function load_tire_producers(){
	if($('#tire_cezon').val() == ""){
		$('#tire_producer').hide();
	}
	else
	{
		$('#tire_producer').show();
		if($('#tire_cezon').val() == "1")
		{
			$('#tire_producer').html($('#summer_producers').html());
		}
		else
		{
			$('#tire_producer').html($('#winter_producers').html());			
		};
	};
}

$(document).ready(function(){
	load_tire_producers();
	$('#tire_cezon').change(function(){
		load_tire_producers();
	});
});