var error = false;
function isEmpty(obj)
{
	if(obj.value == '' || (obj.match('select') && (obj.value == '' || obj.value == '0')))
	{
		$('error_'+obj.id).innerHTML = 'Pole wymagane!';
		$(obj).style.backgroundColor = '#FFAFAF';
		error = true;
		return true;
	}
	else
	{
		$('error_'+obj.id).innerHTML = '';
		$(obj).style.backgroundColor = '#FFFFFF';
		return false;
	}
}
//document.addEvent( 'domready', function() {
//		new Calendar({ alk_date_from: 'Y-m-d' }, { classes: ['dashboard'], direction: 0 });
//		new Calendar({ alk_date_to: 'Y-m-d' }, { classes: ['dashboard'], direction: 1 });
//
//});
function resetForm()
{
	$('alk_value_A').value = '';
	$('alk_value_B').value = '';
	$('alk_value_C').value = '';
	$('cat_A').checked = false;
	$('cat_B').checked = false;
	$('cat_C').checked = false;
	if($('alk_address') != null)
		$('alk_address').value = '';
	if($('alk_licence_A') != null)
		$('alk_licence_A').value = '';
	if($('alk_licence_B') != null)
		$('alk_licence_B').value = '';
	if($('alk_licence_C') != null)
		$('alk_licence_C').value = '';	
}