Problem in removing and showing row in jquery -

i having problem in code of hiding , displaying row again isn't working. when comment code of 2nd loop woks fine when add 2nd loop again trouble. here code.

<script>       $("#btnclick").click(function(){          $("form input[type=checkbox]:not(:checked)").each(         function(){                 var checkboxid = $(this).attr('id');                  //alert("checkboxid"+" "+checkboxid);                 $("table td").each(function(){                      if(checkboxid==$(this).attr('id')){                     //alert($(this).attr('id'));                         $(this).hide();                     }                 });         });          $("form input[type=checkbox][checked]").each(         function(){                 var checkboxid = $(this).attr('id');                  //alert("checkboxid"+" "+checkboxid);                 $("table td").each(function(){                      if(checkboxid==$(this).attr('id')){                     //alert($(this).attr('id'));                         $(this).show();                     }                 });         });     });  </script> 

thanks in advance.

replace this

$("form input[type=checkbox][checked]").each(

with

$("form input[type=checkbox]:checked").each(