///////////////////////////////////

//         ajax im 3.41          //

//    AJAX Instant Messenger     //

//   Copyright (c) 2006-2008     //

//    http://www.ajaxim.com/     //

//   Do not remove this notice   //

///////////////////////////////////





/**

 * Handles session and most requests to the server

 *

 **/

var System = {

   /**

    * Checks to see if a login is valid and,

    * if so logs the user in, else it shows an error.

    *

    * @author Joshua Gross

    * @update Benjamin Hutchins

    **/

   login: function(u, p) {

      var username = (u ? u : $('username').value);

      var password = (p ? p : $('password').value);



      var xhConn = new XHConn();

//      xhConn.connect(pingTo, "POST", "call=login&username="+username+"&password="+hex_md5(password),

      xhConn.connect(pingTo, "POST", "call=login&username="+username+"&password="+password,

         function(xh) {

            if(xh.responseText == 'invalid' || xh.responseText == 'banned') {

               $('login_error_msg').innerHTML = (xh.responseText == 'invalid' ? Languages.get('incorrectInfo') : Languages.get('userBanned'));

               $('login_error_msg').show();

               new Effect.Shake('modal');

            } else {

               loggedIn = true;

               user = username;

               pass = hex_md5(password);

               defaultTitle = document.title = document.title + ': ' + user;



               $('languageList').hide();



               if(typeof(Buddylist) != 'undefined') {

                  Buddylist.create();



                  if(trim(xh.responseText).length == 0) System.logout();



                  var response = xh.responseText.parseJSON();



                  pingTimer = setInterval('System.ping()', pingFrequency);

                  $('modal').hide();

                  

                  if(response.blocked && response.blocked.length > 0) {

                     var blockList = response.blocked.parseJSON();

                     Buddylist.blocked = blockList;

                  } else {

                     Buddylist.blocked = {};

                  }

                  

                  var buddy;

                  if(response.buddy && response.buddy.length > 0) {

                     var budList = response.buddy.parseJSON();

                     for(var group in budList) {

                        if(!$(group.replace(/\s/, '_')+'_group') && group != 'toJSONString') Buddylist.addGroup(group);

                        if(!Buddylist.list[group]) Buddylist.list[group] = {};

                        for(i=0; i<budList[group].length; i++) {

                           buddy = budList[group][i];

                           Buddylist.list[group][buddy.username] = {'username': buddy.username, 'blocked': (Buddylist.blocked.inArray(buddy.username) ? true : false), 'status': buddy.is_online, 'icon': buddy.icon}



                           if(typeof(Buddylist.listObjects[buddy.username]) == 'undefined') Buddylist.addBuddy(buddy.username, group, buddy.icon);

                           $(Buddylist.listObjects[buddy.username].obj).setStyle({display: 'block'});

                           if(!blockedBuddyStatus && Buddylist.list[group][buddy.username].blocked) {

                              Buddylist.moveBuddy(buddy.username, Languages.get('offline'));

                              $(Buddylist.listObjects[buddy.username].img).src = 'themes/' + theme + '/blocked.png';

                           } else {

                               if(buddy.is_online == 0 || buddy.is_online == 50) {

                                 Buddylist.moveBuddy(buddy.username, Languages.get('offline'));

                                 $(Buddylist.listObjects[buddy.username].img).src = 'themes/' + theme + '/offline.png';

                              } else if(buddy.is_online == 2) {

                                 Buddylist.moveBuddy(buddy.username, group);

                                 $(Buddylist.listObjects[buddy.username].img).src = 'themes/' + theme + '/away.png';            

                              } else {

                                 Buddylist.moveBuddy(buddy.username, group);

                                 $(Buddylist.listObjects[buddy.username].img).src = 'themes/' + theme + '/online.png';

                              }

                              if(Buddylist.list[group][buddy.username].blocked == true) $(Buddylist.listObjects[buddy.username].img).src = 'themes/' + theme + '/blocked.png';

                           }

                        }

                     }

                  }

               }

               

               if(response.admin == 1) {

                  var s = document.createElement('script');

                  s.src = 'js/admin.js?' + (new Date()).getTime();

                  s.type = 'text/javascript';

                  document.getElementsByTagName('head').item(0).appendChild(s);



                  $('blBottomToolbar').innerHTML += '<a id="admin-button" href="#" onclick="AdminWindows.userSearch();return false;" title="Admin"><img src="themes/' + theme + '/window/admin.png" alt="Admin" style="border:0;" /></a>';

                  $('admin-button').setStyle({'position':'absolute', 'left': '0', 'top': '0'});

               }



               Event.observe(document, 'focus', function() { blinkerOn(false); });

               Event.observe(window, 'focus', function() { blinkerOn(false); });



               Event.observe(document, 'blur', function() { blinkerOn(true); });

               Event.observe(window, 'blur', function() { blinkerOn(true); });



               Event.observe(document, 'keypress',

                  function(event) {

                     event = event || window.event;

                     if(Windows.focusedWindow.getId().indexOf('_im') != -1 && IM.sendBoxWithFocus == null) {

                        var sB = $(Windows.focusedWindow.getId() + '_sendBox');

                        sB.focus(); sB.value += String.fromCharCode(event.charCode);

                     }

                  }

               );



               Event.stopObserving(window, 'resize', recenterModal);

               Status.lastIM = new Date().getTime();
			   Chatroom.join('General Chat');

               System.ping();

            }

         }

      );

   },



   /**

    * Check for press of 'return' or 'enter' and run 'func'

    *

    * @author Benjamin Hutchins

    **/

   keyHandler: function(event, func) {

      event = event || window.event;

      var asc = document.all ? event.keyCode : event.which;

      if(asc == 13 && typeof func == 'function') func();

      return asc != 13;

   },



   /**

    * Log out the user

    *

    * @author Joshua Gross

    **/

   logout: function() {

      if(user == '' || pass == '') return;

      var xmlhttp=false; 

      /*@cc_on @*/ 

      /*@if (@_jscript_version >= 5) 

      try { 

         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); 

      } catch (e) { 

         try { 

            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 

         } catch (E) { 

            xmlhttp = false; 

         } 

      } 

      @end @*/

      if (!xmlhttp && typeof XMLHttpRequest!='undefined') { 

         xmlhttp = new XMLHttpRequest(); 

      }

      xmlhttp.open('POST', pingTo, false);

      xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

      xmlhttp.send('call=logout');

      

      clearTimeout(pingTimer);

   

      defaultTitle = document.title = document.title.replace(': ' + user, '');

      user = '';

      pass = '';

      loggedIn = false;

      

      if(typeof(Status) != 'undefined') {

         Status.state = 0;

         Status.awayMessage = '';

      }

      Element.stopObserving(window, 'resize', recenterModal);



      if(typeof(Buddylist) != 'undefined') Buddylist.destroy();



      for(var name in IM.windows) {

         if(typeof(IM.windows[name].getId) != 'undefined' && typeof($(IM.windows[name].getId())) != 'undefined') {

            try {

               if(IM.windows[name].detached)

                  IM.windows[name].popup.close();

               else

                  IM.windows[name].destroy();

            } catch(e) { }

         }

      }



      for(var name in Chatroom.windows) {

         if(typeof(Chatroom.windows[name].getId) != 'undefined' && typeof($(Chatroom.windows[name].getId())) != 'undefined') {

            try {

               Chatroom.windows[name].destroy();

            } catch(e) { }

         }

      }



      if($('admin-userSearch'))

         Windows.getWindow('admin-userSearch').destroy();



      Dialog.alert('<span class="dialog_long_label">' + Languages.get('signedOff') + '</span>',

                   { windowParameters: {className:'alert', width:alertWidth, height: 85}, 

                     okLabel: Languages.get('reconnect'),

                     ok:function(win) {

                        try {

                           window.location.reload();

                        } catch(e) { }

                     }

                   }

      );

   },



   /**

    * Processes register requests

    *

    * @author Jostua Gross

    **/

   register: function() {

      // if registration is disabled, don't do anything

      if (!allowNewUsers) {

         return;

      }



      var error = '';

      

      var registerButton = $('register_button');

      Event.stopObserving(registerButton, 'click', System.register);

      

      if(($('newpassword').value == $('newpassword2').value)) {

         if(checkEmailAddr($('newemail').value)) {

            if($('newpassword').value.length >= 6 && $('newpassword').value.length <= 20) {

               if($('newusername').value.isAlphaNumeric() && $('newusername').value.length >= 3 && $('newusername').value.length <= 16) {

                  var xhConn = new XHConn();

                  

                  var username = $('newusername').value.toLowerCase();

                  var password = $('newpassword').value;

                  var email    = $('newemail').value;

                  xhConn.connect(pingTo, "POST", "call=register&username="+username+"&password="+password+"&email="+email,

                     function(xh) {

                        switch(xh.responseText) {

                           case 'user_registered':

                              Dialog.alert('<span class="dialog_long_label">' + Languages.get('registerSuccess') + '</span><div style="clear:both"></div>',

                                           {windowParameters: {className:'alert', width:alertWidth},

                                            ok:function(win) { clearInputs(); Dialog.closeInfo(); Dialogs.login(); }});

                              Event.observe(registerButton, 'click', System.register);

                              return;

                           case 'username_taken':

                              error = Languages.get('registerUsernameTaken');

                              break;

                           case 'username_bad':

                              error = Languages.get('registerUsernameBad');

                              break;

                           case 'password_bad_length':

                              error = Languages.get('registerPasswordShort');

                              break;

                           case 'invalid_email':

                              error = Languages.get('registerInvalidEmail');

                              break;

                           case 'email_already_used':

                              error = Languages.get('registerEmailTaken');

                              break;

                           default:

                              error = Languages.get('registerFailed');

                        }

                        

                        $('register_error_msg').innerHTML = error;

                        $('register_error_msg').setStyle({display: 'block'});

                        

                        new Effect.Shake('modal');

                        Event.observe(registerButton, 'click', System.register);

                     });

                     return;

               } else {

                  error = Languages.get('registerUsernameBad');

               }

            } else {

               error = Languages.get('registerPasswordShort');

            }

         } else {

            error = Languages.get('registerInvalidEmail');

         }

      } else {

         error = Languages.get('registerPasswordsMatch');

      }

      

      $('register_error_msg').innerHTML = error;

      $('register_error_msg').setStyle({display: 'block'});

      

      new Effect.Shake('modal');

      

      Event.observe(registerButton, 'click', System.register);

   },



   /**

    * Check how long a user has been idle,

    * if they've been idle more than idleTime allows,

    * set them as away.

    *

    * @author Benjamin Hutchins

    **/

   idle: function() {

      var timeStamp = new Date().getTime() - (idleTime * 60 * 1000);

      if (Status.lastIM < timeStamp && typeof(Status) != 'undefined' && Status.state == 0) {

         Status.set(1, Languages.get('away'));

         Status.wasSetAutoAway = true;

      }

   },



   /**

    * The heart of this script, 

    * ping the server for new events and messages

    *

    * @author Joshua Gross

    **/

   ping: function(initial) {

      // if auto-away is enabled, check the idle timer

      if (idleTime > 0)

         System.idle();



      var xhConn = new XHConn();

      xhConn.connect(pingTo, "POST", "call=ping&away="+(typeof(Status) != 'undefined' ? Status.state : 0)+(initial == true ? '&initial=true' : ''),

         function(xh) {

            var i;



            if((typeof xh.status != 'undefined' && xh.status!=200) || xh.responseText == 'not_logged_in') {

               System.logout();

               return;

            }

                   

            if(trim(xh.responseText).length == 0) return;



            var response = xh.responseText.parseJSON();



            var from, data, chatroom;

            var messageCount = (typeof(response.messages) !== 'undefined' ? response.messages.length : 0);

            for(i=0; i<messageCount; i++) {

               chatroom = response.messages[i].chatroom;

               if(!chatroom) {

                  from = response.messages[i].sender;

                  who = from;

               } else {

                  var fromx = response.messages[i].sender.split('\.');

                  from = fromx[1];

                  who  = fromx[0];

               }

               data = response.messages[i].message;

               

               var winId = null;

               try { winId = window[chatroom ? 'Chatroom' : 'IM'].windows[who].getId(); } catch(e) { };

            

               if(!$(winId)) {

                  window[chatroom ? 'Chatroom' : 'IM'].create(who, who);

               } else {

                  if(!window[chatroom ? 'Chatroom' : 'IM'].windows[who].detached && !window[chatroom ? 'Chatroom' : 'IM'].windows[who].isVisible()) {

                     window[chatroom ? 'Chatroom' : 'IM'].windows[who].show();

                     setTimeout("scrollToBottom('" + window[chatroom ? 'Chatroom' : 'IM'].windows[who].getId() + "_rcvd')", 125);

                  }

               }

               

               var curIM = (!window[chatroom ? 'Chatroom' : 'IM'].windows[who].detached ? $(window[chatroom ? 'Chatroom' : 'IM'].windows[who].getId()+"_rcvd") : window[chatroom ? 'Chatroom' : 'IM'].windows[who].popup.$(window[chatroom ? 'Chatroom' : 'IM'].windows[who].getId()+"_rcvd"));

               

               data = data.replace(/(\s|\n|>|^)(\w+:\/\/[^<\s\n]+)/, '$1<a href="$2" target="_blank">$2</a>');

               data = IM.emoteReplace(data, smilies);

               

               if(data.replace(/<([^>]+)>/ig, '').indexOf('/me') == 0)

                  curIM.innerHTML += "<b class=\"user" + (from == user && chatroom ? 'A' : 'B') + "\">" + IM.createTimestamp() + " <i>" + from + ' ' + data.replace(/<([^>]+)>/ig, '').replace(/\/me/, '') + "</i></b><br>\n";

               else

                  curIM.innerHTML += "<b class=\"user" + (from == user && chatroom ? 'A' : 'B') + "\">" + IM.createTimestamp() + " " + from + ":</b> " + data + "<br>\n";

               curIM.scrollTop = curIM.scrollHeight - curIM.clientHeight + 6;

               

               if(!initial) {

                  if(curIM.innerHTML.toLowerCase().replace(/<\S[^>]*>/g, '').indexOf(user.toLowerCase()+': (' + Languages.get('autoreply').toLowerCase() + ')') == -1 && typeof(Status) != 'undefined' && Status.state == 1 && who == from) {

                     var fontName    = $(winId + '_setFont').innerHTML;

                     var fontSize    = $(winId + '_setFontSize').innerHTML;

                     var fontColor   = $(winId + '_setFontColorColor').style.backgroundColor;

                     window[chatroom ? 'Chatroom' : 'IM'].sendMessage(from, '(' + Languages.get('autoreply') + ') ' + Status.awayMessage, false, false, false, fontName, fontSize, fontColor);

                  }

                  

                  if(Windows.getFocusedWindow().getId() != window[chatroom ? 'Chatroom' : 'IM'].windows[who].getId() && pulsateTitles == true) {

                     new Effect.Pulsate(window[chatroom ? 'Chatroom' : 'IM'].windows[who].getId() + '_top');

                  }

            

                  if(titlebarBlinker == true && useBlinker == true) {

                     clearTimeout(blinkerTimer);

                     blinkerTimer = setTimeout("titlebarBlink('"+who+"', \""+data.replace(/\"/, '\"').replace(/<([^>]+)>/ig, '')+"\", 0, "+chatroom+")", blinkSpeed);

                  }

               }

               

               curIM = null;

            }

            

            if(messageCount > 0 && audioNotify == true) soundManager.play('msg_in');

                   

            from = null; data = null;

            var group = '', buddy = '', event = '';

            var eventCount = (typeof(response.events) !== 'undefined' ? response.events.length : 0);

            

            for(i=0; i<eventCount; i++) {

               from = response.events[i].sender;

               data = response.events[i].event;

               who  = (response.events[i].recipient == user ? from : response.events[i].recipient);

               event = data.split(',');



               switch(event[0]) {

                  case 'status':

                     if(typeof(Buddylist) != 'undefined') {

                        group = response.events[i].group;

                        if(group && !$(group.replace(/\s/, '_')+'_group') && group != 'toJSONString') Buddylist.addGroup(group);



                        if(typeof(Buddylist.listObjects[from]) == 'undefined') {

                           Buddylist.addBuddy(from, group, 'none');

                           Buddylist.list[group][from] = {'username': from, 'blocked': false, 'status': event[1]};

                           $(Buddylist.listObjects[from].obj).setStyle({display: 'block'});

                        } else if (group == null) {

                           group = Buddylist.listObjects[from].group;

                        }



                        Buddylist.list[group][from].status = event[1];



                        if(!blockedBuddyStatus && typeof(Buddylist.list[group][from]) !== 'undefined' && Buddylist.list[group][from].blocked) {

                           Buddylist.moveBuddy(from, Languages.get('offline'));

                           $(Buddylist.listObjects[from].img).src = 'themes/' + theme + '/blocked.png';

                        } else {

                           if(event[1] == 0 || event[1] == 50) {

                              Buddylist.moveBuddy(from, Languages.get('offline'));

                              IM.notifyUser(from, Languages.get('signedoff').replace('%1', from));

                              $(Buddylist.listObjects[from].img).src = (typeof(Buddylist.list[group][from]) !== 'undefined' && Buddylist.list[group][from].blocked ? 'themes/' + theme + '/blocked.png' : 'themes/' + theme + '/offline.png');

                           } else if(event[1] == 2) {

                              Buddylist.moveBuddy(from, group);

                              IM.notifyUser(from, Languages.get('wentaway').replace('%1', from));

                              $(Buddylist.listObjects[from].img).src = (typeof(Buddylist.list[group][from]) !== 'undefined' && Buddylist.list[group][from].blocked ? 'themes/' + theme + '/blocked.png' : 'themes/' + theme + '/away.png');

                           } else {

                              Buddylist.moveBuddy(from, group);

                              IM.notifyUser(from, Languages.get('cameback').replace('%1', from));

                              $(Buddylist.listObjects[from].img).src = (typeof(Buddylist.list[group][from]) !== 'undefined' && Buddylist.list[group][from].blocked ? 'themes/' + theme + '/blocked.png' : 'themes/' + theme + '/online.png');

                           }

                        }

                     }

                     break;

                  case 'chat':

                     var rcvdBox = $(Chatroom.windows[event[2]].getId()+"_rcvd");

                     if(event[1] == 'join') {

                        if(!$(from+'_'+event[2]+'_chatUser') && typeof(Chatroom.windows[event[2]]) != 'undefined') Chatroom.windows[event[2]].addUser(from);

                        rcvdBox.innerHTML = rcvdBox.innerHTML + "<b class=\"userB\">" + IM.createTimestamp() + " <i>"+from+" " + Languages.get('hasJoined') + "</i></b><br>";

                        scrollToBottom(Chatroom.windows[event[2]].getId()+"_rcvd");

                     } else if(event[1] == 'left') {

                        if(typeof(Chatroom.windows[event[2]]) != 'undefined') Chatroom.windows[event[2]].deleteUser(from);

                        rcvdBox.innerHTML = rcvdBox.innerHTML + "<b class=\"userB\">" + IM.createTimestamp() + " <i>"+from+" " + Languages.get('hasLeft') + "</i></b><br>";

                        scrollToBottom(Chatroom.windows[event[2]].getId()+"_rcvd");

                     }

                     break;

               }



               event = null;

            }

            

            from = null; data = null; who = null;            

         }

      );

      

      xhConn = null;

   },



   /**

    * Update a user's budddy profile 

    *

    * @author Benjamin Hutchins

    **/

   changeProfile: function() {

      var profile = $('changeprofile_textarea').value, error = '';

      if(profile.replace(/\s/g, "") != "") {

         var xhConn = new XHConn();

         xhConn.connect(pingTo, "POST", "call=changeprofile&profile="+encodeURIComponent(profile),

            function(xh) {

               if(xh.responseText == 'success') {

                  Dialog.closeInfo();

                  Dialog.alert('<span class="dialog_long_label lang-changeProfileSuccess">' + Languages.get('changeProfileSuccess') + '</span><div style="clear:both"></div>',

                               {windowParameters: {className:'alert', width:alertWidth, height:85},

                                ok: function(win) { Dialog.closeInfo(); Windows.close('changeProfile'); } });

               } else {

                  error = Languages.get('changeProfileFailed');

               }



               if(error.length > 0) {

                  $('changeprofile_error_msg').innerHTML = error;

               }

            }

         );

      } else {

         error = Languages.get('changeProfileEmpty');

      }

      if(error.length > 0) {

         $('changeprofile_error_msg').innerHTML = error;

      }

   },



   /**

    * Update a users's buddy icon

    *

    * @author Benjamin Hutchins

    **/

   changeIcon: function() {

      // get the iframe as a variable

      var i = $('changeicon_iframe');

      if (i.contentDocument) {

         var d = i.contentDocument;

      } else if (i.contentWindow) {

         var d = i.contentWindow.document;

      } else {

         var d = window.frames['changeicon_iframe'].document;

      }



      // if the iframe was never processed, then return empty

      if (d.location.href == "about:blank") {

         return;

      }



      // handle returns from the server

      var error = '', response = d.body.innerHTML;

      if(response == 'success'){

         Dialog.closeInfo();

         Dialog.alert('<span class="dialog_long_label lang-changeBuddyiconSuccess">'+Languages.get('changeBuddyiconSuccess')+'</span><div style="clear:both"></div>',{windowParameters:{className:'alert',width:alertWidth,height:85},ok:function(win){Dialog.closeInfo();Windows.close('changeIcon');}});

      } else if (response == 'nofile') {

         error = Languages.get('changeIconSelectFile');

      } else if (response == 'size') {

         error = Languages.get('changeIconSize');

      } else if (response == 'bad_type') {

         error = Languages.get('changeIconBadType');

      } else if (response == 'bad_extension') {

         error = Languages.get('changeIconBadExtension');

      } else {

         error = Languages.get('changeIconFailed');

      }



      // if there was an error, show it

      if(error.length > 0) {

         $('changeicon_error_msg').innerHTML = error;

      }

   },



   /**

    * Change a user's password

    *

    * @author Joshua Gross

    * @update Benjamin Hutchins

    **/

   changePass: function() {

      var currentPw = $('currentpw').value, newPw = $('newpw').value, error = '';



      if(hex_md5(currentPw) == pass) {

         if(newPw == $('confirmpw').value) {

            var xhConn = new XHConn();

            xhConn.connect(pingTo, "POST", "call=pwdchange&username="+user+"&password="+hex_md5(currentPw)+"&newpwd="+newPw,

               function(xh) {

                  if(xh.responseText == 'pw_changed') {

                     Dialog.closeInfo();

                     Dialog.alert('<span class="dialog_long_label lang-changeSuccess">' + Languages.get('changeSuccess') + '</span><div style="clear:both"></div>', {windowParameters: {className:'alert', width:alertWidth, height:85}, ok: function(win) { Dialog.closeInfo(); Windows.close('changePass'); setTimeout('System.logout();', 250); } });

                  } else if(xh.responseText == 'invalid_pw') {

                     error = Languages.get('currentPassInvalid');

                     $('currentpw').value = '';

                  } else if(xh.responseText == 'password_bad_length') {

                     error = Languages.get('changePasswordShort');

                     $('newpw').value = '';

                     $('confirmpw').value = '';

                  } else {

                     error = Languages.get('changeFailed');

                  }

                  if(error.length > 0) {

                     $('changepass_error_msg').innerHTML = error;

                  }

               }

            );

         } else {

            error = Languages.get('changeNoMatch');

         }

      } else {

         error = Languages.get('currentPassInvalid');

      }

      if(error.length > 0) {

         $('changepass_error_msg').innerHTML = error;

      }

   },



   /**

    * Reset a user's password to something new because they forgot it

    *

    * @author Joshua Gross

    * @update Benjamin Hutchins

    **/

   resetPass: function() {

      var xhConn = new XHConn();

      xhConn.connect(pingTo, "POST", "call=reset&email="+encodeURIComponent($('resetto').value),

         function(xh) {

            var error = '';

            if(xh.responseText == 'pw_reset') {

               Dialog.alert('<span class="dialog_long_label lang-newPasswordEmailed langinsert-clear">' + Languages.get('newPasswordEmailed').replace('%1', $('resetto').value) + '</span><div style="clear:both"></div>', {windowParameters: {className:'alert', width:alertWidth}, ok:function(win) { clearInputs(); Dialog.closeInfo(); Dialogs.login(); }});

            } else if(xh.responseText == 'no_email_on_record') {

               error = Languages.get('noEmailOnRecord');

            } else {

               error = Languages.get('problemResetting');

            }

            

            if (error.length > 0) {

               $('forgotpass_error_msg').innerHTML = error;

               $('forgotpass_error_msg').setStyle({display: 'block'});

               new Effect.Shake('modal');

            }

         }

      );

   }

};