title: diable click outside of dialog box using simple javascript
body: <p>I want to disable click of outside of datas which have background of modal box.I try to use many time but it didn`t success.How can I do that?I tested that code</p>
  
  <pre><code>  $('#myModal').modal({
      backdrop: 'static',
      keyboard: false
  })
  </code></pre>
  
  <p>but it disabled background and modal box.I want to show modal box, I want to disable background data only.</p>
  
  <p><strong>here is my code</strong></p>
  
  <pre><code> function openDialog() {
          $("#aging_dialog").dialog({
              resizable: false,
              modal: true, //モーダル表示
              width: 402,
              height: 530,
              buttons: [ //ボタン
                  {
                      text: "設定",
                      class: 'dialog_Btn',
                      click: function () {
                          pushConfirm();
                      }
                  },
                  {
                      text: "キャンセル",
                      class: 'dialog_Btn',
                      click: function () {
                          $(this).dialog("close");
                      }
                  }
              ]               
          })
          $('#aging_dialog').modal({ backdrop: 'static', keyboard: false, show: false })          
      }
  </code></pre>