title: make parent page Blur when dialog window open
body: <p>when i clicking a Button, i need to show a popup window , pop up window is opening , once opened , i need to do blur the back end page . </p>
  
  <p>My script </p>
  
  <pre><code>function showDialogBox() {
      $("#divSample").dialog({
          autoOpen: false,
          bgiframe: true,
          Height: 500,
          width: 500,
  
          modal: false,
          draggable: true,
          resizable: false,
          position: 'center',
          show: {
              effect: "fade",
              duration: 1000
          },
          hide: {
              effect: "fade",
              duration: 500
          }
  
  
      });
      $("#divSample").dialog("open");
  
  
  }
  </code></pre>
  
  <p>Thank you</p>