if (typeof Calendar!='undefined' ) {
Calendar.LANG("cz", "Czech", {
        fdow: 1,                // first day of week for this locale; 0 = Sunday, 1 = Monday, etc.
        goToday: "Ukaž dnešek",
        today: "Dnes",         // appears in bottom bar
        wk: "týd",
        weekend: "0,6",         // 0 = Sunday, 1 = Monday, etc.
        AM: "am",
        PM: "pm",
        mn : [ "Leden","Únor","Březen","Duben","Květen","Červen","Červenec","Srpen","Září","Říjen","Listopad","Prosinec" ],
        smn : [ "Led", "Úno", "Bře", "Dub", "Kvě", "Črn", "Črc", "Srp", "Zář", "Říj", "Lis", "Pro" ],
        dn : [ "Neděle","Pondělí","Úterý","Středa","Čtvrtek","Pátek","Sobota","Neděle" ],
        sdn : [ "Ne", "Po", "Út", "St", "Čt", "Pá", "So", "Ne" ],
        done: "Hotový" //Appears in bottom bar
});
}