function addEvent(object, eventName, do_function) {

  if (typeof (object) == "string") object = document.getElementById(object);

  if (!object) { alert('No object in function addEvent!'); return; }

  if (object.addEventListener) {

    object.addEventListener(eventName, do_function, false);

  } else {

    object.attachEvent('on' + eventName, do_function);

  }

}
addEvent(

  window,

  'load',

  function () {

    function HideLoadingView() {
      var slv = document.getElementById('ShowLoadingView');
      if (slv) slv.style.display = 'none';
    }
    setPREVIEW = function () {
      SetTab('panel_PREVIEW');
      document.getElementById('previewPDF').innerHTML = '<iframe style="border:none;width:100%;height:1200px;" frameborder="no" src="index.php?module=EcmPrepaymentInvoices&action=previewPDF&to_pdf=1&method=I&record=' + document.forms.DetailView.record.value + '#zoom=75">Yours browser not accept iframes!</iframe>';
    }
  }
);