M.mod_attendance={};M.mod_attendance.init_manage=function(Y){Y.on('click',function(e){if(e.target.get('checked')){Y.all('input.attendancesesscheckbox').each(function(){this.set('checked','checked')})}else{Y.all('input.attendancesesscheckbox').each(function(){this.set('checked','')})}},'#cb_selector')};M.mod_attendance.set_preferences_action=function(action){var item=document.getElementById('preferencesaction');if(item){item.setAttribute('value',action)}else{item=document.getElementById('preferencesform');var input=document.createElement("input");input.setAttribute("type","hidden");input.setAttribute("name","action");input.setAttribute("value",action);item.appendChild(input)}}