function check_form(obj)
{
	if (obj.owner_name.value == '')
	{
		alert('Autori nimi sisestamata');
		obj.owner_name.focus();
		return false;
	}

	if (obj.owner_email.value == '')
	{
		alert('Autori e-posti aadress sisestamata');
		obj.owner_email.focus();
		return false;
	}

	if (obj.name.value == '')
	{
		alert('Video pealkiri sisestamata');
		obj.name.focus();
		return false;
	}

	if (obj.agree)
		if (!obj.agree.checked)
		{
			alert('Filmi esitamiseks peate kinnitama, et noustute konkursi tingimustega.');
			return false;
		}

	return true;
}