$(document).ready(function() {  
	
	$('#data_wydania_od').datepicker({
			changeMonth: true,
			changeYear: true,
			dateFormat: 'yy-mm-dd'
			
		});
		
	$('#data_wydania_do').datepicker({
			changeMonth: true,
			changeYear: true,
			dateFormat: 'yy-mm-dd'
			
		});
	
	
});