function getDayCount(year, month) {
    	var iyear = eval(year);
    	var imonth = eval(month);
		var day_term = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
		if (imonth==2 && (iyear/4==Math.floor(iyear/4) || iyear/400==Math.floor(iyear/400))) {
			return 29;
		}
		else return day_term[imonth-1];
	}

	function checkDigitString(checkString) {
		var i;
		for(i = 0; i < checkString.length; i++) {
			if( !(checkString.charAt(i) >= '0' && checkString.charAt(i) <= '9') ) {
				return false;
			}
		}
		return true;
	}
	
	function checkDoubleString(doubleString) {
		var i=0, j=0;
		for(i = 0; i < doubleString.length; i++) {
			if( !(doubleString.charAt(i) >= '0' && doubleString.charAt(i) <= '9')) {
				if( !(doubleString.charAt(i) == '.') ) {
					return false;
				}
				else {
					j++;
					if( j > 1 ) {
						return false;
					}
				}
			}
		}
		return true;
	}

    function checkCurrencyString(doubleString) {
		var i=0;
		rest = doubleString.length%4;
		for(i = 0; i < doubleString.length; i++) {
			
			if( !(doubleString.charAt(i) >= '0' && doubleString.charAt(i) <= '9')) {
				if(!(doubleString.charAt(i) == ',')) {
					return false;
				}
				else {
					if( i%4 != rest ) {
						return false;
					}
				}
			}
		}
		return true;
	}

    function isEmpty(s){
	   return ((s == null) || (s.length == 0));
    }

	var whitespace = " \t\n\r";
	
	function isWhitespace(s){
       if (isEmpty(s)) return true;
       for (var i = 0; i < s.length; i++) {   
        var c = s.charAt(i);
        if (whitespace.indexOf(c) == -1) return false;
       }
   		return true;
	}

	function round2 ( fnum, decimalPoint ) {
		var pnum = Math.pow(10, decimalPoint);
		retNum = Math.round(fnum*pnum) / pnum;
		return retNum;
	}
	
	function isVaildFileName(fileName) {
		var i;
		for(i = 0; i < fileName.length; i++) {
			ch = fileName.charAt(i);
			if( ch == '/' || ch == ':' || ch == '*'|| ch == '?' || ch == '\"' || ch == '<' || ch == '>' || ch == '|' || ch == '\\') {
				return false;
			}
		}
		return true;
	}
	
	function convertCurrency(val) {
		var value = val+"";
		first = "";
		last = "";
		len = value.length;
		if(len <= 3) return value;
		index = 0;
		
		for(i=1; i <len; i++) {
			if( i%3 == 2 ) {
				index = len-i-1;
				first = value.substring(0, index);
				last = value.substring(index, value.length);
				if(first.length>0)
					value = first + "," + last;
				else
					value = last;
				if( first.length <= 3 ) break;
			}
		}
		return value;
	}

	function convertNumber(val) {
		var value = val+"";
		first = "";
		last = "";
		var i=0, j=0;
		len = value.length;
		for(i = 0; i < len; i++) {
			if( (value.charAt(i) == ',') ) {
				first = value.substring(0, i);
				last = value.substring(i+1, value.length);
				value = first + last;
			}
		}
		return value;
	}
	
	function goto(pageNo) {	
		document.listForm.PageNo.value = pageNo;
		document.listForm.submit();
	}

	function trim(str) {
		var count = str.length;
		var len = count;                
		var st = 0;
				
		while ((st < len) && (str.charAt(st) <= ' ')) {
			st++;
		}
		while ((st < len) && (str.charAt(len - 1) <= ' ')) {
			len--;
		}                
		return ((st > 0) || (len < count)) ? str.substring(st, len) : str ;   
	}
	
	function phoneNumberCheck(num){
    var phoneNumTemp = num;
    var firstNumTemp = "";
    var extArray = new Array("010", "011", "016", "017", "018", "019");
    
  
    if(phoneNumTemp.length > 9 && phoneNumTemp.length < 12)
    {
      firstNumTemp = phoneNumTemp.substring(0,3);
      for (var i = 0; i < extArray.length; i++) {
  			if (extArray[i] == firstNumTemp) {
  				return true;
  			}
  		}
    }else{
      alert("ÀüÈ­¹øÈ£¸¦ ´Ù½Ã ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
      return false;
    }
    alert("ÀüÈ­¹øÈ£¸¦ ´Ù½Ã ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
    return false;
  }
	function GetCookie (name) {  
	    var arg = name + "=";  
	    var alen = arg.length;  
	    var clen = document.cookie.length;  
	    var i = 0;  
	    while (i < clen) {    
	    var j = i + alen;    
	    if (document.cookie.substring(i, j) == arg)      
	            return getCookieVal (j);    
	            i = document.cookie.indexOf(" ", i) + 1;    
	            if (i == 0) break;   
	    }  
	    return null;
	}
	
	function getCookieVal (offset) {  
	    var endstr = document.cookie.indexOf (";", offset);  
	    if (endstr == -1)    
	        endstr = document.cookie.length;  
	    return unescape(document.cookie.substring(offset, endstr));
	}