anchor.diff:                      <div class="col-md-8 col-md-pull-4">
   
                           <div class="form-group is-required">
  -                            <label class="control-label col-md-4" for="workingTimeSettings.overtimeActive">
  +                            <label class="control-label col-md-4" for="workingTimeSettings.overtimeActive.true">
                                   <spring:message code='settings.overtime.overtimeActive'/>:
                               </label>
                               <div class="col-md-8 radio">
                                   <label class="halves">
  -                                    <form:radiobutton id="workingTimeSettings.overtimeActive" path="workingTimeSettings.overtimeActive" value="true"/>
  +                                    <form:radiobutton id="workingTimeSettings.overtimeActive.true" path="workingTimeSettings.overtimeActive" value="true"/>
                                       <spring:message code="settings.overtime.overtimeActive.true"/>
                                   </label>
                                   <label class="halves">
  -                                    <form:radiobutton id="workingTimeSettings.overtimeActive" path="workingTimeSettings.overtimeActive" value="false"/>
  +                                    <form:radiobutton id="workingTimeSettings.overtimeActive.false" path="workingTimeSettings.overtimeActive" value="false"/>
                                       <spring:message code="settings.overtime.overtimeActive.false"/>
                                   </label>
                               </div>
  
positive.code:                             </label>
  
                              <div class="col-md-8">
                                  <form:select path="workingTimeSettings.workingDurationForChristmasEve" id="dayLengthTypes" class="form-control" cssErrorClass="form-control error">
                                      <c:forEach items="${dayLengthTypes}" var="dayLengthType">
                                          <form:option value="${dayLengthType}"><spring:message code="${dayLengthType}" /></form:option>
                                      </c:forEach>
  
negative.code:                             </label>
  
                              <div class="col-md-8">
                                  <form:select path="workingTimeSettings.workingDurationForNewYearsEve" id="dayLengthTypesNewYearsEve" class="form-control" cssErrorClass="form-control error">
                                      <c:forEach items="${dayLengthTypes}" var="dayLengthType">
                                          <form:option value="${dayLengthType}"><spring:message code="${dayLengthType}" /></form:option>
                                      </c:forEach>
  