function IDToUnit(id) {
                    var dicUnit = {"100590":{"id":100590,"szName":"克","szNameEnglish":"gram","szPlural":"grams","szBrief":"g","szNameStandard":""},"104935":{"id":104935,"szName":"千克","szNameEnglish":"kilogram","szPlural":"kilograms","szBrief":"kg","szNameStandard":""},"104936":{"id":104936,"szName":"立方厘米","szNameEnglish":"cubic centimetre","szPlural":"cubic centimetres","szBrief":"cm³","szNameStandard":""},"104937":{"id":104937,"szName":"立方米","szNameEnglish":"cubic metre","szPlural":"cubic metres","szBrief":"m³","szNameStandard":""},"104938":{"id":104938,"szName":"立方分米","szNameEnglish":"cubic decimetre","szPlural":"cubic decimetres","szBrief":"dm³","szNameStandard":""}};

                    var unt= dicUnit[id];
                    if(unt) return unt;
                    else {
                        console.error('IDToUnit(' + id + ') error: not found!');
                        return null;
                    }
                }

                function NameToUnit(szName) {
                    var dicUnit = {"克":{"id":100590,"szName":"克","szNameEnglish":"gram","szPlural":"grams","szBrief":"g","szNameStandard":""},"千克":{"id":104935,"szName":"千克","szNameEnglish":"kilogram","szPlural":"kilograms","szBrief":"kg","szNameStandard":""},"立方厘米":{"id":104936,"szName":"立方厘米","szNameEnglish":"cubic centimetre","szPlural":"cubic centimetres","szBrief":"cm³","szNameStandard":""},"立方米":{"id":104937,"szName":"立方米","szNameEnglish":"cubic metre","szPlural":"cubic metres","szBrief":"m³","szNameStandard":""},"立方分米":{"id":104938,"szName":"立方分米","szNameEnglish":"cubic decimetre","szPlural":"cubic decimetres","szBrief":"dm³","szNameStandard":""}};

                    var unt= dicUnit[szName];
                    if(unt) return unt;
                    else {
                        console.error('IDToUnit(' + id + ') error: not found!');
                        return null;
                    }
                }

                function IDToUnitName(id, szLocale, bPlural) {
                    var unt= IDToUnit(id);
                    if(!unt) return null;

                    if(unt.szBrief) return unt.szBrief;
                    switch((szLocale ? szLocale : '').toLowerCase()) {
                        case 'en-us':
                            return bPlural ? (unt.szPlural ? unt.szPlural : (unt.szNameEnglish ? unt.szNameEnglish : unt.szName))
                                           : unt.szNameEnglish ? unt.szNameEnglish : unt.szName;
                            break;

                        default:
                            return unt.szName ? unt.szName : unt.szNameEnglish;
                            break;
                    }
                }