function ValidateEmail(f)
{
	if (f.message.value == "") {
		alert("You must enter a message to send.");
		f.message.focus();
		return false;
	}
	
	if (!confirm("Are you sure that you want to send this message, revealing your email address to the recipient?")) return false;

	f.btnSend.disabled = true;
	var strPost = GetFormContents(f);
	XMLTransmission("POST", glbSiteRoot + "_SendMessage.aspx", strPost, OnSendMessage);

	return false;
}

function OnSendMessage(objXML)
{
	if (IsXmlHttpResponseSuccess(objXML)) {
		alert("Your message has been sent.");
		document.EmailForm.message.value = "";
	} else {
		HandleXmlHttpResponse(objXML);
	}
	document.EmailForm.btnSend.disabled = false;
}