function validate(formObj)
{
	warning = "";
	if (formObj.txtUserName.value == "") warning += "\n - User Name";
	if (formObj.txtPassword.value == "") warning += "\n - Password";
	if (warning != "")
	{
		alert("ERROR:  The form cannot be submitted because the following fields are incomplete:\n" + warning);
		return false;
	}
	formObj.submit();
}