function UCLogin_ValidateLogin()
{
	var bOk = false;
	var sMessage = "";
	var oUserName = document.getElementById("UCHeader1_UCLogin1_txtUsername");
	var oPassword = document.getElementById("UCHeader1_UCLogin1_txtPassword");
	if (oUserName && oPassword)
	{
		if (oUserName.value == "")
		{
			sMessage = "Please enter your username";
		}
		if (oPassword.value == "")
		{
			if (sMessage != "") sMessage += "\n";
			sMessage += "Please enter your password";
		}
		if (sMessage == "")
		{
			bOk = true;
		}
		else
		{
			alert(sMessage);
		}
	}
	return bOk;
}