function checkData() { if (document.form.NameEdit.value == '') { alert('The required "Name" field is empty.'); document.form.NameEdit.focus(); return false; }; if (document.form.ImageEdit.value == '') { alert('The required "Operation Result" field is empty.'); document.form.ImageEdit.focus(); return false; }; if (document.form.MessageMemo.value == '') { alert('The required "Text" field is empty.'); document.form.MessageMemo.focus(); return false; }; document.form.AddButton.disabled = true; return true; }; function showPreview() { if (checkData()) { document.form.AddButton.disabled = false; var message = removeExtraCRLF(document.form.MessageMemo.value); message = stringReplace(message,'\r\n','
'); message = stringReplace(message,'\n','
'); top.PreviewWindow = window.open('','PreviewWindow','width=640,height=480,resizable=yes,menubar=no,toolbar=no,location=no,directories=no,scrollbars=yes,status=no'); top.PreviewWindow.document.write('Message Preview
'+getDateTime()+''+document.form.NameEdit.value+'
'+message+'
'); top.PreviewWindow.document.close(); }; };