var isLoggedIn = false;
 $('form#loginform').submit(function () {
   if (!isLoggedIn) {
     socket.emit('isOnline', $('#nickname').val());
     socket.on('responseOnline', function (msg) {
       if (msg=="free"){
         if (!isLoggedIn){//Without this thing it tries to make an "account" as much times as you've pressed the button send
           isLoggedIn = true;
           socket.emit('nickname', $('#nickname').val());
           $('#nickname').val('');
           $('#loginbox').hide();
           $('#chatbox').show();
         }
       } else {
         $('#taken').show();
       }
     });
   }
   return false;
 });

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