function lencheck(obj, msg, lnum) {	// obj : ±æÀ̸¦ üũÇÒ °³Ã¼, msg : ¹®ÀÚ¿­(err), lnum : ÃÖ¼Ò±æÀÌ
	obj = eval(obj);
	var temp = removeblank(obj.value);
	if (temp.length < lnum) {
		alert("[" + msg + "]À» Á¤È®È÷ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
		//resetvalue(obj);
		return false;
	}
	return true;
}

function removeblank(str) {		// ÁÖ¾îÁø ¹®ÀÚ¿­(str)ÀÇ °ø¹éÀ» Á¦°ÅÇÏ´Â ÇÔ¼ö
	var zero = String.fromCharCode(32); //blank(32)°ø¹é¹®ÀÚ¿­
	var i = 0, temp="", ch="";

	for (i; i < str.length; i++) {
		ch = str.charAt(i);
		
		if (ch == zero) {continue;}
		else {temp += ch;}
	}
	return temp;
}

function hangulchk(wrd, idx) {	
	var str;
	if (idx == 1) { str =	 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-_"; }
	else if(idx == 3) { str =	 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890._"; }
	else { str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890;:/?,<>`!@#$%^&*()=\|"; }
		for (var i=0; i< wrd.length; i++){
			idcheck = wrd.charAt(i);
			for ( j = 0 ;  j < str.length ; j++){
				if (idcheck == str.charAt(j)) break;
	     		if (j+1 == str.length) return false;
	     	}
	     }
	     return true;
}

function numchk(num) {
		var str = "1234567890";
		for (i=0; i< num.length; i++){
			numcheck = num.charAt(i);
			for ( j = 0 ;  j < str.length ; j++){
				if (numcheck == str.charAt(j)) break;
	     		if (j+1 == str.length) return false;
	     	}
	     }
	     return true;
}