jquery div move left or right

Div move left or right

 if(e=="moveleft")
            {
                  var $current = $('#tsi'+shhetid).closest('li');
                  var $previous = $current.prev('li');
                  if($previous.length !== 0)
                  {
                    $current.insertBefore($previous);
                  }
                  return false;
            }
            else if(e=="moveright")
            {
                  var $current =$('#tsi'+shhetid).closest('li');
                  var $next = $current.next('li');
                  if($next.length !== 0){
                    $current.insertAfter($next);
                  }
                  return false;
            }