function upperCase(str) {
	if (str.length = 0 ) return "";
	else return str.toUpperCase();
}
function lowerCase(str) {
	if (str.length = 0 ) return "";
	else return str.toLowerCase();
}
function Trim(str) {
	var search = 0
	while ( str.charAt(search) == " ") search = search + 1
	str = str.substring(search, (str.length))
	search = str.length - 1
	while (str.charAt(search) ==" ") search = search - 1
	return str.substring(0, search + 1)
}

function Trim2(str){
	var reg = /\s+/g;
	return str.replace(reg,'');
}


function showPopup()
{
	var url, name, w, h, loca, top, left, status, scroll, resize;
	var menubar, toolbar, locat, fullscreen;
	var winprops, win;
	url = arguments[0];
	name = arguments[1];
	if (arguments[2] == "" || arguments[2] == null)
	w = 300;
	else w = arguments[2];
	if (arguments[3] == "" || arguments[3] == null)
	h = 200;
	else h = arguments[3];
	if ( arguments[4] == "" || arguments[4] == null || arguments[4] == "1" || arguments[4] == "yes")
	{
	top = (screen.height - h) / 2;
	left = (screen.width - w) / 2;
	loca = 'top='+top+'; left='+left+';' ;
	}
	else if(arguments[4] == "0" || arguments[4] == "no")
	{
	if (arguments[5] == "" || arguments[5] == null)
	top = 0;
	else top = arguments[5];
	if (arguments[6] == "" || arguments[6] == null)
	left = 0;
	else left = arguments[6];
	loca = 'top='+top+'; left='+left+';' ;
	}
	else loca = '';
	if (arguments[7] == "" || arguments[7] == null)
	status = '1';
	else status = arguments[7];
	if (arguments[8] == "" || arguments[8] == null)
	scroll = '0';
	else scroll = arguments[8];
	if (arguments[9] == "" || arguments[9] == null)
	resize = '0';
	else resize = arguments[9];
	if (arguments[10] == "" || arguments[10] == null)
	menubar = '0';
	else menubar = arguments[10];
	if (arguments[11] == "" || arguments[11] == null)
	toolbar = '0';
	else toolbar = arguments[11];
	if (arguments[12] == "" || arguments[12] == null)
	locat = '0';
	else locat = arguments[12];
	if (arguments[13] == "" || arguments[13] == null)
	fullscreen = '0';
	else fullscreen = arguments[13];
	winprops = 'width='+w+'; height='+h+'; '+loca+' status='
	+status+'; scrollbars='+scroll+'; resizable='+resize+'; menubar='
	+menubar+'; toolbar='+toolbar+'; location='+locat+'; fullscreen='+fullscreen;
	win = window.open(url,name,winprops);
//	return false;
	return win ; //  modify jsyeom
}
function closeWindow()
{
	window.close();
	return false;
}

// Áֹεî·Ï¹øÈ£ üũ
function checkNationalId(nationalId1, nationalId2)
	{
	
	if(isNaN(nationalId1) || isNaN(nationalId2))
	{
		return 'N';
	}
	
	var nationalId = nationalId1 + nationalId2;

	var nationalIdStr = nationalId.toString();
	a = nationalIdStr.substring(0, 1);
	b = nationalIdStr.substring(1, 2);
	c = nationalIdStr.substring(2, 3);
	d = nationalIdStr.substring(3, 4);
	e = nationalIdStr.substring(4, 5);
	f = nationalIdStr.substring(5, 6);
	g = nationalIdStr.substring(6, 7);
	h = nationalIdStr.substring(7, 8);
	i = nationalIdStr.substring(8, 9);
	j = nationalIdStr.substring(9, 10);
	k = nationalIdStr.substring(10, 11);
	l = nationalIdStr.substring(11, 12);
	m = nationalIdStr.substring(12, 13);
	
	month = nationalIdStr.substring(2,4);
	day = nationalIdStr.substring(4,6);
	
	if(month <= 0 || month > 12) return 'N';
	if(day <= 0 || day > 31) return 'N';
	
	
	
	// Áֹεî·ÏµÞÀÚ¸® ù¹ø° ¹øÈ£ À¯È¿¼º üũ (1,2,3,4) are only valid
	if(g > 4 || g == 0) return 'N';
	
	temp=a*2+b*3+c*4+d*5+e*6+f*7+g*8+h*9+i*2+j*3+k*4+l*5;
	temp=temp%11;
	temp=11-temp;
	temp=temp%10;
	
	if(temp == m)
		return 'Y';
	else
		return 'N'; 
	
}

// ÇѱÛÀÎÁö ¾Æ´ÑÁö ±¸º°
function isHangul(s) 
{
     var len;
     
     len = s.length;

     for (var i = 0; i < len; i++)  {
         if (s.charCodeAt(i) != 32 && (s.charCodeAt(i) < 44032 || s.charCodeAt(i) > 55203))
             return false;
     }
     return true;
}

// °ø¹éÀÌ ÀÖ´ÂÁö üũ
function checkSpace( str )
{
	return (str.search(/\s/) != -1);
}


// 14¼¼ ÀÌ»óÀ̸é true¾Æ´Ï¸é false;
function is14AgeOver( v_year, v_month, v_day)
{
     var today = new Date();
     var d_year = v_year*1;
     var d_month = v_month*1;
     var d_day = v_day*1;
     
     /* °ú°Å ³¯Â¥¿©¾ß ÇÔ. */ 
     if( v_year > today.getYear() )
         return false;
     else if( v_year == today.getYear() && v_month*1 > (today.getMonth()*1+1))
         return false;
     else if( v_year == today.getYear() && v_month*1 == (today.getMonth()*1+1) && v_day > today.getDate())
         return false;
     
     /* ´Þº° ÀÏ check */
     if( d_month == 1 || d_month == 3 || d_month == 5 || d_month == 7 || d_month == 8 || d_month == 10 || d_month == 12){
         if( d_day > 31 || d_day < 1) return false;
     }
     else if(d_month == 4 || d_month == 6 || d_month == 9 || d_month == 11 ){
         if( d_day > 30 || d_day < 1 ) return false;	
     }
     else if( d_month == 2 )
     {
     	 if( ((d_year%4) == 0 && (d_year%100)!= 0) || ((d_year%100) == 0 && (d_year%400) == 0) ){
     	     if( d_day > 29 || d_day < 1 ) return false;
     	 }
     	 else {
     	     if( d_day > 28 || d_day < 1 ) return false;
     	 }
     }
     
     return true;
}