//alert(ajaxurl);
function update_ikkatuseikyu(title){
  var params =[];
  params.push('action=update_session');
  <br />
<b>Notice</b>:  Undefined index: title in <b>/home/users/0/sekiboz2/web/myobi.info/wp-content/plugins/wp-96works-ikkatuseikyu/js/update.php</b> on line <b>5</b><br />
  params.push('title='+title);
    new Ajax.Updater(
  "container",
  ajaxurl,
  {
      method: 'get',
      parameters: params.join('&'),
      onSuccess: function(request) { 
        //alert(request.responseText);
        resstr=request.responseText;
        if (resstr.match(/^maxlength/)) {
          alert("一括請求にこれ以上追加できません");
        }else{
          alert("一括請求に追加しました");
          window.location.reload();
        }
      },
      onFailure: show_error
  });
  function show_error(){
    alert('一括請求への追加処理に失敗しました\n後ほどお試しください');
    window.location.reload();
  }
}