/*//////////////////////////////////////////////////////////////////////////////
    
    Common JavaScript Util
    
    list
        _ARRAY_         :  배열관련
        _BROWSER_       :  브라우저 버전등
        _CLIPBOARD_     :  클립보드 관련
        _DATE_          :  일자 관련
        _CHECK_         :  실시간 체크 관련
        _INPUT_         :  input객체 관련
        _MATH_          :  수학관련
        _NUMBER_        :  숫자관련
        _STRING_        :  문자 관련
        _TAG_           :  태그 관련
        _VALIDATE_      :  유효성 체크 관련
        _COORDINATE_    :  좌표관련
    
    documentation  :  common_api.txt 
    
    ※ 수정 혹은 추가시 common_api.txt을 수정해 주세요.

//////////////////////////////////////////////////////////////////////////////*/

var _PROPERTIES_ = {
    character_type : "UTF-8" //"EUC-KR"
};

var _ARRAY_ = {
    contains : function(array, value){
        for(var c_array=0 ; c_array < array.length ; c_array++)
            if(array[c_array] == value) 
                return true;
        return false;
    }
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _BROWSER_ = {
    isExplorer : function(){
        return window.navigator.appName.indexOf("Explorer") !=-1
    }
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _CLIPBOARD_ = {
    saveText : function (text) {
        if (_BROWSER_.isExplorer()) {
            window.clipboardData.setData("Text", url);
        }
    }
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _DATE_ = {
    unFormat : function (dstr) {
        dstr = String(dstr);
        return Number(dstr.replace(/\//gi, ""));
    }, 
    
    compareDate : function (src, target) {
        var srcday;
        var targetday;
        if((typeof src) == 'object')
            srcday = this.dateToNumber(src);
        if((typeof target) == 'object')
            targetday = this.dateToNumber(target);
        srcday = this.unFormat(srcday);
        targetday = this.unFormat(targetday);
                        
        if (srcday > targetday) {
            return 1;
        } else {
            if (src < targetday) {
                return -1;
            } else {
                return 0;
            }
        }
    }, 
    
    dateToNumber : function (date) { //formatTime(date)
        var year = date.getFullYear();
        var month = date.getMonth() + 1;
        var day = date.getDate();
        if (("" + month).length == 1) {
            month = "0" + month;
        }
        if (("" + day).length == 1) {
            day = "0" + day;
        }
        return Number("" + year + month + day);
        
    }, 
    
    numberToDate : function (datestr) {
        datestr = this.unFormat(datestr);
        var year = Number(String(datestr).substr(0, 4));    
        var month = Number(String(datestr).substr(4, 2)) - 1;       
        var day = Number(String(datestr).substr(6, 2));
        return new Date(year, month, day);
    }, 
    
    format : function (datestr) {
        if((typeof datestr) == 'object')
            datestr = this.dateToNumber(datestr);
        datestr = this.unFormat(datestr);
        return String(datestr).substring(0, 4) + "/" + String(datestr).substring(4, 6) + "/" + String(datestr).substring(6, 8);
    },
    
    validate : function(dateText)
    {
        dateText = this.unFormat(dateText);
        
        if(String(dateText).length != 8) return false;
        
        var origin = {
            year : Number(String(dateText).substr(0, 4)),
            month : Number(String(dateText).substr(4, 2)) - 1,
            day : Number(String(dateText).substr(6, 2))
        };
    
        var oDate = new Date(origin.year, origin.month, origin.day);
        
        return oDate.getFullYear() == origin.year 
            && oDate.getMonth() == origin.month 
            && oDate.getDate() == origin.day;
    }    
    
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _CHECK_ = {
    restrictQuotationMarks : function (textObj)
    {
        textObj.attachEvent("onblur", function(){
            event.srcElement.value = event.srcElement.value.replace(/[\'\"]/gi,'');
        });
    },
    
    onlyPositiveNumber : function (textObj)
    {
        textObj.style.imeMode = 'disabled';
        textObj.attachEvent("onkeydown", function(){
            var acceptKeyCode = new Array(48,49,50,51,52,53,54,55,56,57,        // 숫자제한
                                  96,97,98,99,100,101,102,103,014,105,          // 숫자제한
                                  8,                                            // 백스페이스
                                  9,                                            // 탭
                                  37,                                           // 좌로
                                  39,                                           // 우로
                                  46                                            // delete
                                  );
            if (_ARRAY_.contains(acceptKeyCode,event.keyCode))
                event.returnValue = true;
            else
                event.returnValue = false;
        });
    },
    
    onlyInteger : function (textObj)
    {
        textObj.style.imeMode = 'disabled';
        textObj.attachEvent("onkeydown", function(){
            var acceptKeyCode = new Array( 48,49,50,51,52,53,54,55,56,57,       // 숫자제한
                                  96,97,98,99,100,101,102,103,014,105,          // 숫자제한
                                  189,                                          // - 부호
                                  109,                                          // - 부호
                                  8,                                            // 백스페이스
                                  9,                                            // 탭
                                  37,                                           // 좌로
                                  39,                                           // 우로
                                  46                                            // delete
                                  );
            if (_ARRAY_.contains(acceptKeyCode,event.keyCode))
                event.returnValue = true;
            else
                event.returnValue = false;
        });
    },
    
    onlyFloat : function (textObj)
    {
        textObj.style.imeMode = 'disabled';
        textObj.attachEvent("onkeydown", function(){
            var acceptKeyCode = new Array( 48,49,50,51,52,53,54,55,56,57,       // 숫자제한
                                  96,97,98,99,100,101,102,103,014,105,          // 숫자제한
                                  189,                                          // - 부호
                                  109,                                          // - 부호
                                  8,                                            // 백스페이스
                                  9,                                            // 탭
                                  37,                                           // 좌로
                                  39,                                           // 우로
                                  46,                                           // delete
                                  110,                                          // .
                                  190                                           // .
                                  );
            if (_ARRAY_.contains(acceptKeyCode,event.keyCode))
                event.returnValue = true;
            else
                event.returnValue = false;
        });
    },
    
    limitBytes : function(textObj,maxBytes)
    {
        textObj.maxbytes = maxBytes;
        textObj.attachEvent("onkeyup", function(){
            srcObj = event.srcElement;
            if(srcObj.tempvalue == null)
                srcObj.tempvalue = "";
            if(_STRING_.getBytes(srcObj.value) > srcObj.maxbytes)
            {
                event.returnValue = false;
                
                if(srcObj.isAlertedLengthRestriction == null){
                    srcObj.isAlertedLengthRestriction = true;
                    alert("길이가 초과 되었습니다.");
                }else{
                    srcObj.blur();
                }
                
                srcObj.value = srcObj.tempvalue;
                srcObj.select();
                var tRange = srcObj.createTextRange();
                tRange.moveStart("Character",srcObj.value.length);
                tRange.select();

            }else
                srcObj.tempvalue = srcObj.value;
        });
    }
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _INPUT_ = {

    getValue : function(inputObj)
    {
        if(inputObj.tagName == null){
            inputObj.tagName = inputObj[0].tagName;
            inputObj.type = inputObj[0].type;
        }
        switch(inputObj.tagName.toUpperCase())
        {
            case 'SELECT' : 
                if(inputObj.multiple){
                    var result = new Array();
                    for(var i=0 ; i < inputObj.options.length ; i++)
                        if(inputObj.options[i].selected == true)
                            result.push(inputObj.options[i].value);
                    return result;
                }else
                    return inputObj.options[inputObj.selectedIndex].value;
            default : 
                switch(inputObj.type.toUpperCase())
                {
                    case 'RADIO' : 
                        if(inputObj.length){
                            for( i=0 ; i < inputObj.length ; i++)           
                                if(inputObj[i].checked == true)
                                    return inputObj[i].value;
                        }else{
                            if(inputObj.checked == true)
                                return inputObj.value;
                        }
                        return null;                            
                    case 'CHECKBOX' : 
                        var result = new Array();
                        if(inputObj.length){
                            for( i=0 ; i < inputObj.length ; i++)           
                                if(inputObj[i].checked == true)
                                    result.push(inputObj[i].value);
                        }else{
                            if(inputObj.checked == true)
                                result.push(inputObj.value);
                        }
                        return result;
                    default : 
                        return inputObj.value;
                }
                break;
        }
    },

    CHECKBOX : {
        checkAll : function(checkBoxObj,state){
            if(checkBoxObj != null) {
                if(checkBoxObj.length){
                    for (c=0;c<checkBoxObj.length;c++)
                        checkBoxObj[c].checked = state
                }
                else{
                    checkBoxObj.checked = state;
                }
            }
        },
        
        isChecked : function(checkBoxObj)
        { 
            var chCount = checkBoxObj.length;
            if(chCount == null ){
                return true;
            } 
            else if (chCount > 1){
                for(i = 0 ; i < chCount ; i++){
                    if(checkBoxObj[i].checked == true)
                        return true;
                }
                return false;
            }
        }
    },
    
    SELECT : {
        pushOption : function(selectObject,text,value){
            for(var i=selectObject.options.length ; i > 0  ; i--)
            {
                var src = selectObject.options[i-1];
                selectObject.options[i] = new Option(src.text, src.value);
            }
            selectObject.options[0] = new Option(text,value); 
        },
        
        stackOption : function(selectObject,text,value){
            selectObject.options[selectObject.options.length] = new Option(text,value); 
        },
        
        selectByValue : function(selectObject,value){
            for(var i=0 ; i < selectObject.options.length ; i++)
            {
                if(selectObject.options[i].value == value){
                    selectObject.selectedIndex = i;
                    break;
                }
            }
        },
        
        selectByText : function(selectObject,text){
            for(var i=0 ; i < selectObject.options.length ; i++)
            {
                if(selectObject.options[i].text == text){
                    selectObject.selectedIndex = i;
                    break;
                }
            }
        },
        
        getText : function(selectObject)
        {
            return selectObject.options[selectObject.selectedIndex].text;
        },
        
        removeByValue  :  function(selectObject,value){
            for(var i=0 ; i < selectObject.options.length ; i++)
            {
                if(selectObject.options[i].value == value){
                    selectObject.options[i] = null;
                    break;
                }
            }
        },
        
        removeAll  :  function(selectObject){
            for(var i=0 ; i < selectObject.options.length ; i++)
            {
                selectObject.options[0] = null;
            }
        },
        
        removeOthers  :  function(selectObject,value){
            var option = null;
            for(var i=0 ; i < selectObject.options.length ; i++)
            {
                if(selectObject.options[i].value == value){
                    option = selectObject.options[i];
                    break;
                }
            }
            selectObject.options.length = 1;
            selectObject.options[0] = option;
        } 
    }
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _MATH_ = {
    round : function(num,size){
        num = Number(num);
        return Math.round( num * Math.pow(10,size)) / Math.pow(10,size);
    }
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _NUMBER_ = {

    insertComma : function (num){
        num = this.removeComma(num);
        var postfloat= "";
        var strnum = String(num);
        var idxComma = strnum.indexOf(".");
        if(idxComma > -1){
            postfloat = "." + strnum.substring(idxComma).replace(/[.]/gi, "");
            strnum = strnum.substring(0,idxComma);
        }
        if(isNaN(strnum)) return strnum + postfloat;
        if(strnum.length > 3)
            return this.insertComma(strnum.substring(0,strnum.length-3))+","+strnum.substr(strnum.length-3,3)+postfloat;
        else
            return strnum + postfloat;
    },
    
    removeComma : function(str)
    {
        var number = str.replace(/[,]/gi, "");
        return isNaN(number) ? number  :  number;
    }
        
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _STRING_ = {
    getBytes : function (text) {
        switch(_PROPERTIES_.character_type){
            case "UTF-8" : 
                return _STRING_.getUTF8Bytes(text);
            break;
            case "EUC-KR" : 
                return _STRING_.getEUCKRBytes(text);
            break;
        }
    },
    
    getEUCKRBytes  :  function (text) {
        var str = new String(text);
        var len = str.length;
        var count = 0;
        for (k = 0; k < len; k++) {
            temp = str.charAt(k);
            if (escape(temp).length > 4) {
                count += 2;
            } else {
                if (temp == "\r" && str.charAt(k + 1) == "\n") { // rn일 경우
                    count += 2;
                } else {
                    if (temp != "\n") {
                        count++;
                    } else {
                        count++;
                    }
                }
            }
        }
        return count;
    },
    
    getUTF8Bytes  :  function (str) {
        if (str == null || str.length == 0) {
            return 0;
        }
        var size = 0;
        for (var i = 0; i < str.length; i++) {
            size += _STRING_.getUTF8CharByteSize(str.charAt(i));
        }
        return size;
    },
    
    getUTF8CharByteSize  :  function(ch) {
        if (ch == null || ch.length == 0) {
          return 0;
        }
        var charCode = ch.charCodeAt(0);
        if (charCode <= 0x00007F) {
            return 1;
        } else if (charCode <= 0x0007FF) {
            return 2;
        } else if (charCode <= 0x00FFFF) {
            return 3;
        } else {
            return 4;
        }
    },
    
    substrb : function(text, startIdx, length) {
        var addNum;
        var count = 0;
        var strChar;
        var result = "";
        var cutLength = 0;
        for (i = 0; i < text.length; i++) {
            strChar = text.charAt(i);
            if (escape(strChar).length > 4) {
                addNum = 2;
            } else {
                addNum = 1;
            }
            count += addNum;
            if (length != null) {
                if (count >= startIdx && cutLength <= length) {
                    cutLength += addNum;
                }
                if (count >= startIdx && cutLength <= length) {
                    result += text.charAt(i);
                }
            } else {
                if (count >= startIdx) {
                    result += text.charAt(i);
                }
            }
        }
        return result;
    },
    
    ltrim : function (text){
        text = String(text);
        if(text == null) return null;
        if(text.substr(0,1) == " ") 
            return this.ltrim(text.substring(1));
        else
            return text;
    },
    
    rtrim : function (text){
        text = String(text);
        if(text == null) return null;
        if(text.substr(text.length-1,1) == " ") 
            return this.rtrim(text.substring(0,text.length-1));
        else
            return text;
    },
    
    trim : function(text){
        return text.replace(/ /gi, "");
    }
    
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _TAG_ = {
    stripHTMLtag : function(string) {
        return string.replace(/[<][^>]*[>]/gi, "");
   }
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _VALIDATE_ = {
    isTelNumber : function(telnumber){
     var isNum = /^[0-9-]+$/;
     if( !isNum.test(telnumber) )
          return false; 
     else
         return true;
    },
    
    isEmail : function(email)
    {
        if(email == '')
            return true;

        if(email.search(/^\s*[\w\~\-\.]+\@[\w\~\-]+(\.[\w\~\-]+)+\s*$/g)>=0)
            return true;
        else
            return false;
    },
    
    isNumber : function(numberText){
        var ret;
        for (var i = 0; i < numberText.length; i++) {
            ret = numberText.charCodeAt(i);
                if (!((ret > 47) && (ret < 58))) {
                    return false;
                }
        }
        return true;
    },
    
    isBlank : function(text){
        return text.replace(/ /ig,"") == "";
    },
    
    isSSN : function(frontNumber, backNumer) {
        var Num   = '0123456789';
        var resiFirst = String(frontNumber);
        var resiLast = String(backNumer);

        var chk = 0;
        var nYear   = resiFirst.substring(0,2);
        var nMondth = resiFirst.substring(2,4);
        var nDay    = resiFirst.substring(4,6);
        var nSex    = resiLast.charAt(0);

        for (i=0; i<resiFirst.length; i++) {
                if(Num.indexOf(resiFirst.substring(i,i+1))<0) {
                alert('주민등록번호 앞부분에 잘못된 문자가 있습니다');
                objectName1.focus();
                objectName1.select();
                return false;
            }
        }
        for (i=0; i<resiLast.length; i++) {
                if(Num.indexOf(resiLast.substring(i,i+1))<0) {
                alert('주민등록번호 뒷부분에 잘못된 문자가 있습니다');
                objectName2.focus();
                objectName2.select();
                return false;
            }
        }   
        
        if ( resiFirst.length!=6 ||  nMondth<1 || nMondth>12 || nDay<1 || nDay>31) {
            alert('주민등록번호 앞부분에 잘못되었습니다');
            objectName1.focus();
            objectName1.select();
            return false;
        }
        
        if ( resiLast.length!=7 || (nSex!=1 && nSex!=2 && nSex!=3 && nSex!=4) ) {
            alert('주민등록번호 뒷부분에 잘못되었습니다');
            objectName2.focus();
            objectName2.select();
            return false;
        }
        
        var i;
        for (i=0; i<6; i++) {
            chk += ( (i+2) * parseInt( resiFirst.charAt(i) ));
        }
        
        for (i=6; i<12; i++) {
            chk += ( (i%8+2) * parseInt( resiLast.charAt(i-6) ));
        }
        
        chk = 11 - (chk%11);
        chk %= 10;
        
        if (chk != parseInt( resiLast.charAt(6))) {
            alert('유효하지않은 주민등록번호입니다!!');
            objectName1.focus();        
            return false;
        }
        return true;
    },
    
    isBusinessLicenceNo : function( code )
    {
        var  code;
        var  i, sum, num , ret;
        var  inx = "13713713";
 
        if(code.length != 10) 
            return false;
 
        sum = 0;
        for(i=0; i<8; i++)
        {
            sum += parseInt(code.charAt(i)) * parseInt(inx.charAt(i));
        }
 
        num = parseInt(code.charAt(8)) * 5;
 
        sum += parseInt((num/10)) + (num%10);
 
        sum = 10 - (sum % 10);

        if( parseInt(code.charAt(9)) == sum )
            return true;
        else
            return false;
    }
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _COORDINATE_ = {

    getOffsetLeft : function (obj) {
        var retval = document.body.clientLeft;
        retval += -obj.offsetLeft;
        while (obj) {
            retval += obj.offsetLeft;
            obj = obj.offsetParent;
        }
        return retval;
    },
    
    getOffsetTop : function (obj) {
        var retval = document.body.clientTop;
        retval += -obj.offsetTop;
        while (obj) {
            retval += obj.offsetTop;
            obj = obj.offsetParent;
        }
        return retval ;
    }
};

/*//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////*/

var _COOKIE_ = {
    
    setCookie : function (name, value){
        document.cookie = name + '=' + escape( value ) + '; path=/; ';
    },
    
    getCookie : function (name){
        var nameOfCookie = name + "=";
        var x = 0;
        var cookies = document.cookie.split(" ");
        for(var i=0 ; i < cookies.length ; i++){
            if(cookies[i].indexOf(name) < 0) continue;
            var nameNvalue = cookies[i].split("=");
            if(nameNvalue[0] == name)
                return unescape(nameNvalue[1]);
        }
        return "";
    }
}