// saying 위젯에서 사용하는 함수
var sayingStartKey = 1;
var sayingNowPositon = 1;
function toggleSaying(opt){
    if(opt == 'pre'){
        if(sayingNowPositon == 1){
            var nowObj = eval("document.getElementById('saying_" + sayingNowPositon + "')");
            var preObj = eval("document.getElementById('saying_" + sayingEndKey + "')");
            nowObj.style.display = 'none';
            preObj.style.display = 'block';
            sayingNowPositon = sayingEndKey;
        }else{
            var nowObj = eval("document.getElementById('saying_" + sayingNowPositon + "')");
            var preObj = eval("document.getElementById('saying_" + (sayingNowPositon - 1) + "')");
            nowObj.style.display = 'none';
            preObj.style.display = 'block';
            sayingNowPositon--;
        }
    }else{
        if(sayingNowPositon == sayingEndKey){
            var nowObj = eval("document.getElementById('saying_" + sayingEndKey + "')");
            var nextObj = eval("document.getElementById('saying_" + sayingStartKey + "')");
            nowObj.style.display = 'none';
            nextObj.style.display = 'block';
            sayingNowPositon = sayingStartKey;
        }else{
            var nowObj = eval("document.getElementById('saying_" + sayingNowPositon + "')");
            var nextObj = eval("document.getElementById('saying_" + (sayingNowPositon + 1) + "')");
            nowObj.style.display = 'none';
            nextObj.style.display = 'block';
            sayingNowPositon++;
        }
    }
}