var addthis_config = {
	data_track_linkback: false,
	data_track_clickback: true,
	services_compact: 'facebook,linkedin,hyves,twitter,mailto,more',
	username: 'arndbronkhorstfoto'
};

function check_form ()
{
	if (!check_compulsary_field ('form_email_address')) 
		return false;
	if (!check_compulsary_field ('message')) 
		return false;
	if (!check_email ('form_email_address')) 
		return false;

	return true;
}