function PrtPreview()
{
  var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
  document.body.insertAdjacentHTML('beforeEnd', WebBrowser); 
  WebBrowser1.ExecWB(7, 1);
  WebBrowser1.outerHTML = "";
}