function bnTablePeriod(tbl_id, userCallback) {
	var _me = this;
	var tblId = tbl_id;
	var stts_name = "";

	this.init = __init;
	this.getSttsName = __getSttsName;	//Åë°èÇ¥ À̸§ ¸®ÅÏ ÇÔ¼ö Ãß°¡.
	this.userCallback = userCallback;
	this.period = {
		year: [],
		month: [],
		day: [],
		half: [],
		quart: [],
		round: [],
		unde: []
	}

	this.init();
	
	function __getSttsName(){
		return _me.stts_name;
	}
	
	function __init() {
		var param = "tbl_id=" + tblId;
		_bnXHR = new bnXHR("/egams/knsoStbl/getPeriod.jsp", param, { done:__cbLoadInfo });
	}

	function __cbLoadInfo(bnXHR1, xmlHttp) {
		var tmp = "";
		//Åë°èÇ¥ À̸§ Ãß°¡ : 2007.12.16 ÀÌÇö¿ì
		//var stts_name = "";
		var ptIdx=-1, dtIdx=-1;
			tmp = bnXHR1.response2Object();
			tmp = tmp.result;
			//Åë°èÇ¥ À̸§ Ãß°¡ 
			_me.stts_name = tmp[1][2];
			
			for (var i=0; i<tmp[0].length; i++) {
				switch(tmp[0][i]) {
				case "freq":
						ptIdx = i;
					break;
				case "desc_dt":
						dtIdx = i;
					break;
				}
			}

			if (ptIdx==-1 || dtIdx==-1) throw { toString:function() {return "À߸øµÈ °á°ú¸¦ ¹Þ¾Ò½À´Ï´Ù."} };

			for (var i=0; i<tmp.length; i++) {
				var pp = new Array();
				
				switch(tmp[i][ptIdx]) {
				case "Y": case "y": pp = _me.period.year; break;
				case "M": case "m": pp = _me.period.month; break;
				case "D": case "d": pp = _me.period.day; break;
				case "H": case "h": pp = _me.period.half; break;
				case "Q": case "q": pp = _me.period.quart; break;
				case "R": case "r": pp = _me.period.round; break;	
				case "U": case "u": pp = _me.period.unde; break;
				
				default:
						log_debug(tmp[i][ptIdx]);
					break;
				}
				pp[pp.length] = tmp[i][dtIdx];
			}
	
//			setTimeout(_me.userCallback(),1);
		_me.userCallback();
	}
}