$(document).ready(function() { $.datepicker.regional['default'] = { closeText: 'Zavřít', prevText: 'Předchozí měsíc', nextText: 'Následující měsíc', currentText: 'Nyní', monthNames: ["leden","únor","březen","duben","květen","červen","červenec","srpen","září","říjen","listopad","prosinec"], monthNamesShort: ["led","úno","bře","dub","kvě","čvn","čvc","srp","zář","říj","lis","pro"], dayNames: ["neděle","pondělí","úterý","středa","čtvrtek","pátek","sobota"], dayNamesShort: ["ne","po","út","st","čt","pá","so"], dayNamesMin: ["ne","po","út","st","čt","pá","so"], weekHeader: 'Týd', dateFormat: 'dd.mm.yy', firstDay: 1, isRTL: false, showMonthAfterYear: false, yearSuffix: '' }; $.datepicker.setDefaults($.datepicker.regional['default']); });