.<script>
function Popup() {
  var myDialog = document.createElement("dialog");
  document.body.appendChild(myDialog)
  var text = document.createTextNode("Please wait!");
  myDialog.appendChild(text);
  myDialog.showModal();
}

//Popup();
</script>
<meta name="viewport" content="width=device-width, initial-scale=1" />

<A HREF='https://www.harmonyfound.org/'><img src="ft_harmony.png" width="200" height="80"></a>

<BR><BR><BR>

<form onsubmit="Popup();" action="get_POST2.php" method="POST">禱告事項: <BR><BR><textarea name="mytextarea" rows="10%" cols="40%" maxlength ="2000"></textarea><BR><BR><input type="submit"></form>