function popupWin(page,name,x,y) {
	var rtn;
    var xc = ((screen.availWidth-10)-x) / 2;
    var yc = ((screen.availHeight-30)- y) / 2;
	var opt = "'toolbar=no,alwaysRaised=no,location=no,status=yes,menubar=no,scrollbars=yes,width=";
	opt = opt + x;
	opt = opt + ",height="+ y;
	opt = opt +",resizable=yes,hotkey=no,dependent=no,screenX="+xc+",screenY="+yc+", top="+yc+", left="+xc+"'";
	//rtn = window.open(page,name,opt);
	window.open(page,name,opt);
	//return rtn;
}
// scrollbar 사용
function popupWin2(page,name,x,y) {
	var rtn;
    var xc = ((screen.availWidth-10)-x) / 2;
    var yc = ((screen.availHeight-30)- y) / 2;
	var opt = "'toolbar=no,alwaysRaised=no,location=no,status=no,menubar=no,scrollbars=yes,width=";
	opt = opt + x;
	opt = opt + ",height="+ y;
	opt = opt +",resizable=no,hotkey=no,dependent=no,screenX="+xc+",screenY="+yc+", top="+yc+", left="+xc+"'";
	//rtn = window.open(page,name,opt);
	window.open(page,name,opt);
	//return rtn;
}

function zipCodepopup(obj){	//html obj: form명
	popupWin("/includes/jsp/join/popup_zip.jsp?formname="+obj,"searchZipCode","450","170");
}

function isEmpty(obj) {
	if (!obj) {
		alert("존재하지 않는 Form 변수입니다.");
		obj.focus();
		if (obj.type == "text") obj.select();
		return false;
	}

	var str = obj.value;
	str = str + "";

	if (( str == "") || (str == null)) {
		obj.focus();

		if (obj.type == "text") obj.select();
		return true;
	}
	var chk = 0;
	for(i=0;i<str.length;i++) {
		if(str.charAt(i) == " ") chk++;
	}
	if(chk==str.length) return true;

	return false;
}

function isEmpty2(obj) {
	if (!obj) {
		alert("존재하지 않는 Form 변수입니다.");
		if (obj.type == "text") obj.select();
		return false;
	}

	var str = obj.value;
	str = str + "";

	if (( str == "") || (str == null)) {
		if (obj.type == "text") obj.select();
		return true;
	}
	var chk = 0;
	for(i=0;i<str.length;i++) {
		if(str.charAt(i) == " ") chk++;
	}
	if(chk==str.length) return true;

	return false;
}
function number(){
	var e1 = event.srcElement;
	var num ="0123456789";
	event.returnValue = true;

	for (var i=0;i<e1.value.length;i++) {
		if(-1 == num.indexOf(e1.value.charAt(i))) {
			event.returnValue = false;
		}
	}

	if (!event.returnValue) {
		e1.value="";
	}
}

function num_only(){
	if((event.keyCode >=48 && event.keyCode <=57)   // 자판 0~9
			|| (event.keyCode >=96 && event.keyCode <= 105)  // keypad 0~9)
			|| (event.keyCode >= 37 && event.keyCode <= 40)){
	}else{
		event.returnValue=false;
	}
}

//--------------------------------------------------------------------
//Function name: isNumeric
//Description  : 숫자로만 구성되어 있는지를 검사
//Parameter    : obj(화면컨트롤)
//-------------------------------------------------------------------- 
//Usage        : <input type="text" onBlur="isNumeric(this)">
//Caution      : 화면컨트롤에 데이타가 없는 경우에는 true를 리턴
//-------------------------------------------------------------------- 
function isNumeric(str) {
	//if (str=="" || str.length == 0)
	//	return false;
	for (var i = 0; i < str.length; i++){
		var ch = str.substring(i, i + 1);
		if ((ch < "0" || "9" < ch) ){
			//obj.focus();
			return false;
		}
	}
	return true;
}

function checkEnglishNumber(frmName,inStr) {
	strarr = new Array(inStr.length);
	schar = new Array('/','>','<',',','?','}','{',' ','\\','|','(',')','+','=','&','"','@','%','!','#','$','*','<','>','#','$','&','!','`','"','{','}',';',':','~','\'');
	for (i=0; i<inStr.length; i++) {
        for (j=0; j<schar.length; j++) {
            if (schar[j] ==inStr.charAt(i)) {
	          alert(frmName+" : 특수문자 또는 공백 입력이 불가합니다.");
                return false;
            }
            else
                continue;
        }
        strarr[i] = inStr.charAt(i)
		if (!(((strarr[i] >='a') && (strarr[i] <='z'))||((strarr[i] >='A') && (strarr[i] <='Z'))||(strarr[i] == '_')||((strarr[i] >=0) && (strarr[i] <=9)))) {
            alert(frmName+" : 영문 및 숫자 입력만 가능합니다.");
            return false;
		}
        else if ((escape(strarr[i]) > '%60') && (escape(strarr[i]) <'%80') ) {
            alert(frmName+" : 특수문자 입력이 불가합니다.");
            return false;
		}
        else {
			continue;
        }
    }
	return true;
}

function isAllAlphaNum( inStr ) {
    if (inStr.length > 0) {
        var intCount,intCharCount;
        intCount = 0;
        intCharCount = 0;
        for (i=0; i < inStr.length; i++) {
            if ( (inStr.charAt(i) >= '0' && inStr.charAt(i) <= '9') ) { intCount += 1; }
            if ( (inStr.charAt(i) >= 'a' && inStr.charAt(i) <= 'z') || (inStr.charAt(i) >= 'A' && inStr.charAt(i) <= 'Z') ) { intCharCount += 1; }
        }

        if ( (inStr.length == intCount) || (intCharCount < 1) ) {
            return false;
        }
        return true;
    }else {
        return false;
    }
}

function isEmail(str) {
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported)
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}

function number(){
	var e1 = event.srcElement;
	var num ="0123456789";
	event.returnValue = true;
	for (var i=0;i<e1.value.length;i++) {
		if(-1 == num.indexOf(e1.value.charAt(i))) {
			event.returnValue = false;
		}
	}
	if (!event.returnValue) {
		e1.value="";
	}
}