var TOG_WORD				= '%0D';
function checkShrtMsgLen(obj,toobj,MSG_LEN,CONTNET_BYTE_MSG) {
	var bResult		= checkMsgLen(obj,MSG_LEN);
	var iCountByte	= 0;
	var sContentMsg	= '';
	if (!bResult){
		alert(CONTNET_BYTE_MSG);
		sContentMsg = cutText(obj,MSG_LEN);
		obj.value = sContentMsg;
	}
	iCountByte = getByteLen(obj);
	toobj.value  = iCountByte[0];
}

function checkMsgLen(obj,sByteLen) {

	var iCounts = new Array();
	iCounts = getByteLen(obj);											//º¯¼öÀÇ ±æÀ̸¦ ±¸ÇÏ´Â ÇÔ¼ö

	if (iCounts[0] > sByteLen)
		return false;
	else
		return true;
}

//ÇѱÛÀÏ °æ¿ì¿¡´Â 2byte¸¦ ±×¿ÜÀÇ ¹®ÀÚ´Â 1byte·Î °è»êÇÏ¿©  iCounts¿¡ ÀúÀåÇÏ¿© return ÇØÁØ´Ù. 
//º¹À½ÀÚ¸®..±ÛÀÚ¼ö·Î ¹Ýȯ/ 
function getByteLen(obj,sMsgLng) {

	var sMsg       = obj.value;
	var sTmpMsg    = '';												//¸Þ½ÃÁö¸¦ Àӽ÷ΠÀúÀåÇÏ´Â º¯¼ö
	var sTmpMsgLen = 0;													//Àӽ÷ΠÀúÀåµÈ ¸Þ½ÃÁöÀÇ ±æÀ̸¦ ÀúÀåÇÏ´Â º¯¼ö
	var sOneChar   = '';												//Çѹ®ÀÚ¸¦ ÀúÀåÇÏ´Â º¯¼ö
	var iCounts    = new Array();										//ÃÑ ¹ÙÀÌÆ®¿Í ÆäÀÌÁö´ç ¹ÙÀÌÆ® ¼ö¸¦ ÀúÀåÇÏ´Â ¹è¿­

	iCounts[0]=0;														//ÃÑ ¹ÙÀÌÆ®¸¦ ÀúÀå ÇÏ´Â º¯¼ö

	if (sMsgLng != null) {
		sTmpMsg	= new String(sMsgLng);
	}
	else
		sTmpMsg	= new String(sMsg);
	
	sTmpMsgLen	= sTmpMsg.length;

	for (k = 0 ;k < sTmpMsgLen ;k++) {
		sOneChar = sTmpMsg.charAt(k);
		if (escape(sOneChar) == TOG_WORD) {
			//iCounts[0]++;
		}
		else if (escape(sOneChar).length > 4) {
			//iCounts[0] += 2;
			iCounts[0]++;
		}
		else  {
			iCounts[0]++;
		}
	}

	return iCounts;
}
//300¹ÙÀÌÆ® ÀÌ»ó µÇ¸é º¯¼öÀÇ ±æÀ̸¦ ÀÚ¸£´Â ÇÔ¼ö
function cutText(obj,sByteLen) {

	var sTmpMsg			= '';
	var iTmpMsgLen		= 0;
	var sOneChar		= '';
	var iCount			= 0;
	var sOneCharNext	= '';

	sTmpMsg = new String(obj.value);
	iTmpMsgLen = sTmpMsg.length;

	for (var k = 0 ;k < iTmpMsgLen ; k++) {
		sOneChar = sTmpMsg.charAt(k);
		sOneCharNext = sTmpMsg.charAt(k+1);
		if (escape(sOneChar) == TOG_WORD) {
			//iCount++;
			if (iCount > sByteLen-1) {
				sTmpMsg = sTmpMsg.substring(0,k);
				break;
			}
		}
		else if (escape(sOneChar).length > 4) {
			iCount += 2;
		}
		else {
			iCount++;
		}
		if (iCount > sByteLen) {
			sTmpMsg = sTmpMsg.substring(0,k);
			break;
		}
	}
	return sTmpMsg;
}