--- a/busui/owa/modules/base/js/includes/jquery/ui/i18n/ui.datepicker-sk.js
+++ b/busui/owa/modules/base/js/includes/jquery/ui/i18n/ui.datepicker-sk.js
@@ -1,1 +1,23 @@
+/* Slovak initialisation for the jQuery UI date picker plugin. */
+/* Written by Vojtech Rinik (vojto@hmm.sk). */
+jQuery(function($){
+	$.datepicker.regional['sk'] = {clearText: 'Zmazať', clearStatus: '',
+		closeText: 'Zavrieť', closeStatus: '',
+		prevText: '<Predchádzajúci',  prevStatus: '',
+		nextText: 'Nasledujúci>', nextStatus: '',
+		currentText: 'Dnes', currentStatus: '',
+		monthNames: ['Január','Február','Marec','Apríl','Máj','Jún',
+		'Júl','August','September','Október','November','December'],
+		monthNamesShort: ['Jan','Feb','Mar','Apr','Máj','Jún',
+		'Júl','Aug','Sep','Okt','Nov','Dec'],
+		monthStatus: '', yearStatus: '',
+		weekHeader: 'Ty', weekStatus: '',
+		dayNames: ['Nedel\'a','Pondelok','Utorok','Streda','Štvrtok','Piatok','Sobota'],
+		dayNamesShort: ['Ned','Pon','Uto','Str','Štv','Pia','Sob'],
+		dayNamesMin: ['Ne','Po','Ut','St','Št','Pia','So'],
+		dayStatus: 'DD', dateStatus: 'D, M d',
+		dateFormat: 'dd.mm.yy', firstDay: 0, 
+		initStatus: '', isRTL: false};
+	$.datepicker.setDefaults($.datepicker.regional['sk']);
+});