function checkMailForm(name, email, address, default_name, default_email, default_address, alert_name, alert_email, alert_address)
{
	if (name == default_name)
	{
		alert(alert_name);
		return false;
	}
	
	if (email == default_email)
	{
		alert(alert_email);
		return false;
	}
	
	if (address == default_address)
	{
		alert(alert_address);
		return false;
	}
	
	return true;
}

function checkFestoForm(name, email, street, plz, city, firm, phone, fax, alert_name, alert_email, alert_street, alert_plz, alert_city, alert_firm, alert_phone, alert_fax )
{
	if (name == '')
	{
		alert(alert_name);
		return false;
	}
	
	if (firm == '')
	{
		alert(alert_firm);
		return false;
	}
	
	if (email == '')
	{
		alert(alert_email);
		return false;
	}
	
	if (street == '')
	{
		alert(alert_street);
		return false;
	}
	
	if (plz == '')
	{
		alert(alert_plz);
		return false;
	}
	
	if (city == '')
	{
		alert(alert_city);
		return false;
	}
	
	if (phone == '')
	{
		alert(alert_phone);
		return false;
	}
	
	if (fax == '')
	{
		alert(alert_fax);
		return false;
	}
	
	return true;
}