function book_change($a){
switch($a){
case "창":$r="창세기";break;
case "출":$r="출애굽기";break;
case "레":$r="레위기";break;
case "민":$r="민수기";break;
case "신":$r="신명기";break;
case "수":$r="여호수아";break;
case "삿":$r="사사기";break;
case "룻":$r="룻기";break;
case "삼상":$r="사무엘상";break;
case "삼하":$r="사무엘하";break;
case "왕상":$r="열왕기상";break;
case "왕하":$r="열왕기하";break;
case "대상":$r="역대상";break;
case "대하":$r="역대하";break;
case "스":$r="에스라";break;
case "느":$r="느헤미야";break;
case "에":$r="에스더";break;
case "욥":$r="욥기";break;
case "시":$r="시편";break;
case "잠":$r="잠언";break;
case "전":$r="전도서";break;
case "아":$r="아가";break;
case "사":$r="이사야";break;
case "렘":$r="예레미야";break;
case "애":$r="예레미야애가";break;
case "겔":$r="에스겔";break;
case "단":$r="다니엘";break;
case "호":$r="호세아";break;
case "욜":$r="요엘";break;
case "암":$r="아모스";break;
case "옵":$r="오바댜";break;
case "욘":$r="요니";break;
case "미":$r="미가";break;
case "나":$r="나훔";break;
case "합":$r="하박국";break;
case "습":$r="스바냐";break;
case "학":$r="학개";break;
case "슥":$r="스가랴";break;
case "말":$r="말라기";break;
case "마":$r="마태복음";break;
case "막":$r="마가복음";break;
case "눅":$r="누가복음";break;
case "요":$r="요한복음";break;
case "행":$r="사도행전";break;
case "롬":$r="로마서";break;
case "고전":$r="고린도전서";break;
case "고후":$r="고린도후서";break;
case "갈":$r="갈라디아서";break;
case "엡":$r="에베소서";break;
case "빌":$r="빌립보서";break;
case "골":$r="골로새서";break;
case "살전":$r="데살로니가전서";break;
case "살후":$r="데살로니가후서";break;
case "딤전":$r="디모데전서";break;
case "딤후":$r="디모데후서";break;
case "딛":$r="디도서";break;
case "몬":$r="빌레몬서";break;
case "히":$r="히브리서";break;
case "약":$r="야고보서";break;
case "벧전":$r="베드로전서";break;
case "벧후":$r="베드로후서";break;
case "요일":$r="요한일서";break;
case "요이":$r="요한이서";break;
case "요삼":$r="요한삼서";break;
case "유":$r="유다서";break;
case "계":$r="요한계시록";break;
default:break;
}
return $r;
}