// Trim 함수 ##################################################
// Ex) str = "    테 스트   ".trim(); => str = "테 스트";
String.prototype.trim = function() {
    return this.replace(/(^\s*)|(\s*$)/g, "");
}

// 문자열 공백제거 함수 ##################################################
// Ex) str = "    테 스   트   ".stripspace(); => str = "테스트";
String.prototype.stripspace = function() {
 return this.replace(/ /g, "");
}

// 전체 문자열 바꾸기 함수 ##################################################
// Ex) str = "a테스트bcd테스트efg".replaceAll("테스트", ""); => str = "abcdefg";
String.prototype.replaceAll = function(a, b) {
 var s = this;
 var n1, n2, s1, s2;

 while (true) {
  if ( s=="" || a=="" ) break;
  n1 = s.indexOf(a);
  if ( n1 < 0 ) break;
  n2 = n1 + a.length;
  if ( n1==0 ) {
   s1 = b;
  }
  else {
   s1 = s.substring(0, n1) + b;
  }
  if ( n2 >= s.length ) {
   s2 = "";
  }
  else {
   s2 = s.substring(n2, s.length);
  }
  s = s1 + s2;
 }
 return s;
}

// Event 추가 ##################################################
function addEvent(obj, evt, exec) {
 if (window.attachEvent) obj.attachEvent('on'+evt, exec);
 else if (window.addEventListener) obj.addEventListener(evt, exec, false);
 else obj['on'+evt] = exec;
}

// 팝업 ##################################################
function openPopup(theURL, winName, width, height, remFeatures) {
 var features = "";
 if (typeof winName == "undefined") winName = "";
 if (typeof width != "undefined") features += ((features) ? "," : "")+"width="+width;
 if (typeof height != "undefined") features += ((features) ? "," : "")+"height="+height;
 if (typeof remFeatures != "undefined") features += ((features) ? "," : "")+remFeatures;
 if (features.indexOf("status") < 0) features += ",status=yes";

 var popup = window.open(theURL, winName, features);
 popup.focus();

 return popup;
}

// 팝업 - 팝업창 화면중앙 오픈 ##################################################
function openPopupCenter(theURL, winName, width, height, remFeatures) {
 var left = (screen.width/2) - (width/2);
 var top = (screen.availHeight/2) - (height/2);
 var features = "left="+left+",top="+top+",width="+width+",height="+height;
 if (typeof winName == "undefined") winName = "";
 if (typeof remFeatures != "undefined") features += ","+remFeatures;
 if (features.indexOf("status") < 0) features += ",status=yes";

 var popup = window.open(theURL, winName, features);
 popup.focus();

 return popup;
}

// 팝업 - 팝업창 사이즈 조정 ##################################################
function resizePopupWindow_browser(width, height)
{
 var reWidth = width ;
 var reHeight = height ;
 var appname;
 var  useragent;
 var IE55,IE6,IE7,IE8;
 appname = navigator.appName;
 useragent = navigator.userAgent;
 if(appname == "Microsoft Internet Explorer") appname = "IE";
  IE55 = (useragent.indexOf('MSIE 5.5')>0);  //5.5 버전
  IE6  = (useragent.indexOf('MSIE 6')>0);     //6.0 버전
  IE7  = (useragent.indexOf('MSIE 7')>0);     //7.0 버전
  IE8  = (useragent.indexOf('MSIE 8')>0);     //8.0 버전
 if(appname=="IE")
 {
  if(IE55){reWidth = width;reHeight = height ;}
  if(IE6) {reWidth = width;reHeight = height - 22;}
  if(IE7) {reWidth = width;reHeight = height - 22;}
  if(IE8) {reWidth = width;reHeight = height ;}
 }
 resizePopupWindow(reWidth,reHeight)
}

function resizePopupWindow(width, height) {
 var strAgent = navigator.userAgent.toLowerCase();
 var bIE7 = (strAgent.indexOf("msie 7.0") != -1);
 window.resizeTo(width+10, height+(bIE7 ? 69 : 49));
}

// 팝업 - 팝업창 위치 조정 ##################################################
function movePopupWindow(left, top) {
 window.moveTo(left, top);
}

// 모달 ##################################################
function MM_openModal(theURL, obj, features) {
 window.showModalDialog(theURL, obj, features);
}

// 키 관련 함수 ##################################################
function blockKey(e) {
 var e = window.event || e;
 if (window.event) {
  e.returnValue = false;
 }
 else {
  if (e.which != 8) e.preventDefault(); // 8 : Back Space
 }
}

function blockEnter(e) {
 var e = window.event || e;
 if (window.event) {
  if (e.keyCode == 13) e.returnValue = false;
 }
 else {
  if (e.which == 13) e.preventDefault();
 }
}

function blockNotNumber(e) {
 var e = window.event || e;
 if (window.event) {
  if (e.keyCode < 48 || e.keyCode > 57) e.returnValue = false;
 }
 else {
  if (e.which != 8 && (e.which < 48 || e.which > 57)) e.preventDefault(); // 8 : Back Space
 }
}

function onEnter(e, nextItem) {
 var e = window.event || e;
 var keyCode = (window.event) ? e.keyCode : e.which;
 if (keyCode == 13) {
  if (nextItem) nextItem.focus();
 }
}

function isEnter(e, action) {
 var e = window.event || e;
 var keyCode = (window.event) ? e.keyCode : e.which;
 if (keyCode == 13) {
  if (action) eval(action);
  return false ;
 }
}

// 즐겨찾기 추가 ##################################################
// 예) <a href="javascript:;" onClick="addFavorites('홈페이지', 'http://www.homepage.com');">즐겨찾기 등록</a>
function addFavorites(title, url) {
 if (document.all) { // IE
  window.external.AddFavorite(url, title);
 }
 else if (window.sidebar) { // Firefox
  window.sidebar.addPanel(title, url, "");
 }
 else { // Opera, Safari ...
  alert("현재 브라우져에서는 이용할 수 없습니다.");
  return;
 }
}

// 시작페이지 설정 ##################################################
// 예) <a href="javascript:;" onClick="setStartPage(this, 'http://www.homepage.com');">시작페이지로</a>
function setStartPage(obj, url) {
 if (document.all && window.external) { // IE
  obj.style.behavior = "url(#default#homepage)";
  obj.setHomePage(url);
 }
 else { // Firefox, Opera, Safari ...
  alert("현재 브라우져에서는 이용할 수 없습니다.");
  return;
    }
}

// 페이지 이동 ##################################################
function gotoUrl(url) {
 if (url.stripspace() != "") {
  location.href = url;
 }
}

// 페이지 최상단으로 ##################################################
function goTop() {
 window.scrollTo(0, 0);
}

// 이미지 미리보기 ##################################################
function previewImage(obj, imgId) {
 var objImg = document.getElementById(imgId);

 if (obj.value.stripspace() == "") return;

 var ext = getFileExt(obj.value).toUpperCase();

 if (ext == 'JPG' || ext == 'GIF' || ext == 'BMP' || ext == 'PNG') objImg.src = obj.value;
}

// 이미지 사이즈 줄이기 ##################################################
function resizeImage(objImg, limitId) {
 var objParent = objImg.parentNode;
 var imgWidth = parseInt(objImg.width, 10);
 var fixWidth = imgWidth;

 if (typeof limitId == 'undefined') return;

 while (objParent) {
  if (objParent && objParent.id == limitId) {
   fixWidth = objParent.clientWidth;
   break;
  }
  objParent = objParent.offsetParent;
 }

 if (imgWidth > fixWidth) {
  objImg.width = fixWidth;
 }
}

function resizeImageAll(limitId) {
 var objLimit = document.getElementById(limitId);
 if (objLimit) {
  var fixWidth = objLimit.clientWidth;
  var arrImgs = objLimit.getElementsByTagName("IMG");
  for (var i=0, len=arrImgs.length; i<len; i++) {
   if (parseInt(arrImgs[i].width, 10) > fixWidth) {
    arrImgs[i].width = fixWidth;
   }
  }
 }
}

// IFRAME RESIZE 함수 ##################################################
function resizeFrame(iframeWindow, minWidth, minHeight, fixWidth, fixHeight) {
 if (!iframeWindow.name) return false;

 var iframeElement = document.getElementById(iframeWindow.name);
 var resizeWidth = 0;
 var resizeHeight = 0;

 minWidth = (typeof minWidth != 'undefined') ? parseInt(minWidth, 10) : 0;
 minHeight = (typeof minHeight != 'undefined') ? parseInt(minHeight, 10) : 0;
 fixWidth = (typeof fixWidth != 'undefined') ? parseInt(fixWidth, 10) : 0;
 fixHeight = (typeof fixHeight != 'undefined') ? parseInt(fixHeight, 10) : 0;

 if (document.all) { // ie
  if (iframeWindow.document.compatMode && iframeWindow.document.compatMode != 'BackCompat') {
   resizeWidth = iframeWindow.document.documentElement.scrollWidth;
   resizeHeight = iframeWindow.document.documentElement.scrollHeight;
  }
  else {
   resizeWidth = iframeWindow.document.body.scrollWidth;
   resizeHeight = iframeWindow.document.body.scrollHeight;
  }
 }
 else {
  resizeWidth = iframeWindow.document.body.scrollWidth;
  resizeHeight = iframeWindow.document.body.scrollHeight;
 }

 if (minWidth > 0 && resizeWidth < minWidth) resizeWidth = minWidth;   // 최소 폭
 if (minHeight > 0 && resizeHeight < minHeight) resizeHeight = minHeight;  // 최소 높이

 if (fixWidth > 0) resizeWidth = fixWidth;  // 고정 폭
 if (fixHeight > 0) resizeHeight = fixHeight; // 고정 높이

 if (fixWidth > -1) iframeElement.style.width = resizeWidth + 'px';
 if (fixHeight > -1) iframeElement.style.height = resizeHeight + 'px';
}

// 현재 이벤트객체 Index 가져오기 ##################################################
function getDisObjIdx(obj) {
 var i = 0;
 var result = 0;

 var arrTag = document.getElementsByTagName('*');

 if (obj.sourceIndex) {
  while (arrTag[i].sourceIndex < obj.sourceIndex) {
   if (arrTag[i].id == obj.id) ++result;
   ++i;
  }
 }
 else if (obj.compareDocumentPosition) {
  while ((arrTag[i].compareDocumentPosition(obj) & 6) - 3 > 0) {
   if (arrTag[i].id == obj.id) ++result;
   ++i;
  }
 }

 return result;
}

// 체크박스 전체선택 ##################################################
function checkCbAll(cbList, isChecked) {
 if (cbList) {
  if (typeof(cbList.length) == "undefined") {
   if (!cbList.disabled) cbList.checked = isChecked;
  }
  else {
   for (var i=0; i<cbList.length; i++) {
    if (cbList[i].type.toUpperCase() == 'CHECKBOX') {
     if (cbList[i].value.stripspace() != "" && !cbList[i].disabled) {
      cbList[i].checked = isChecked;
     }
    }
   }
  }
 }
}

// 텍스트 길이 확인 (일반) ##################################################
function checkTextLen(obj, mLen) {
 if (obj.value.length > mLen){
  alert("1~"+mLen+"자까지 입력이 가능합니다.");
  obj.value = obj.value.substring(0, mLen);
  obj.focus();
  return false;
 }

 return true;
}

// 텍스트 길이 확인 (Byte) ##################################################
function checkTextLenByte(obj, mLen) {
 var i, len;
 var byteLen = 0;
 var value = obj.value;

 for (i=0, len=value.length; i<len; i++) {
  ++byteLen;

  if ((value.charCodeAt(i) < 0) || (value.charCodeAt(i) > 127)) ++byteLen;

  if (byteLen > mLen) {
   alert("1~"+(mLen / 2)+"자의 한글, 또는 2~"+mLen+"자의 영문, 숫자, 문장기호로 입력이 가능합니다.");
   obj.value = value.substring(0, i);
   obj.focus();
   return false;
  }
 }

 return true;
}

// 객체 Offset 가져오기 ##################################################
function getOffset(obj) {
 var objOffset = { left : 0, top : 0 };
 var objOffsetParent = obj.offsetParent;

 objOffset.left = parseInt(obj.offsetLeft, 10);
 objOffset.top = parseInt(obj.offsetTop, 10);

 while (objOffsetParent) {
  objOffset.left += parseInt(objOffsetParent.offsetLeft, 10);
  objOffset.top += parseInt(objOffsetParent.offsetTop, 10);

  objOffsetParent = objOffsetParent.offsetParent;
 }

 return objOffset;
}

// 텍스트 Byte 길이 가져오기 ##################################################
function getTextByte(value) {
 var i, len;
 var byteLen = 0;

 for (i=0, len=value.length; i<len; i++) {
  if (escape(value.charAt(i)).length >= 4) {
   byteLen += 2;
  }
  else if (escape(value.charAt(i)) != "%0D") {
   ++byteLen;
  }
 }

 return byteLen;
}

// 입력 문자길이 확인후 다음항목으로 포커스 옮기기 ##################################################
function goNextFocusChk(obj, len, next_item) {
 if (obj.value.stripspace().length == len){
  next_item.focus();
 }
}

// 영문 문자열 확인 ##################################################
function strEngCheck(value){
 var i;

 for(i=0;i<value.length-1;i++){
  // 한글 체크 (한글 ASCII코드 : 12593부터)
  if (value.charCodeAt(i) > 12592) return false;
  // 공백 체크
  if (value.charAt(i) == " ") return false;
 }
 return true;
}

// 파일명 확인 ##################################################
function checkFileName(obj) {
 var result = false;

 if (obj.value.stripspace() != "") {
  var fidx = obj.value.lastIndexOf("\\")+1;
  var filename = obj.value.substr(fidx, obj.value.length);
  result = strEngCheck(filename);
 }

 if (!result) {
  alert("파일명을 반드시 영문 또는 숫자로 해주세요.");
  obj.focus();
  return false;
 }
 return true;
}

// 파일 확장자 ##################################################
function getFileExt(value) {
 if (value != "") {
  var fidx = value.lastIndexOf("\\")+1;
  var filename = value.substr(fidx, value.length);
  var eidx = filename.lastIndexOf(".")+1;

  return filename.substr(eidx, filename.length);
 }
}

// 파일확장자 확인 ##################################################
function checkFileExt(obj, exts, errMsg) {
 var arrExt = exts.toLowerCase().split(",");
 var result = false;

 if (obj.value.stripspace() != "") {
  var ext = getFileExt(obj.value).toLowerCase();

  for (var i=0; i<arrExt.length; i++) {
   if (arrExt[i].trim() == ext) result = true;
  }
 }

 if (!result) {
  alert(errMsg);
  obj.focus();
  return false;
 }
 return true;
}

// 영문/숫자 혼용 확인 ##################################################
function checkEngNum(str) {
 var RegExpE = /[a-zA-Z]/i;
 var RegExpN = /[0-9]/;

 return (RegExpE.test(str) && RegExpN.test(str)) ? true : false;
}

// 특수문자 확인 ##################################################
function checkSpecialChar(value) {
 var specialChar = "`~!@#$%^&*_+=|\\[]{}:;,<.>/?'\"";
 for (var i=0, len=specialChar.length; i<len; i++) {
  if (value.indexOf(specialChar.substr(i, 1)) != -1) return true;
 }
 return false;
}

// 아이디 확인 ##################################################
function checkID(value, min, max) {
 var RegExp = /^[a-zA-Z0-9_]*$/i;
 var returnVal = RegExp.test(value) ? true : false;
 if (typeof(min) != "undefined" && value.length < min) returnVal = false;
 if (typeof(max) != "undefined" && value.length > max) returnVal = false;
 return returnVal;
}

// 비밀번호 확인 ##################################################
function checkPass(value, min, max) {
 var RegExp = /^[a-zA-Z0-9]*$/i;
 var returnVal = RegExp.test(value) ? true : false;
 if (typeof(min) != "undefined" && value.length < min) returnVal = false;
 if (typeof(max) != "undefined" && value.length > max) returnVal = false;
 return returnVal;
}

// 숫자 확인 ##################################################
function checkNum(value, isDec) {
 var RegExp;

 if (!isDec) isDec = false;
 RegExp = (isDec) ? /^-?[\d\.]*$/ : /^-?[\d]*$/;

 return RegExp.test(value)? true : false;
}

// 이메일 확인 ##################################################
function checkEmail(email) {
 if (email.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) {
  return true;
 }
 else {
  return false;
 }
}

// URL 확인 ##################################################
function checkUrl(url) {
 var exp = new RegExp("^(http|https)\:\/\/");
 if (exp.test(url.toLowerCase())) {
  return true;
 }
 else {
  return false;
 }
}

// 공백 확인 ##################################################
function checkEmpty(obj) {
 if (obj.value.stripspace() == "") {
  return true;
 }
 else {
  return false;
 }
}

// Radio(CheckBox) 설정값 가져오기 ##################################################
function getRadioVal(obj) {
 var i, value = "";

 if (obj) {
  if (typeof(obj.length) == "undefined") {
   if (obj.checked) {
    value = obj.value;
   }
  }
  else {
   for (i=0; i<obj.length; i++) {
    if (obj[i].checked) {
     value = obj[i].value;
     break;
    }
   }
  }
 }
 return value;
}

// Radio 설정하기 ##################################################
function setRadioVal(obj, value) {
 var i;

 if (obj) {
  if (typeof(obj.length) == "undefined") {
   if (obj.value == value) {
    obj.checked = true;
   }
  }
  else {
   for(i=0; i<obj.length; i++) {
    if (obj[i].value == value) {
     obj[i].checked = true;
     break;
    }
   }
  }
 }
}

// Radio Disabled 설정하기 ##################################################
function setRadioDisabled(obj, value, disabled) {
 var i;

 if (obj) {
  if (typeof(obj.length) == "undefined") {
   if (obj.value == value) {
    obj.disabled = disabled;
   }
  }
  else {
   for(i=0; i<obj.length; i++) {
    if (obj[i].value == value) {
     obj[i].disabled = disabled;
     break;
    }
   }
  }
 }
}

// Form Disabled 전체 설정하기 ##################################################
function setRadioDisabledAll(obj, disabled) {
 var i;

 if (obj) {
  if (typeof(obj.length) == "undefined") {
   obj.disabled = disabled;
  }
  else {
   for(i=0; i<obj.length; i++) {
    obj[i].disabled = disabled;
   }
  }
 }
}

// Select 설정값 가져오기 ##################################################
function getSelectVal(obj) {
 var value = "";
 var idx = obj.selectedIndex;

 if (idx >= 0){
  value = obj.options[idx].value;
 }

 return value;
}

// Select Option 추가 ##################################################
function selectAddList(obj, text, value) {
 var newOpt = document.createElement("OPTION");
 newOpt.text = text;
 newOpt.value = value;
 obj.options.add(newOpt);
}

// Select Option 전체삭제 ##################################################
function selectRemoveAll(obj) {
 for (var i=obj.length-1; i>=0; i--) {
  selectRemoveList(obj, i);
 }
}

// Select Option 삭제 ##################################################
function selectRemoveList(obj, i) {
 obj.remove(i);
}

// Hidden 추가 ##################################################
function addHidden(f, name, value) {
 var input = document.createElement('INPUT');
 input.type = 'HIDDEN';
 input.name = name;
 input.value = value;
 f.appendChild(input);
}

// 숫자 문자열에서 문자열 제거 ##################################################
function stripCharFromNum(value, isDec) {
 var i;
 var minus = "-";
 var nums = "1234567890"+((isDec) ? "." : "");
 var result = "";

 for(i=0; i<value.length; i++) {
  numChk = value.charAt(i);
  if (i == 0 && numChk == minus) {
   result += minus;
  }
  else {
   for(j=0; j<nums.length; j++) {
    if(numChk == nums.charAt(j)) {
     result += nums.charAt(j);
     break;
    }
   }
  }
 }
 return result;
}

// 콤마(,) 제거 ##################################################
function stripComma(str) {
    var re = /,/g;
    return str.replace(re, "");
}

// 숫자 3자리수마다 콤마(,) 찍기 ##################################################
function formatComma(num, pos) {
 if (!pos) pos = 0;  //소숫점 이하 자리수
 var re = /(-?\d+)(\d{3}[,.])/;

 var strNum = stripComma(num.toString());
 var arrNum = strNum.split(".");

 arrNum[0] += ".";

    while (re.test(arrNum[0])) {
        arrNum[0] = arrNum[0].replace(re, "$1,$2");
    }

 if (arrNum.length > 1) {
  if (arrNum[1].length > pos) {
   arrNum[1] = arrNum[1].substr(0, pos);
  }
  return arrNum.join("");
 }
 else {
  return arrNum[0].split(".")[0];
 }
}

// 강제 소수점 이하 0채우기 ##################################################
// num: 대상숫자, pos: 출력을 원하는 소수점자리수
function setRoundZero(num, pos) {
 var strNum = stripComma(num.toString());
 var arrNum = strNum.split(".");

 if (arrNum.length <= 1) {
  num = arrNum[0]+".";
  for (var i=0; i<pos; i++) {
   num += "0";
  }
 }
 else {
  num = setRound(num, pos);
 }
 return num;
}

// 소수점 이하 반올림 ##################################################
// num: 대상숫자, pos:출력을 원하는 소수점자리수
function setRound(num, pos) {
 if(!pos) pos = 0;
 return (Math.round(num*(Math.pow(10,pos))))/(Math.pow(10, pos));
}

// 소수점 이하 자리수 확인 ##################################################
// num: 대상숫자, pos: 희망 소수점 이하자리수
function checkRound(num, len) {
 var strNum = stripComma(num.toString());
 var arrNum = strNum.split(".");

 if (arrNum.length > 1 && arrNum[1].length > len) return false;
 else return true;
}

// 숫자 문자열에서 "0" 시작문자 제거 ##################################################
function removePreZero(str) {
 var i, result;

 if (str == "0") return str;

 for (i = 0; i<str.length; i++) {
  if (str.substr(i,1) != "0") break;
 }

 result = str.substr(i, str.length-i);
 return result;
}

// 통화형태로 변환 ##################################################
function toCurrency(obj) {
 if (obj.disabled) return false;

 var num = obj.value.stripspace();
 if (num == "") return false;

 if (!checkNum(stripComma(num))) {
  //alert ("숫자만 입력해주세요.");
  num = stripCharFromNum(num, false);
  obj.blur(); obj.focus();
 }
 num = stripCharFromNum(stripComma(num), false);
 num = removePreZero(num);
 obj.value = formatComma(num);
}

// 숫자입력 확인 ##################################################
function numberOnly(obj, isDec) {
 if (!isDec) isDec = false;
 if (obj.disabled) return false;

 var num = obj.value.stripspace();
 if (num == "") return false;

 if (!checkNum(num, isDec)) {
  //alert ("숫자만 입력해주세요.");
  num = stripCharFromNum(num, isDec);
  obj.blur(); obj.focus();
 }
 num = stripCharFromNum(stripComma(num), isDec);

 var arrNum = num.split(".");
 if (arrNum.length > 1) {
  obj.value = arrNum[0]+"."+arrNum[1];
 }
 else {
  obj.value = arrNum[0];
 }
}

// 숫자 증감 처리 ##################################################
function controllNum(obj, mode, isminus) {
 var num = obj.value;
 if (!isminus) isminus = 0;

 num = (num.stripspace() == "") ? 0 : num;
 num = (isNaN(num)) ? 0 : parseInt(num, 10);

 if (mode == '+') ++num;
 else --num;

 if (isminus != 1 && num < 0) num = 0;

 obj.value = num;
}