("clear_date03").style.display = 'none';
    }else{
      requestday_date2.value = '';
      requestday_date2.style.display = 'none';
      document.getElementById("clear_date02").style.display = 'none';
      if(request_time2 != null){
        request_time2.style.display = 'none';
      }
      requestday_date3.value = '';
      requestday_date3.style.display = 'none';
      document.getElementById("clear_date03").style.display = 'none';
      document.getElementById("select_requestday_03").style.display = 'none';
      if(request_time3 != null){
        request_time3.style.display = 'none';
      }
    }
  }else if(clear_value == 3){
    requestday_date3.value = '';
    requestday_date3.style.display = 'none';
    document.getElementById("clear_date03").style.display = 'none';
    if(request_time3 != null){
      request_time3.style.display = 'none';
    }
  }
}