String.prototype.setAmountToKorean   = setAmountToKorean;
String.prototype.isNumber			 = isNumber;
String.prototype.isFloat             = isFloat;
String.prototype.getRound            = getRound;
String.prototype.getTruncate         = getTruncate;


function setAmountToKorean()
{
	var amountTmp = this;                    
	var amount    = "";                       
	var rtnAmt    = "";                       
	var amtKor    = "";                       
	var flag      = "N";                      

	var amtLength = amountTmp.length;
	var fstChar   = "";

	for(i=0; i < amtLength ;i++) {

		fstChar = amountTmp.substring(i,i+1);

		if('0' <= fstChar && '9' >= fstChar) {
		   amount = amount.concat(fstChar);
		}
	}

	amtLength   = amount.length;                

	for(i=1; i<=amtLength ;i++) {

		var amtEng = (amount.substring(amtLength-i,amtLength)).substring(0,1);

		switch(amtEng) {
			case '1':
				amtKor = "��";
				break;
			case '2':
				amtKor = "��";
				break;
			case '3':
				amtKor = "��";
				break;
			case '4':
				amtKor = "��";
				break;
			case '5':
				amtKor = "��";
				break;
			case '6':
				amtKor = "��";
				break;
			case '7':
				amtKor = "ĥ";
				break;
			case '8':
				amtKor = "��";
				break;
			case '9':
				amtKor = "��";
				break;
			case '0':
				continue;
			default:
				continue;
		}

		if(i==1) {
			rtnAmt = amtKor;
		} else {
			switch((i-1)%4) {
				case 1:
					amtKor = amtKor.concat("��");
					break;
				case 2:
					amtKor = amtKor.concat("��");
					break;
				case 3:
					amtKor = amtKor.concat("õ");
					break;
				case 0:
				default:
					break;
			}

			if( i>4 && i<9 && flag!='M') {
				amtKor = amtKor.concat("��");
				flag = 'M';
			}

			if( i>8 && i<13 && flag!='U') {
				amtKor = amtKor.concat("��");
				flag = 'U';
			}

			if( i>12 && flag!='J') {
				amtKor = amtKor.concat("��");
				flag = 'J';
			}

			rtnAmt = amtKor.concat(rtnAmt);
		}
	}

	return rtnAmt;
}


function isNumber()
{
	if( typeof( this ) == "undefined" ) return false;
	if( this.length == 0 ) return false;

	var thisSting = this.toString();
	for( var i=0; i < thisSting.length; i++ ){
		var thisNumber = thisSting.substring( i, i+1 );

		
		if( isNaN( thisNumber ) ) return false;

		
		if( " " == thisNumber ) return false;
	}

	return true;
}


function isFloat()
{
	
   return ( this == parseFloat( this ) ) ? true : false;
}


function getRound( position, mode )
{

   var valueNumber    = parseFloat(this);

   
   var tempArray = this.toString().setReplaceWord("-", "").split(".");

   
   if( !this.isFloat() )
   {
      
      return "";
   }

	
   if( !position.toString().isFloat() )
   {
      
      return "";
   }

   
   if(0 < parseInt( position ))
   {
      
      if( tempArray[0].length < parseInt(position) )
      {
         
         
         return "";
      }
   }
   
   else if(0 > parseInt(position))
   {
      
      if(tempArray.length != 2 || tempArray[1].length < parseInt(position)*(-1))
      {
         return this;
      }
   }

   switch(mode){
   
	   case "UP" : 
      
      if(0 < parseInt(position))
      {
         
         valueNumber = Math.ceil(valueNumber / Math.pow(10, position)) * Math.pow(10, position);

         return valueNumber;
      }
      
      else if(0 > parseInt(position))
      {
         
         valueNumber = Math.ceil(valueNumber * Math.pow(10, position*(-1)-1)) / Math.pow(10, position*(-1)-1);

         return valueNumber;
      }
      else
      {
         
         return "";
      }
   
	case "HALF_UP" :
      
      if(0 < parseInt(position))
      {
         
         valueNumber = Math.round(valueNumber / Math.pow(10, position)) * Math.pow(10, position);

         return valueNumber;
      }
      
      else if(0 > parseInt(position))
      {
         
         valueNumber = Math.round(valueNumber * Math.pow(10, position*(-1)-1)) / Math.pow(10, position*(-1)-1);

         return valueNumber;
      }
      else
      {
         
         return "";
      }

   
   case "DOWN" :
      
      if(0 < parseInt(position))
      {
         
         valueNumber = Math.floor(valueNumber / Math.pow(10, position)) * Math.pow(10, position);

         return valueNumber;
      }
      
      else if(0 > parseInt(position))
      {
         
         valueNumber = Math.floor(valueNumber * Math.pow(10, position*(-1)-1)) / Math.pow(10, position*(-1)-1);

         return valueNumber;
	  }else{
         
         return "";
      }

   
   default :
      
      
      return "";
   }
}


function getTruncate()
{
	var TempArray = new Array();
	TempArray = this.split(".");
	return TempArray[0];
}


function getRandomNo( iRange )
{
	iRnt = Math.floor( Math.random() * iRange ) + 1;
	return iRnt;
}