function validate_contact_us()
{
	bol_submit = true;
	err_msg = "Please check the following:\n";
	frm_contact_us = window.document.frm_contact_us;
	
	if (frm_contact_us.contact_us_name.value == "")
	{
		bol_submit = false;
		err_msg = err_msg + "Name\n";
	}
	
	if (frm_contact_us.contact_us_email.value == "")
	{
		bol_submit = false;
		err_msg = err_msg + "Email Address\n";
	}
	
	if (frm_contact_us.contact_us_telephone.value == "")
	{
		bol_submit = false;
		err_msg = err_msg + "Telephone\n";
	}
	
	if (frm_contact_us.contact_us_enquiry.value == "")
	{
		bol_submit = false;
		err_msg = err_msg + "Nature of enquiry\n";
	}

	if (bol_submit)
	{
		return true;
	}
	else
	{
		alert(err_msg);
		return false;
	}

}