jquery - passing an object through a variable function -

here relatively straightforward code build 2 years ago:

var armed=false; function autosave(){     if(armed){         $('#console').html('submitting..');         $('#autosave').val(1);         $.ajax({             url: '/gf5/console/resources/bais_01_exe.php',             data: $('#form1').serialize(),             method: 'post',         }).done(function(data){             //$('#cs').html('saved');             $('#console').html('saved');             armed=false;         });         $('#autosave').val('');     }else{         $('#console').html('idle');      }     settimeout('autosave()',7000); } function arm(){     armed=true;     //$('#cs').html('active'); } $(document).ready(function(){     $('input[type=text],textarea').keyup(arm);     $('input[type=checkbox]').click(arm);     $('input[type=hidden]').change(arm);     $('select').change(arm);     settimeout('autosave()',7000); }); 

i want use specific field submitted, not entire form.#form1 instead of:

$('textarea').keyup(arm); 

how pass:

$('textarea').keyup(arm, this); 

where = object event came from?