String.prototype.setReplaceWord			= setReplaceWord;
String.prototype.getByteLength			= getByteLength;
String.prototype.getTrim				= getTrim;
String.prototype.isByteSize				= isByteSize;
String.prototype.getTrimLeft			= getTrimLeft;
String.prototype.getTrimRight			= getTrimRight;
String.prototype.getLeftPad				= getLeftPad;
String.prototype.getRightPad			= getRightPad;
String.prototype.getCarrigeReturnRemove = getCarrigeReturnRemove;
String.prototype.getCarrigeReturnReplace = getCarrigeReturnReplace;
String.prototype.getByteString          = getByteString;
String.prototype.replaceAll             = replaceAll;

/**
 * @---------------------------------------------------
 * @desc   : °ªÀÌ ¾ø´ÂÁö üũ
 * @param  : üũÇÒ ¹®ÀÚ¿­
 * @return : true or false
 * @---------------------------------------------------
 */
function isNull(str){
	return ((str == null || str == "" || str == "undefined") ? true:false);
}

/**
 * @---------------------------------------------------
 * @desc   : ¹®ÀÚ¿­ÁßÀÇ Æ¯Á¤ ¹®ÀÚ ¶Ç´Â ´Ü¾î¸¦ ã¾Æ ¿øÇÏ´Â ¹®ÀÚ ¶Ç´Â ´Ü¾î·Î ġȯ
 * <pre>
 *				1. ãÀ» ´Ü¾î¸¦ ±¸ºÐÀÚ·Î ºÐ¸®ÇÑ ¹®ÀÚ¿­À» ÀúÀåÇÒ ¹è¿­ º¯¼öÁöÁ¤
 *				2. ġȯÇÏ¿© ¸®ÅÏÇÒ ³»¿ëÀ» ´ãÀ» º¯¼ö ÁöÁ¤
 *				3. ¿øº» ¹®ÀÚ¿­À» ãÀ» ´Ü¾î¸¦ ±¸ºÐÀÚ·Î ºÐ¸®
 *				4. ãÀ» ´Ü¾îÀÇ ¼ö¸¸Å­ loop
 *					- ãÀ» ´Ü¾î ´ë½Å ´ëü ´Ü¾î¸¦ ºÙÀ̸鼭 ´©Àû
 *				3. ¸¶Áö¸· ãÀ» ´Ü¾îÀÇ µÞºÎºÐ ³»¿ë Ãß°¡.
 *					- ãÀ» ´Ü¾î°¡ ¾ø¾ú´Ù¸é ¿øº» ¹®ÀÚ¿­ Àüü°¡ µÊ
 * </pre>
 * @param  : findWord    - ãÀ» ´Ü¾î
 * @param  : replaceWord - ´ëü ´Ü¾î
 * @return : rtnSting - ´ëüÇÏ°í³­ ¹®ÀÚ¿­
 * @---------------------------------------------------
 */
function setReplaceWord( findWord, replaceWord )
{
   var tempArray;
   var rtnSting = "";

   tempArray = this.split(findWord);

   for(var i=0; i < tempArray.length-1; i++)
   {
   		rtnSting += tempArray[i] + replaceWord;
   }

   rtnSting += tempArray[tempArray.length-1];

   return rtnSting;
}

/**
 * @---------------------------------------------------
 * @desc   : ÆĶó¹ÌÅÍ °ªÀÇ Byte Å©±â¸¦ ¸®ÅÏ
 * @param  : N/A
 * @return : ÆĶó¹ÌÅÍ °ªÀÇ Byte Å©±â
 * @---------------------------------------------------
 */
function getByteLength()
{
   // Byte ¼ö¸¦ ÀúÀåÇÒ º¯¼ö
   var rtnValue = 0;

   // Value °ªÀÇ ±æÀ̸¸Å­ loop
   for(var i=0; i < this.length; i++)
   {
      //ÇѱÛÀÌ µé¾î¿À¸é 255º¸´Ù Å©´Ù
     (this.charCodeAt(i) > 255) ? rtnValue += 2 : rtnValue += 1;
   }

  return rtnValue;
}

/**
 * @---------------------------------------------------
 * @desc   : ¹®ÀÚ¿­ÀÇ Byte Å©±â°¡ Á¦ÇÑ°ªÀ» ¹þ¾î³ª´ÂÁö üũ (¹þ¾î³ª¸é false ¸®ÅÏ)
 * @param  : pSize - Á¦ÇÑÅ©±â
 * @return : TRUE or FALSE
 * @---------------------------------------------------
 */
function isByteSize(pSize)
{
   return (this.getByteLength() <= eval(pSize) ? true : false);
}

/**
 * @---------------------------------------------------
 * @desc   : ¹®ÀÚ¿­À» ¿øÇÏ´Â ¹ÙÀÌÆ® Å©±â·Î ¸¸µç´Ù
 * @param  : strValue         : ¹®ÀÚ¿­
 * @param  : pMakeByteSize    : ¸¸µé°íÀÚ ÇÏ´Â ¹ÙÀÌÆ®¼ö
 * @param  : pByteSize        : ¹®ÀÚ¿­ÀÇ ¹ÙÀÌÆ®¼ö
 * @---------------------------------------------------
 */
function getStringAsByte(strValue, pMakeByteSize, pByteSize)
{
     var rtnValue = strValue;
     var sSpace = "";
     if (pByteSize > pMakeByteSize) return strValue;

     for( var iCnt = 1; iCnt <= pMakeByteSize-pByteSize; iCnt++) {
         sSpace = " " + sSpace;
     }

     rtnValue = sSpace + rtnValue;

     return rtnValue;
}

/**
 * @---------------------------------------------------
 * @desc   : ¹®ÀÚ¿­ ¾ÕµÚ¿¡ÀÖ´Â °ø¹é Á¦°Å
 * @param  : N/A
 * @return : °ø¹éÀ» Á¦°ÅÇÑ °á°ú ¹®ÀÚ¿­
 * @---------------------------------------------------
 */
function getTrim()
{
   var startPoint = 0;             // subString Çϱâ À§ÇÑ ½ÃÀÛ Æ÷ÀÎÆ®
   var endPoint   = this.length;   // subString Çϱâ À§ÇÑ ³¡ Æ÷ÀÎÆ®

   //¹®ÀÚ¿­¾Õ¿¡ °ø¹é¹®ÀÚ°¡ µé¾î ÀÖ´Â Index ÃßÃâ
   while( (startPoint < endPoint) && (this.charCodeAt(startPoint) == 32) )
   {
      startPoint++;
   }

   //¹®ÀÚ¿­µÚ¿¡ °ø¹é¹®ÀÚ°¡ µé¾î ÀÖ´Â Index ÃßÃâ
   while( (startPoint < endPoint) && (this.charCodeAt(endPoint-1) == 32) )
   {
      endPoint--;
   }
   // °ø¹éÀ» Á¦°ÅÇßÀ¸¸é subStringÇÏ¿© °á°ú¹®ÀÚ¿­À» ¸®ÅÏÇÏ°í Á¦°ÅÇÑ ³»¿ëÀÌ ¾øÀ¸¸é ±×´ë·Î ¸®ÅÏ
   return ( (startPoint > 0) || (endPoint < this.length) ) ? this.substring(startPoint, endPoint) : this;
}

/**
 * @---------------------------------------------------
 * @desc   : ¹®ÀÚ¿­ ¾Õ¿¡ ÀÖ´Â °ø¹é Á¦°Å
 * @param  : N/A
 * @return : °ø¹éÀ» Á¦°ÅÇÑ °á°ú ¹®ÀÚ¿­
 * @---------------------------------------------------
 */
function getTrimLeft()
{
   var i, j = 0;


   for (i = 0; i < this.length; i++) {
      if (this.charAt(i) == ' ') j = j + 1;
      else break;
   }

   return this.substr(j, this.length - j + 1);
}

/**
 * @---------------------------------------------------
 * @desc   : ¹®ÀÚ¿­ µÚ¿¡ ÀÖ´Â °ø¹é Á¦°Å
 * @param  : N/A
 * @return : °ø¹éÀ» Á¦°ÅÇÑ °á°ú ¹®ÀÚ¿­
 * @---------------------------------------------------
 */
function getTrimRight()
{

   var i, j = 0;

   for (i = this.length - 1; i >= 0; i--) {
      if (this.charAt(i) == ' ') j = j + 1;
      else break;
   }

   return this.substr(0, this.length - j);
}

/**
 * @---------------------------------------------------
 * @desc   :  ÀúÀåµÈ ¼ýÀÚ °ª¿¡ ¿øÇÏ´Â ±æÀ̸¸Å­ '0'À» ºÙ¿© Ç¥Çö
 * @param  : pLen - µ¹·Á¹ÞÀ» ÃÖÁ¾¹®ÀÚÀÇ ±æÀÌ
 * @return : ÁöÁ¤±æÀ̺¸´Ù ¸ðÀÚ¸¥°æ¿ì "0"°ªÀÌ Ãß°¡µÈ ¹®ÀÚ¿­
 * @return : ÁöÁ¤±æÀ̺¸´Ù Å«°æ¿ì ¿ø·¡ ¹®ÀÚ¿­À» ¹Ýȯ
 * @---------------------------------------------------
 */
function getLeftPad( pLength, padString )
{
	var rtnStr = eval(this);
	if (this.length < pLength) {

		for( var i = this.length; i < pLength; i++){
			rtnStr = padString + rtnStr;
		}
	}

	return rtnStr;
}

/**
 * @---------------------------------------------------
 * @desc   : ÀúÀåµÈ ¹®ÀÚ °ª¿¡ ¿øÇÏ´Â ±æÀ̸¸Å­ µÚÂÊ¿¡ ' 'À» ºÙ¿© Ç¥Çö
 * @param  : pLen - µ¹·Á¹ÞÀ» ÃÖÁ¾¹®ÀÚÀÇ ±æÀÌ
 * @return : ÁöÁ¤±æÀ̺¸´Ù ¸ðÀÚ¸¥°æ¿ì " "°ªÀÌ Ãß°¡µÈ ¹®ÀÚ¿­
 * @return : ÁöÁ¤±æÀ̺¸´Ù Å«°æ¿ì ¿ø·¡ ¹®ÀÚ¿­À» ¹Ýȯ
 * @---------------------------------------------------
 */
function getRightPad( pLength, padString )
{
	var rtnStr = eval(this);
	if (this.length < pLength) {

		for( var i = this.length; i < pLength; i++){
			rtnStr = rtnStr + padString;
		}
	}

	return rtnStr;
}

/**
 * @---------------------------------------------------
 * @desc   : ¹®ÀÚ¿­ÀÇ ±æÀ̸¦ ±¸ÇÑ´Ù.
 * @param  :
 * @return :
 * @---------------------------------------------------
 */
function getStringLength(pData)
{
    var sBit = "";
    var iLen = 0;

    for (var i = 0; i < pData.length; i++) {
        sBit = pData.charAt(i);

        if (escape(sBit).length > 4) iLen = iLen + 2;
        else iLen = iLen + 1;
    }

    return iLen;
}

/**
 * @---------------------------------------------------
 * @desc   : CarrigeReturnÀ» ¾ø¾Ø ¹®ÀÚ¿­À» ¸®ÅÏÇÑ´Ù.
 * @param  :
 * @return :
 * @---------------------------------------------------
 */
function getCarrigeReturnRemove() {
	return this.replace(/\s/g, "")
}

/**
 * @---------------------------------------------------
 * @desc   :  Àüü ¹®Àå¿¡¼­ ƯÁ¤ ¹®ÀåÀ» µÚ¿¡¼­ ºÎÅÍ Ã£´Â ÇÔ¼ö
 * @param  : strSrc - Àüü ¹®Àå
 * @param  : strFind - ãÀ» ¹®Àå
 * @return :  int
 * @---------------------------------------------------
 */
function getSearchStringRight(strSrc, strFind)
{
	var pos = strSrc.indexOf(strFind);
	if(pos == -1)
		return -1;

	while(pos != -1)
	{
		var oldPos = pos;
		pos = strSrc.indexOf(strFind, oldPos + 1);
	}

	return oldPos;
}

/**
 * @---------------------------------------------------
 * @desc   :  Àüü ¹®Àå¿¡¼­ ƯÁ¤ ¹®ÀåÀÌ ÀÖ´ÂÁö¸¦ °Ë»çÇÏ´Â ÇÔ¼ö
 * @param  : strSrc - Àüü ¹®Àå
 * @param  : strFind - ãÀ» ¹®Àå
 * @return :  boolean
 * @---------------------------------------------------
 */
function isSearchString(strSrc, strFind)
{
  var r, re;
  re = new RegExp(strFind);
  r = re.exec(strSrc);
  if (r)
  {
		return true;
  }
  return false;
}

/**
 * @---------------------------------------------------
 * @desc   :  ¿øÇÏ´Â ¹ÙÀÌÆ®¸¸Å­ ¹®ÀÚ¿­À» À߶ó¿È. ¸¸¾à ÇöÀç ¹®ÀÚ¿­º¸´Ù ÀÚ¸£°íÀÚ ÇÏ´Â ¹ÙÀÌÆ®°¡ Å©¸é ÇöÀç ¹®ÀÚ¿­ ¹Ýȯ.
 * @param  : bSize - ÀÚ¸£°íÀÚ ÇÏ´Â ¹ÙÀÌƮũ±â(¿¹:30 => 30byte)
 * @return :  bSize ¸¸Å­ÀÇ ¹®ÀÚ¿­
 * @---------------------------------------------------
 */
function getByteString(bSize) {
    if (this.getByteLength() <= bSize) {
        return this;
    }

    var rtnValue = "";
    for (var i = 0; i < this.length; i++) {
        if (rtnValue.getByteLength() >= bSize) {
            break;
        }

        rtnValue += this.charAt(i);
    }

    return rtnValue;
}

/**
 * @---------------------------------------------------
 * @desc   : CarrigeReturnÀ» ¿øÇÏ´Â ¹®ÀÚ¿­·Î ¹ÝȯÇÑ ´ÙÀ½  ¸®ÅÏÇÑ´Ù.
 * @param  : ch ¹Ù²Ù°íÀÚ ÇÏ´Â ¹®ÀÚ¿­
 * @return :
 * @---------------------------------------------------
 */
function getCarrigeReturnReplace(ch) {
	return this.replace(/\s/g, ch) ;
}

/**
 * @---------------------------------------------------
 * @desc   : ¹®ÀÚ¿­À» ġȯÇÏ¿© ¸®ÅÏÇÑ´Ù. 2013.05.29 ¾ö¿µ¸¸
 * @param  : findStr ¹Ù²Ù°íÀÚ ÇÏ´Â ¹®ÀÚ¿­, replaceStr ¹Ù²Ü ¹®ÀÚ¿­
 * @return :
 * @---------------------------------------------------
 */
function replaceAll(findStr, replaceStr) {
	var rtnValue = this;
	rtnValue = rtnValue.replace(new RegExp(findStr, "g"), replaceStr);

	return rtnValue;
}