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Filename : jquery.inputmask.js
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/**
* @license Input Mask plugin for jquery
* http://github.com/RobinHerbots/jquery.inputmask
* Copyright (c) 2010 - 2014 Robin Herbots
* Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php)
* Version: 0.0.0
*/

(function ($) {
    if ($.fn.inputmask === undefined) {
        //helper functions    
        function isInputEventSupported(eventName) {
            var el = document.createElement('input'),
            eventName = 'on' + eventName,
            isSupported = (eventName in el);
            if (!isSupported) {
                el.setAttribute(eventName, 'return;');
                isSupported = typeof el[eventName] == 'function';
            }
            el = null;
            return isSupported;
        }
        function resolveAlias(aliasStr, options, opts) {
            var aliasDefinition = opts.aliases[aliasStr];
            if (aliasDefinition) {
                if (aliasDefinition.alias) resolveAlias(aliasDefinition.alias, undefined, opts); //alias is another alias
                $.extend(true, opts, aliasDefinition);  //merge alias definition in the options
                $.extend(true, opts, options);  //reapply extra given options
                return true;
            }
            return false;
        }
        function generateMaskSets(opts) {
            var ms = [];
            var genmasks = []; //used to keep track of the masks that where processed, to avoid duplicates
            function getMaskTemplate(mask) {
                if (opts.numericInput) {
                    mask = mask.split('').reverse().join('');
                }
                var escaped = false, outCount = 0, greedy = opts.greedy, repeat = opts.repeat;
                if (repeat == "*") greedy = false;
                //if (greedy == true && opts.placeholder == "") opts.placeholder = " ";
                if (mask.length == 1 && greedy == false && repeat != 0) { opts.placeholder = ""; } //hide placeholder with single non-greedy mask
                var singleMask = $.map(mask.split(""), function (element, index) {
                    var outElem = [];
                    if (element == opts.escapeChar) {
                        escaped = true;
                    }
                    else if ((element != opts.optionalmarker.start && element != opts.optionalmarker.end) || escaped) {
                        var maskdef = opts.definitions[element];
                        if (maskdef && !escaped) {
                            for (var i = 0; i < maskdef.cardinality; i++) {
                                outElem.push(opts.placeholder.charAt((outCount + i) % opts.placeholder.length));
                            }
                        } else {
                            outElem.push(element);
                            escaped = false;
                        }
                        outCount += outElem.length;
                        return outElem;
                    }
                });

                //allocate repetitions
                var repeatedMask = singleMask.slice();
                for (var i = 1; i < repeat && greedy; i++) {
                    repeatedMask = repeatedMask.concat(singleMask.slice());
                }

                return { "mask": repeatedMask, "repeat": repeat, "greedy": greedy };
            }
            //test definition => {fn: RegExp/function, cardinality: int, optionality: bool, newBlockMarker: bool, offset: int, casing: null/upper/lower, def: definitionSymbol}
            function getTestingChain(mask) {
                if (opts.numericInput) {
                    mask = mask.split('').reverse().join('');
                }
                var isOptional = false, escaped = false;
                var newBlockMarker = false; //indicates wheter the begin/ending of a block should be indicated

                return $.map(mask.split(""), function (element, index) {
                    var outElem = [];

                    if (element == opts.escapeChar) {
                        escaped = true;
                    } else if (element == opts.optionalmarker.start && !escaped) {
                        isOptional = true;
                        newBlockMarker = true;
                    }
                    else if (element == opts.optionalmarker.end && !escaped) {
                        isOptional = false;
                        newBlockMarker = true;
                    }
                    else {
                        var maskdef = opts.definitions[element];
                        if (maskdef && !escaped) {
                            var prevalidators = maskdef["prevalidator"], prevalidatorsL = prevalidators ? prevalidators.length : 0;
                            for (var i = 1; i < maskdef.cardinality; i++) {
                                var prevalidator = prevalidatorsL >= i ? prevalidators[i - 1] : [], validator = prevalidator["validator"], cardinality = prevalidator["cardinality"];
                                outElem.push({ fn: validator ? typeof validator == 'string' ? new RegExp(validator) : new function () { this.test = validator; } : new RegExp("."), cardinality: cardinality ? cardinality : 1, optionality: isOptional, newBlockMarker: isOptional == true ? newBlockMarker : false, offset: 0, casing: maskdef["casing"], def: maskdef["definitionSymbol"] || element });
                                if (isOptional == true) //reset newBlockMarker
                                    newBlockMarker = false;
                            }
                            outElem.push({ fn: maskdef.validator ? typeof maskdef.validator == 'string' ? new RegExp(maskdef.validator) : new function () { this.test = maskdef.validator; } : new RegExp("."), cardinality: maskdef.cardinality, optionality: isOptional, newBlockMarker: newBlockMarker, offset: 0, casing: maskdef["casing"], def: maskdef["definitionSymbol"] || element });
                        } else {
                            outElem.push({ fn: null, cardinality: 0, optionality: isOptional, newBlockMarker: newBlockMarker, offset: 0, casing: null, def: element });
                            escaped = false;
                        }
                        //reset newBlockMarker
                        newBlockMarker = false;
                        return outElem;
                    }
                });
            }
            function markOptional(maskPart) { //needed for the clearOptionalTail functionality
                return opts.optionalmarker.start + maskPart + opts.optionalmarker.end;
            }
            function splitFirstOptionalEndPart(maskPart) {
                var optionalStartMarkers = 0, optionalEndMarkers = 0, mpl = maskPart.length;
                for (var i = 0; i < mpl; i++) {
                    if (maskPart.charAt(i) == opts.optionalmarker.start) {
                        optionalStartMarkers++;
                    }
                    if (maskPart.charAt(i) == opts.optionalmarker.end) {
                        optionalEndMarkers++;
                    }
                    if (optionalStartMarkers > 0 && optionalStartMarkers == optionalEndMarkers)
                        break;
                }
                var maskParts = [maskPart.substring(0, i)];
                if (i < mpl) {
                    maskParts.push(maskPart.substring(i + 1, mpl));
                }
                return maskParts;
            }
            function splitFirstOptionalStartPart(maskPart) {
                var mpl = maskPart.length;
                for (var i = 0; i < mpl; i++) {
                    if (maskPart.charAt(i) == opts.optionalmarker.start) {
                        break;
                    }
                }
                var maskParts = [maskPart.substring(0, i)];
                if (i < mpl) {
                    maskParts.push(maskPart.substring(i + 1, mpl));
                }
                return maskParts;
            }
            function generateMask(maskPrefix, maskPart, metadata) {
                var maskParts = splitFirstOptionalEndPart(maskPart);
                var newMask, maskTemplate;

                var masks = splitFirstOptionalStartPart(maskParts[0]);
                if (masks.length > 1) {
                    newMask = maskPrefix + masks[0] + markOptional(masks[1]) + (maskParts.length > 1 ? maskParts[1] : "");
                    if ($.inArray(newMask, genmasks) == -1 && newMask != "") {
                        genmasks.push(newMask);
                        maskTemplate = getMaskTemplate(newMask);
                        ms.push({
                            "mask": newMask,
                            "_buffer": maskTemplate["mask"],
                            "buffer": maskTemplate["mask"].slice(),
                            "tests": getTestingChain(newMask),
                            "lastValidPosition": -1,
                            "greedy": maskTemplate["greedy"],
                            "repeat": maskTemplate["repeat"],
                            "metadata": metadata
                        });
                    }
                    newMask = maskPrefix + masks[0] + (maskParts.length > 1 ? maskParts[1] : "");
                    if ($.inArray(newMask, genmasks) == -1 && newMask != "") {
                        genmasks.push(newMask);
                        maskTemplate = getMaskTemplate(newMask);
                        ms.push({
                            "mask": newMask,
                            "_buffer": maskTemplate["mask"],
                            "buffer": maskTemplate["mask"].slice(),
                            "tests": getTestingChain(newMask),
                            "lastValidPosition": -1,
                            "greedy": maskTemplate["greedy"],
                            "repeat": maskTemplate["repeat"],
                            "metadata": metadata
                        });
                    }
                    if (splitFirstOptionalStartPart(masks[1]).length > 1) { //optional contains another optional
                        generateMask(maskPrefix + masks[0], masks[1] + maskParts[1], metadata);
                    }
                    if (maskParts.length > 1 && splitFirstOptionalStartPart(maskParts[1]).length > 1) {
                        generateMask(maskPrefix + masks[0] + markOptional(masks[1]), maskParts[1], metadata);
                        generateMask(maskPrefix + masks[0], maskParts[1], metadata);
                    }
                }
                else {
                    newMask = maskPrefix + maskParts;
                    if ($.inArray(newMask, genmasks) == -1 && newMask != "") {
                        genmasks.push(newMask);
                        maskTemplate = getMaskTemplate(newMask);
                        ms.push({
                            "mask": newMask,
                            "_buffer": maskTemplate["mask"],
                            "buffer": maskTemplate["mask"].slice(),
                            "tests": getTestingChain(newMask),
                            "lastValidPosition": -1,
                            "greedy": maskTemplate["greedy"],
                            "repeat": maskTemplate["repeat"],
                            "metadata": metadata
                        });
                    }
                }

            }

            if ($.isFunction(opts.mask)) { //allow mask to be a preprocessing fn - should return a valid mask
                opts.mask = opts.mask.call(this, opts);
            }
            if ($.isArray(opts.mask)) {
                $.each(opts.mask, function (ndx, msk) {
                    if (msk["mask"] != undefined) {
                        generateMask("", msk["mask"].toString(), msk);
                    } else
                        generateMask("", msk.toString());
                });
            } else generateMask("", opts.mask.toString());

            return opts.greedy ? ms : ms.sort(function (a, b) { return a["mask"].length - b["mask"].length; });
        }

        var msie10 = navigator.userAgent.match(new RegExp("msie 10", "i")) !== null,
            iphone = navigator.userAgent.match(new RegExp("iphone", "i")) !== null,
            android = navigator.userAgent.match(new RegExp("android.*safari.*", "i")) !== null,
            androidchrome = navigator.userAgent.match(new RegExp("android.*chrome.*", "i")) !== null,
            pasteEvent = isInputEventSupported('paste') ? 'paste' : isInputEventSupported('input') ? 'input' : "propertychange";


        //masking scope
        //actionObj definition see below
        function maskScope(masksets, activeMasksetIndex, opts, actionObj) {
            var isRTL = false,
                valueOnFocus = getActiveBuffer().join(''),
                $el, chromeValueOnInput,
                skipKeyPressEvent = false, //Safari 5.1.x - modal dialog fires keypress twice workaround
                skipInputEvent = false, //skip when triggered from within inputmask
                ignorable = false;


            //maskset helperfunctions

            function getActiveMaskSet() {
                return masksets[activeMasksetIndex];
            }

            function getActiveTests() {
                return getActiveMaskSet()['tests'];
            }

            function getActiveBufferTemplate() {
                return getActiveMaskSet()['_buffer'];
            }

            function getActiveBuffer() {
                return getActiveMaskSet()['buffer'];
            }

            function isValid(pos, c, strict) { //strict true ~ no correction or autofill
                strict = strict === true; //always set a value to strict to prevent possible strange behavior in the extensions 

                function _isValid(position, activeMaskset, c, strict) {
                    var testPos = determineTestPosition(position), loopend = c ? 1 : 0, chrs = '', buffer = activeMaskset["buffer"];
                    for (var i = activeMaskset['tests'][testPos].cardinality; i > loopend; i--) {
                        chrs += getBufferElement(buffer, testPos - (i - 1));
                    }

                    if (c) {
                        chrs += c;
                    }

                    //return is false or a json object => { pos: ??, c: ??} or true
                    return activeMaskset['tests'][testPos].fn != null ?
                        activeMaskset['tests'][testPos].fn.test(chrs, buffer, position, strict, opts)
                        : (c == getBufferElement(activeMaskset['_buffer'], position, true) || c == opts.skipOptionalPartCharacter) ?
                            { "refresh": true, c: getBufferElement(activeMaskset['_buffer'], position, true), pos: position }
                            : false;
                }

                function PostProcessResults(maskForwards, results) {
                    var hasValidActual = false;
                    $.each(results, function (ndx, rslt) {
                        hasValidActual = $.inArray(rslt["activeMasksetIndex"], maskForwards) == -1 && rslt["result"] !== false;
                        if (hasValidActual) return false;
                    });
                    if (hasValidActual) { //strip maskforwards
                        results = $.map(results, function (rslt, ndx) {
                            if ($.inArray(rslt["activeMasksetIndex"], maskForwards) == -1) {
                                return rslt;
                            } else {
                                masksets[rslt["activeMasksetIndex"]]["lastValidPosition"] = actualLVP;
                            }
                        });
                    } else { //keep maskforwards with the least forward
                        var lowestPos = -1, lowestIndex = -1, rsltValid;
                        $.each(results, function (ndx, rslt) {
                            if ($.inArray(rslt["activeMasksetIndex"], maskForwards) != -1 && rslt["result"] !== false & (lowestPos == -1 || lowestPos > rslt["result"]["pos"])) {
                                lowestPos = rslt["result"]["pos"];
                                lowestIndex = rslt["activeMasksetIndex"];
                            }
                        });
                        results = $.map(results, function (rslt, ndx) {
                            if ($.inArray(rslt["activeMasksetIndex"], maskForwards) != -1) {
                                if (rslt["result"]["pos"] == lowestPos) {
                                    return rslt;
                                } else if (rslt["result"] !== false) {
                                    for (var i = pos; i < lowestPos; i++) {
                                        rsltValid = _isValid(i, masksets[rslt["activeMasksetIndex"]], masksets[lowestIndex]["buffer"][i], true);
                                        if (rsltValid === false) {
                                            masksets[rslt["activeMasksetIndex"]]["lastValidPosition"] = lowestPos - 1;
                                            break;
                                        } else {
                                            setBufferElement(masksets[rslt["activeMasksetIndex"]]["buffer"], i, masksets[lowestIndex]["buffer"][i], true);
                                            masksets[rslt["activeMasksetIndex"]]["lastValidPosition"] = i;
                                        }
                                    }
                                    //also check check for the lowestpos with the new input
                                    rsltValid = _isValid(lowestPos, masksets[rslt["activeMasksetIndex"]], c, true);
                                    if (rsltValid !== false) {
                                        setBufferElement(masksets[rslt["activeMasksetIndex"]]["buffer"], lowestPos, c, true);
                                        masksets[rslt["activeMasksetIndex"]]["lastValidPosition"] = lowestPos;
                                    }
                                    //console.log("ndx " + rslt["activeMasksetIndex"] + " validate " + masksets[rslt["activeMasksetIndex"]]["buffer"].join('') + " lv " + masksets[rslt["activeMasksetIndex"]]['lastValidPosition']);
                                    return rslt;
                                }
                            }
                        });
                    }
                    return results;
                }

                if (strict) {
                    var result = _isValid(pos, getActiveMaskSet(), c, strict); //only check validity in current mask when validating strict
                    if (result === true) {
                        result = { "pos": pos }; //always take a possible corrected maskposition into account
                    }
                    return result;
                }

                var results = [], result = false, currentActiveMasksetIndex = activeMasksetIndex,
                    actualBuffer = getActiveBuffer().slice(), actualLVP = getActiveMaskSet()["lastValidPosition"],
                    actualPrevious = seekPrevious(pos),
                    maskForwards = [];
                $.each(masksets, function (index, value) {
                    if (typeof (value) == "object") {
                        activeMasksetIndex = index;

                        var maskPos = pos;
                        var lvp = getActiveMaskSet()['lastValidPosition'],
                            rsltValid;
                        if (lvp == actualLVP) {
                            if ((maskPos - actualLVP) > 1) {
                                for (var i = lvp == -1 ? 0 : lvp; i < maskPos; i++) {
                                    rsltValid = _isValid(i, getActiveMaskSet(), actualBuffer[i], true);
                                    if (rsltValid === false) {
                                        break;
                                    } else {
                                        setBufferElement(getActiveBuffer(), i, actualBuffer[i], true);
                                        if (rsltValid === true) {
                                            rsltValid = { "pos": i }; //always take a possible corrected maskposition into account
                                        }
                                        var newValidPosition = rsltValid.pos || i;
                                        if (getActiveMaskSet()['lastValidPosition'] < newValidPosition)
                                            getActiveMaskSet()['lastValidPosition'] = newValidPosition; //set new position from isValid
                                    }
                                }
                            }
                            //does the input match on a further position?
                            if (!isMask(maskPos) && !_isValid(maskPos, getActiveMaskSet(), c, strict)) {
                                var maxForward = seekNext(maskPos) - maskPos;
                                for (var fw = 0; fw < maxForward; fw++) {
                                    if (_isValid(++maskPos, getActiveMaskSet(), c, strict) !== false)
                                        break;
                                }
                                maskForwards.push(activeMasksetIndex);
                                //console.log('maskforward ' + activeMasksetIndex + " pos " + pos + " maskPos " + maskPos);
                            }
                        }

                        if (getActiveMaskSet()['lastValidPosition'] >= actualLVP || activeMasksetIndex == currentActiveMasksetIndex) {
                            if (maskPos >= 0 && maskPos < getMaskLength()) {
                                result = _isValid(maskPos, getActiveMaskSet(), c, strict);
                                if (result !== false) {
                                    if (result === true) {
                                        result = { "pos": maskPos }; //always take a possible corrected maskposition into account
                                    }
                                    var newValidPosition = result.pos || maskPos;
                                    if (getActiveMaskSet()['lastValidPosition'] < newValidPosition)
                                        getActiveMaskSet()['lastValidPosition'] = newValidPosition; //set new position from isValid
                                }
                                //console.log("pos " + pos + " ndx " + activeMasksetIndex + " validate " + getActiveBuffer().join('') + " lv " + getActiveMaskSet()['lastValidPosition']);
                                results.push({ "activeMasksetIndex": index, "result": result });
                            }
                        }
                    }
                });
                activeMasksetIndex = currentActiveMasksetIndex; //reset activeMasksetIndex

                return PostProcessResults(maskForwards, results); //return results of the multiple mask validations
            }

            function determineActiveMasksetIndex() {
                var currentMasksetIndex = activeMasksetIndex,
                    highestValid = { "activeMasksetIndex": 0, "lastValidPosition": -1, "next": -1 };
                $.each(masksets, function (index, value) {
                    if (typeof (value) == "object") {
                        activeMasksetIndex = index;
                        if (getActiveMaskSet()['lastValidPosition'] > highestValid['lastValidPosition']) {
                            highestValid["activeMasksetIndex"] = index;
                            highestValid["lastValidPosition"] = getActiveMaskSet()['lastValidPosition'];
                            highestValid["next"] = seekNext(getActiveMaskSet()['lastValidPosition']);
                        } else if (getActiveMaskSet()['lastValidPosition'] == highestValid['lastValidPosition'] &&
                            (highestValid['next'] == -1 || highestValid['next'] > seekNext(getActiveMaskSet()['lastValidPosition']))) {
                            highestValid["activeMasksetIndex"] = index;
                            highestValid["lastValidPosition"] = getActiveMaskSet()['lastValidPosition'];
                            highestValid["next"] = seekNext(getActiveMaskSet()['lastValidPosition']);
                        }
                    }
                });

                activeMasksetIndex = highestValid["lastValidPosition"] != -1 && masksets[currentMasksetIndex]["lastValidPosition"] == highestValid["lastValidPosition"] ? currentMasksetIndex : highestValid["activeMasksetIndex"];
                if (currentMasksetIndex != activeMasksetIndex) {
                    clearBuffer(getActiveBuffer(), seekNext(highestValid["lastValidPosition"]), getMaskLength());
                    getActiveMaskSet()["writeOutBuffer"] = true;
                }
                $el.data('_inputmask')['activeMasksetIndex'] = activeMasksetIndex; //store the activeMasksetIndex
            }

            function isMask(pos) {
                var testPos = determineTestPosition(pos);
                var test = getActiveTests()[testPos];

                return test != undefined ? test.fn : false;
            }

            function determineTestPosition(pos) {
                return pos % getActiveTests().length;
            }

            function getMaskLength() {
                return opts.getMaskLength(getActiveBufferTemplate(), getActiveMaskSet()['greedy'], getActiveMaskSet()['repeat'], getActiveBuffer(), opts);
            }

            //pos: from position

            function seekNext(pos) {
                var maskL = getMaskLength();
                if (pos >= maskL) return maskL;
                var position = pos;
                while (++position < maskL && !isMask(position)) {
                }
                return position;
            }

            //pos: from position

            function seekPrevious(pos) {
                var position = pos;
                if (position <= 0) return 0;

                while (--position > 0 && !isMask(position)) {
                }
                return position;
            }

            function setBufferElement(buffer, position, element, autoPrepare) {
                if (autoPrepare) position = prepareBuffer(buffer, position);

                var test = getActiveTests()[determineTestPosition(position)];
                var elem = element;
                if (elem != undefined && test != undefined) {
                    switch (test.casing) {
                        case "upper":
                            elem = element.toUpperCase();
                            break;
                        case "lower":
                            elem = element.toLowerCase();
                            break;
                    }
                }

                buffer[position] = elem;
            }

            function getBufferElement(buffer, position, autoPrepare) {
                if (autoPrepare) position = prepareBuffer(buffer, position);
                return buffer[position];
            }

            //needed to handle the non-greedy mask repetitions

            function prepareBuffer(buffer, position) {
                var j;
                while (buffer[position] == undefined && buffer.length < getMaskLength()) {
                    j = 0;
                    while (getActiveBufferTemplate()[j] !== undefined) { //add a new buffer
                        buffer.push(getActiveBufferTemplate()[j++]);
                    }
                }

                return position;
            }

            function writeBuffer(input, buffer, caretPos) {
                input._valueSet(buffer.join(''));
                if (caretPos != undefined) {
                    caret(input, caretPos);
                }
            }

            function clearBuffer(buffer, start, end, stripNomasks) {
                for (var i = start, maskL = getMaskLength() ; i < end && i < maskL; i++) {
                    if (stripNomasks === true) {
                        if (!isMask(i))
                            setBufferElement(buffer, i, "");
                    } else
                        setBufferElement(buffer, i, getBufferElement(getActiveBufferTemplate().slice(), i, true));
                }
            }

            function setReTargetPlaceHolder(buffer, pos) {
                var testPos = determineTestPosition(pos);
                setBufferElement(buffer, pos, getBufferElement(getActiveBufferTemplate(), testPos));
            }

            function getPlaceHolder(pos) {
                return opts.placeholder.charAt(pos % opts.placeholder.length);
            }

            function checkVal(input, writeOut, strict, nptvl, intelliCheck) {
                var inputValue = nptvl != undefined ? nptvl.slice() : truncateInput(input._valueGet()).split('');

                $.each(masksets, function (ndx, ms) {
                    if (typeof (ms) == "object") {
                        ms["buffer"] = ms["_buffer"].slice();
                        ms["lastValidPosition"] = -1;
                        ms["p"] = -1;
                    }
                });
                if (strict !== true) activeMasksetIndex = 0;
                if (writeOut) input._valueSet(""); //initial clear
                var ml = getMaskLength();
                $.each(inputValue, function (ndx, charCode) {
                    if (intelliCheck === true) {
                        var p = getActiveMaskSet()["p"], lvp = p == -1 ? p : seekPrevious(p),
                            pos = lvp == -1 ? ndx : seekNext(lvp);
                        if ($.inArray(charCode, getActiveBufferTemplate().slice(lvp + 1, pos)) == -1) {
                            keypressEvent.call(input, undefined, true, charCode.charCodeAt(0), writeOut, strict, ndx);
                        }
                    } else {
                        keypressEvent.call(input, undefined, true, charCode.charCodeAt(0), writeOut, strict, ndx);
                    }
                });

                if (strict === true && getActiveMaskSet()["p"] != -1) {
                    getActiveMaskSet()["lastValidPosition"] = seekPrevious(getActiveMaskSet()["p"]);
                }
            }

            function escapeRegex(str) {
                return $.inputmask.escapeRegex.call(this, str);
            }

            function truncateInput(inputValue) {
                return inputValue.replace(new RegExp("(" + escapeRegex(getActiveBufferTemplate().join('')) + ")*$"), "");
            }

            function clearOptionalTail(input) {
                var buffer = getActiveBuffer(), tmpBuffer = buffer.slice(), testPos, pos;
                for (var pos = tmpBuffer.length - 1; pos >= 0; pos--) {
                    var testPos = determineTestPosition(pos);
                    if (getActiveTests()[testPos].optionality) {
                        if (!isMask(pos) || !isValid(pos, buffer[pos], true))
                            tmpBuffer.pop();
                        else break;
                    } else break;
                }
                writeBuffer(input, tmpBuffer);
            }

            function unmaskedvalue($input, skipDatepickerCheck) {
                if (getActiveTests() && (skipDatepickerCheck === true || !$input.hasClass('hasDatepicker'))) {
                    //checkVal(input, false, true);
                    var umValue = $.map(getActiveBuffer(), function (element, index) {
                        return isMask(index) && isValid(index, element, true) ? element : null;
                    });
                    var unmaskedValue = (isRTL ? umValue.reverse() : umValue).join('');
                    return opts.onUnMask != undefined ? opts.onUnMask.call(this, getActiveBuffer().join(''), unmaskedValue) : unmaskedValue;
                } else {
                    return $input[0]._valueGet();
                }
            }

            function TranslatePosition(pos) {
                if (isRTL && typeof pos == 'number' && (!opts.greedy || opts.placeholder != "")) {
                    var bffrLght = getActiveBuffer().length;
                    pos = bffrLght - pos;
                }
                return pos;
            }

            function caret(input, begin, end) {
                var npt = input.jquery && input.length > 0 ? input[0] : input, range;
                if (typeof begin == 'number') {
                    begin = TranslatePosition(begin);
                    end = TranslatePosition(end);
                    if (!$(input).is(':visible')) {
                        return;
                    }
                    end = (typeof end == 'number') ? end : begin;
                    npt.scrollLeft = npt.scrollWidth;
                    if (opts.insertMode == false && begin == end) end++; //set visualization for insert/overwrite mode
                    if (npt.setSelectionRange) {
                        npt.selectionStart = begin;
                        npt.selectionEnd = android ? begin : end;

                    } else if (npt.createTextRange) {
                        range = npt.createTextRange();
                        range.collapse(true);
                        range.moveEnd('character', end);
                        range.moveStart('character', begin);
                        range.select();
                    }
                } else {
                    if (!$(input).is(':visible')) {
                        return { "begin": 0, "end": 0 };
                    }
                    if (npt.setSelectionRange) {
                        begin = npt.selectionStart;
                        end = npt.selectionEnd;
                    } else if (document.selection && document.selection.createRange) {
                        range = document.selection.createRange();
                        begin = 0 - range.duplicate().moveStart('character', -100000);
                        end = begin + range.text.length;
                    }
                    begin = TranslatePosition(begin);
                    end = TranslatePosition(end);
                    return { "begin": begin, "end": end };
                }
            }

            function isComplete(buffer) { //return true / false / undefined (repeat *)
                if (opts.repeat == "*") return undefined;
                var complete = false, highestValidPosition = 0, currentActiveMasksetIndex = activeMasksetIndex;
                $.each(masksets, function (ndx, ms) {
                    if (typeof (ms) == "object") {
                        activeMasksetIndex = ndx;
                        var aml = seekPrevious(getMaskLength());
                        if (ms["lastValidPosition"] >= highestValidPosition && ms["lastValidPosition"] == aml) {
                            var msComplete = true;
                            for (var i = 0; i <= aml; i++) {
                                var mask = isMask(i), testPos = determineTestPosition(i);
                                if ((mask && (buffer[i] == undefined || buffer[i] == getPlaceHolder(i))) || (!mask && buffer[i] != getActiveBufferTemplate()[testPos])) {
                                    msComplete = false;
                                    break;
                                }
                            }
                            complete = complete || msComplete;
                            if (complete) //break loop
                                return false;
                        }
                        highestValidPosition = ms["lastValidPosition"];
                    }
                });
                activeMasksetIndex = currentActiveMasksetIndex; //reset activeMaskset
                return complete;
            }

            function isSelection(begin, end) {
                return isRTL ? (begin - end) > 1 || ((begin - end) == 1 && opts.insertMode) :
                    (end - begin) > 1 || ((end - begin) == 1 && opts.insertMode);
            }


            //private functions
            function installEventRuler(npt) {
                var events = $._data(npt).events;

                $.each(events, function (eventType, eventHandlers) {
                    $.each(eventHandlers, function (ndx, eventHandler) {
                        if (eventHandler.namespace == "inputmask") {
                            if (eventHandler.type != "setvalue") {
                                var handler = eventHandler.handler;
                                eventHandler.handler = function (e) {
                                    if (this.readOnly || this.disabled)
                                        e.preventDefault;
                                    else
                                        return handler.apply(this, arguments);
                                };
                            }
                        }
                    });
                });
            }

            function patchValueProperty(npt) {
                var valueProperty;
                if (Object.getOwnPropertyDescriptor)
                    valueProperty = Object.getOwnPropertyDescriptor(npt, "value");
                if (valueProperty && valueProperty.get) {
                    if (!npt._valueGet) {
                        var valueGet = valueProperty.get;
                        var valueSet = valueProperty.set;
                        npt._valueGet = function () {
                            return isRTL ? valueGet.call(this).split('').reverse().join('') : valueGet.call(this);
                        };
                        npt._valueSet = function (value) {
                            valueSet.call(this, isRTL ? value.split('').reverse().join('') : value);
                        };

                        Object.defineProperty(npt, "value", {
                            get: function () {
                                var $self = $(this), inputData = $(this).data('_inputmask'), masksets = inputData['masksets'],
                                    activeMasksetIndex = inputData['activeMasksetIndex'];
                                return inputData && inputData['opts'].autoUnmask ? $self.inputmask('unmaskedvalue') : valueGet.call(this) != masksets[activeMasksetIndex]['_buffer'].join('') ? valueGet.call(this) : '';
                            },
                            set: function (value) {
                                valueSet.call(this, value);
                                $(this).triggerHandler('setvalue.inputmask');
                            }
                        });
                    }
                } else if (document.__lookupGetter__ && npt.__lookupGetter__("value")) {
                    if (!npt._valueGet) {
                        var valueGet = npt.__lookupGetter__("value");
                        var valueSet = npt.__lookupSetter__("value");
                        npt._valueGet = function () {
                            return isRTL ? valueGet.call(this).split('').reverse().join('') : valueGet.call(this);
                        };
                        npt._valueSet = function (value) {
                            valueSet.call(this, isRTL ? value.split('').reverse().join('') : value);
                        };

                        npt.__defineGetter__("value", function () {
                            var $self = $(this), inputData = $(this).data('_inputmask'), masksets = inputData['masksets'],
                                activeMasksetIndex = inputData['activeMasksetIndex'];
                            return inputData && inputData['opts'].autoUnmask ? $self.inputmask('unmaskedvalue') : valueGet.call(this) != masksets[activeMasksetIndex]['_buffer'].join('') ? valueGet.call(this) : '';
                        });
                        npt.__defineSetter__("value", function (value) {
                            valueSet.call(this, value);
                            $(this).triggerHandler('setvalue.inputmask');
                        });
                    }
                } else {
                    if (!npt._valueGet) {
                        npt._valueGet = function () { return isRTL ? this.value.split('').reverse().join('') : this.value; };
                        npt._valueSet = function (value) { this.value = isRTL ? value.split('').reverse().join('') : value; };
                    }
                    if ($.valHooks.text == undefined || $.valHooks.text.inputmaskpatch != true) {
                        var valueGet = $.valHooks.text && $.valHooks.text.get ? $.valHooks.text.get : function (elem) { return elem.value; };
                        var valueSet = $.valHooks.text && $.valHooks.text.set ? $.valHooks.text.set : function (elem, value) {
                            elem.value = value;
                            return elem;
                        };

                        jQuery.extend($.valHooks, {
                            text: {
                                get: function (elem) {
                                    var $elem = $(elem);
                                    if ($elem.data('_inputmask')) {
                                        if ($elem.data('_inputmask')['opts'].autoUnmask)
                                            return $elem.inputmask('unmaskedvalue');
                                        else {
                                            var result = valueGet(elem),
                                                inputData = $elem.data('_inputmask'), masksets = inputData['masksets'],
                                                activeMasksetIndex = inputData['activeMasksetIndex'];
                                            return result != masksets[activeMasksetIndex]['_buffer'].join('') ? result : '';
                                        }
                                    } else return valueGet(elem);
                                },
                                set: function (elem, value) {
                                    var $elem = $(elem);
                                    var result = valueSet(elem, value);
                                    if ($elem.data('_inputmask')) $elem.triggerHandler('setvalue.inputmask');
                                    return result;
                                },
                                inputmaskpatch: true
                            }
                        });
                    }
                }
            }

            //shift chars to left from start to end and put c at end position if defined

            function shiftL(start, end, c, maskJumps) {
                var buffer = getActiveBuffer();
                if (maskJumps !== false) //jumping over nonmask position
                    while (!isMask(start) && start - 1 >= 0) start--;
                for (var i = start; i < end && i < getMaskLength() ; i++) {
                    if (isMask(i)) {
                        setReTargetPlaceHolder(buffer, i);
                        var j = seekNext(i);
                        var p = getBufferElement(buffer, j);
                        if (p != getPlaceHolder(j)) {
                            if (j < getMaskLength() && isValid(i, p, true) !== false && getActiveTests()[determineTestPosition(i)].def == getActiveTests()[determineTestPosition(j)].def) {
                                setBufferElement(buffer, i, p, true);
                            } else {
                                if (isMask(i))
                                    break;
                            }
                        }
                    } else {
                        setReTargetPlaceHolder(buffer, i);
                    }
                }
                if (c != undefined)
                    setBufferElement(buffer, seekPrevious(end), c);

                if (getActiveMaskSet()["greedy"] == false) {
                    var trbuffer = truncateInput(buffer.join('')).split('');
                    buffer.length = trbuffer.length;
                    for (var i = 0, bl = buffer.length; i < bl; i++) {
                        buffer[i] = trbuffer[i];
                    }
                    if (buffer.length == 0) getActiveMaskSet()["buffer"] = getActiveBufferTemplate().slice();
                }
                return start; //return the used start position
            }

            function shiftR(start, end, c) {
                var buffer = getActiveBuffer();
                if (getBufferElement(buffer, start, true) != getPlaceHolder(start)) {
                    for (var i = seekPrevious(end) ; i > start && i >= 0; i--) {
                        if (isMask(i)) {
                            var j = seekPrevious(i);
                            var t = getBufferElement(buffer, j);
                            if (t != getPlaceHolder(j)) {
                                if (isValid(j, t, true) !== false && getActiveTests()[determineTestPosition(i)].def == getActiveTests()[determineTestPosition(j)].def) {
                                    setBufferElement(buffer, i, t, true);
                                    setReTargetPlaceHolder(buffer, j);
                                } //else break;
                            }
                        } else
                            setReTargetPlaceHolder(buffer, i);
                    }
                }
                if (c != undefined && getBufferElement(buffer, start) == getPlaceHolder(start))
                    setBufferElement(buffer, start, c);
                var lengthBefore = buffer.length;
                if (getActiveMaskSet()["greedy"] == false) {
                    var trbuffer = truncateInput(buffer.join('')).split('');
                    buffer.length = trbuffer.length;
                    for (var i = 0, bl = buffer.length; i < bl; i++) {
                        buffer[i] = trbuffer[i];
                    }
                    if (buffer.length == 0) getActiveMaskSet()["buffer"] = getActiveBufferTemplate().slice();
                }
                return end - (lengthBefore - buffer.length); //return new start position
            }

            function HandleRemove(input, k, pos) {
                if (opts.numericInput || isRTL) {
                    switch (k) {
                        case opts.keyCode.BACKSPACE:
                            k = opts.keyCode.DELETE;
                            break;
                        case opts.keyCode.DELETE:
                            k = opts.keyCode.BACKSPACE;
                            break;
                    }
                    if (isRTL) {
                        var pend = pos.end;
                        pos.end = pos.begin;
                        pos.begin = pend;
                    }
                }

                var isSelection = true;
                if (pos.begin == pos.end) {
                    var posBegin = k == opts.keyCode.BACKSPACE ? pos.begin - 1 : pos.begin;
                    if (opts.isNumeric && opts.radixPoint != "" && getActiveBuffer()[posBegin] == opts.radixPoint) {
                        pos.begin = (getActiveBuffer().length - 1 == posBegin) /* radixPoint is latest? delete it */ ? pos.begin : k == opts.keyCode.BACKSPACE ? posBegin : seekNext(posBegin);
                        pos.end = pos.begin;
                    }
                    isSelection = false;
                    if (k == opts.keyCode.BACKSPACE)
                        pos.begin--;
                    else if (k == opts.keyCode.DELETE)
                        pos.end++;
                } else if (pos.end - pos.begin == 1 && !opts.insertMode) {
                    isSelection = false;
                    if (k == opts.keyCode.BACKSPACE)
                        pos.begin--;
                }

                clearBuffer(getActiveBuffer(), pos.begin, pos.end);

                var ml = getMaskLength();
                if (opts.greedy == false) {
                    shiftL(pos.begin, ml, undefined, !isRTL && (k == opts.keyCode.BACKSPACE && !isSelection));
                } else {
                    var newpos = pos.begin;
                    for (var i = pos.begin; i < pos.end; i++) { //seeknext to skip placeholders at start in selection
                        if (isMask(i) || !isSelection)
                            newpos = shiftL(pos.begin, ml, undefined, !isRTL && (k == opts.keyCode.BACKSPACE && !isSelection));
                    }
                    if (!isSelection) pos.begin = newpos;
                }
                var firstMaskPos = seekNext(-1);
                clearBuffer(getActiveBuffer(), pos.begin, pos.end, true);
                checkVal(input, false, masksets[1] == undefined || firstMaskPos >= pos.end, getActiveBuffer());
                if (getActiveMaskSet()['lastValidPosition'] < firstMaskPos) {
                    getActiveMaskSet()["lastValidPosition"] = -1;
                    getActiveMaskSet()["p"] = firstMaskPos;
                } else {
                    getActiveMaskSet()["p"] = pos.begin;
                }
            }

            function keydownEvent(e) {
                //Safari 5.1.x - modal dialog fires keypress twice workaround
                skipKeyPressEvent = false;
                var input = this, $input = $(input), k = e.keyCode, pos = caret(input);

                //backspace, delete, and escape get special treatment
                if (k == opts.keyCode.BACKSPACE || k == opts.keyCode.DELETE || (iphone && k == 127) || e.ctrlKey && k == 88) { //backspace/delete
                    e.preventDefault(); //stop default action but allow propagation
                    if (k == 88) valueOnFocus = getActiveBuffer().join('');
                    HandleRemove(input, k, pos);
                    determineActiveMasksetIndex();
                    writeBuffer(input, getActiveBuffer(), getActiveMaskSet()["p"]);
                    if (input._valueGet() == getActiveBufferTemplate().join(''))
                        $input.trigger('cleared');

                    if (opts.showTooltip) { //update tooltip
                        $input.prop("title", getActiveMaskSet()["mask"]);
                    }
                } else if (k == opts.keyCode.END || k == opts.keyCode.PAGE_DOWN) { //when END or PAGE_DOWN pressed set position at lastmatch
                    setTimeout(function () {
                        var caretPos = seekNext(getActiveMaskSet()["lastValidPosition"]);
                        if (!opts.insertMode && caretPos == getMaskLength() && !e.shiftKey) caretPos--;
                        caret(input, e.shiftKey ? pos.begin : caretPos, caretPos);
                    }, 0);
                } else if ((k == opts.keyCode.HOME && !e.shiftKey) || k == opts.keyCode.PAGE_UP) { //Home or page_up
                    caret(input, 0, e.shiftKey ? pos.begin : 0);
                } else if (k == opts.keyCode.ESCAPE || (k == 90 && e.ctrlKey)) { //escape && undo
                    checkVal(input, true, false, valueOnFocus.split(''));
                    $input.click();
                } else if (k == opts.keyCode.INSERT && !(e.shiftKey || e.ctrlKey)) { //insert
                    opts.insertMode = !opts.insertMode;
                    caret(input, !opts.insertMode && pos.begin == getMaskLength() ? pos.begin - 1 : pos.begin);
                } else if (opts.insertMode == false && !e.shiftKey) {
                    if (k == opts.keyCode.RIGHT) {
                        setTimeout(function () {
                            var caretPos = caret(input);
                            caret(input, caretPos.begin);
                        }, 0);
                    } else if (k == opts.keyCode.LEFT) {
                        setTimeout(function () {
                            var caretPos = caret(input);
                            caret(input, caretPos.begin - 1);
                        }, 0);
                    }
                }

                var currentCaretPos = caret(input);
                if (opts.onKeyDown.call(this, e, getActiveBuffer(), opts) === true) //extra stuff to execute on keydown
                    caret(input, currentCaretPos.begin, currentCaretPos.end);
                ignorable = $.inArray(k, opts.ignorables) != -1;
            }


            function keypressEvent(e, checkval, k, writeOut, strict, ndx) {
                //Safari 5.1.x - modal dialog fires keypress twice workaround
                if (k == undefined && skipKeyPressEvent) return false;
                skipKeyPressEvent = true;

                var input = this, $input = $(input);

                e = e || window.event;
                var k = checkval ? k : (e.which || e.charCode || e.keyCode);

                if (checkval !== true && (!(e.ctrlKey && e.altKey) && (e.ctrlKey || e.metaKey || ignorable))) {
                    return true;
                } else {
                    if (k) {
                        //special treat the decimal separator
                        if (checkval !== true && k == 46 && e.shiftKey == false && opts.radixPoint == ",") k = 44;

                        var pos, results, result, c = String.fromCharCode(k);
                        if (checkval) {
                            var pcaret = strict ? ndx : getActiveMaskSet()["lastValidPosition"] + 1;
                            pos = { begin: pcaret, end: pcaret };
                        } else {
                            pos = caret(input);
                        }

                        //should we clear a possible selection??
                        var isSlctn = isSelection(pos.begin, pos.end), redetermineLVP = false,
                            initialIndex = activeMasksetIndex;
                        if (isSlctn) {
                            activeMasksetIndex = initialIndex;
                            $.each(masksets, function (ndx, lmnt) { //init undobuffer for recovery when not valid
                                if (typeof (lmnt) == "object") {
                                    activeMasksetIndex = ndx;
                                    getActiveMaskSet()["undoBuffer"] = getActiveBuffer().join('');
                                }
                            });
                            HandleRemove(input, opts.keyCode.DELETE, pos);
                            if (!opts.insertMode) { //preserve some space
                                $.each(masksets, function (ndx, lmnt) {
                                    if (typeof (lmnt) == "object") {
                                        activeMasksetIndex = ndx;
                                        shiftR(pos.begin, getMaskLength());
                                        getActiveMaskSet()["lastValidPosition"] = seekNext(getActiveMaskSet()["lastValidPosition"]);
                                    }
                                });
                            }
                            activeMasksetIndex = initialIndex; //restore index
                        }

                        var radixPosition = getActiveBuffer().join('').indexOf(opts.radixPoint);
                        if (opts.isNumeric && checkval !== true && radixPosition != -1) {
                            if (opts.greedy && pos.begin <= radixPosition) {
                                pos.begin = seekPrevious(pos.begin);
                                pos.end = pos.begin;
                            } else if (c == opts.radixPoint) {
                                pos.begin = radixPosition;
                                pos.end = pos.begin;
                            }
                        }


                        var p = pos.begin;
                        results = isValid(p, c, strict);
                        if (strict === true) results = [{ "activeMasksetIndex": activeMasksetIndex, "result": results }];
                        var minimalForwardPosition = -1;
                        $.each(results, function (index, result) {
                            activeMasksetIndex = result["activeMasksetIndex"];
                            getActiveMaskSet()["writeOutBuffer"] = true;
                            var np = result["result"];
                            if (np !== false) {
                                var refresh = false, buffer = getActiveBuffer();
                                if (np !== true) {
                                    refresh = np["refresh"]; //only rewrite buffer from isValid
                                    p = np.pos != undefined ? np.pos : p; //set new position from isValid
                                    c = np.c != undefined ? np.c : c; //set new char from isValid
                                }
                                if (refresh !== true) {
                                    if (opts.insertMode == true) {
                                        var lastUnmaskedPosition = getMaskLength();
                                        var bfrClone = buffer.slice();
                                        while (getBufferElement(bfrClone, lastUnmaskedPosition, true) != getPlaceHolder(lastUnmaskedPosition) && lastUnmaskedPosition >= p) {
                                            lastUnmaskedPosition = lastUnmaskedPosition == 0 ? -1 : seekPrevious(lastUnmaskedPosition);
                                        }
                                        if (lastUnmaskedPosition >= p) {
                                            shiftR(p, getMaskLength(), c);
                                            //shift the lvp if needed
                                            var lvp = getActiveMaskSet()["lastValidPosition"], nlvp = seekNext(lvp);
                                            if (nlvp != getMaskLength() && lvp >= p && (getBufferElement(getActiveBuffer(), nlvp, true) != getPlaceHolder(nlvp))) {
                                                getActiveMaskSet()["lastValidPosition"] = nlvp;
                                            }
                                        } else getActiveMaskSet()["writeOutBuffer"] = false;
                                    } else setBufferElement(buffer, p, c, true);
                                    if (minimalForwardPosition == -1 || minimalForwardPosition > seekNext(p)) {
                                        minimalForwardPosition = seekNext(p);
                                    }
                                } else if (!strict) {
                                    var nextPos = p < getMaskLength() ? p + 1 : p;
                                    if (minimalForwardPosition == -1 || minimalForwardPosition > nextPos) {
                                        minimalForwardPosition = nextPos;
                                    }
                                }
                                if (minimalForwardPosition > getActiveMaskSet()["p"])
                                    getActiveMaskSet()["p"] = minimalForwardPosition; //needed for checkval strict 
                            }
                        });

                        if (strict !== true) {
                            activeMasksetIndex = initialIndex;
                            determineActiveMasksetIndex();
                        }
                        if (writeOut !== false) {
                            $.each(results, function (ndx, rslt) {
                                if (rslt["activeMasksetIndex"] == activeMasksetIndex) {
                                    result = rslt;
                                    return false;
                                }
                            });
                            if (result != undefined) {
                                var self = this;
                                setTimeout(function () { opts.onKeyValidation.call(self, result["result"], opts); }, 0);
                                if (getActiveMaskSet()["writeOutBuffer"] && result["result"] !== false) {
                                    var buffer = getActiveBuffer();

                                    var newCaretPosition;
                                    if (checkval) {
                                        newCaretPosition = undefined;
                                    } else if (opts.numericInput) {
                                        if (p > radixPosition) {
                                            newCaretPosition = seekPrevious(minimalForwardPosition);
                                        } else if (c == opts.radixPoint) {
                                            newCaretPosition = minimalForwardPosition - 1;
                                        } else newCaretPosition = seekPrevious(minimalForwardPosition - 1);
                                    } else {
                                        newCaretPosition = minimalForwardPosition;
                                    }

                                    writeBuffer(input, buffer, newCaretPosition);
                                    if (checkval !== true) {
                                        setTimeout(function () { //timeout needed for IE
                                            if (isComplete(buffer) === true)
                                                $input.trigger("complete");
                                            skipInputEvent = true;
                                            $input.trigger("input");
                                        }, 0);
                                    }
                                } else if (isSlctn) {
                                    getActiveMaskSet()["buffer"] = getActiveMaskSet()["undoBuffer"].split('');
                                }
                            }
                        }

                        if (opts.showTooltip) { //update tooltip
                            $input.prop("title", getActiveMaskSet()["mask"]);
                        }

                        //needed for IE8 and below
                        if (e) e.preventDefault ? e.preventDefault() : e.returnValue = false;
                    }
                }
            }

            function keyupEvent(e) {
                var $input = $(this), input = this, k = e.keyCode, buffer = getActiveBuffer();

                if (androidchrome && k == opts.keyCode.BACKSPACE) {
                    if (chromeValueOnInput == input._valueGet())
                        keydownEvent.call(this, e);
                }

                opts.onKeyUp.call(this, e, buffer, opts); //extra stuff to execute on keyup
                if (k == opts.keyCode.TAB && opts.showMaskOnFocus) {
                    if ($input.hasClass('focus.inputmask') && input._valueGet().length == 0) {
                        buffer = getActiveBufferTemplate().slice();
                        writeBuffer(input, buffer);
                        caret(input, 0);
                        valueOnFocus = getActiveBuffer().join('');
                    } else {
                        writeBuffer(input, buffer);
                        if (buffer.join('') == getActiveBufferTemplate().join('') && $.inArray(opts.radixPoint, buffer) != -1) {
                            caret(input, TranslatePosition(0));
                            $input.click();
                        } else
                            caret(input, TranslatePosition(0), TranslatePosition(getMaskLength()));
                    }
                }
            }

            function inputEvent(e) {
                if (skipInputEvent === true) {
                    skipInputEvent = false;
                    return true;
                }
                var input = this, $input = $(input);

                chromeValueOnInput = getActiveBuffer().join('');
                checkVal(input, false, false);
                writeBuffer(input, getActiveBuffer());
                if (isComplete(getActiveBuffer()) === true)
                    $input.trigger("complete");
                $input.click();
            }

            function mask(el) {
                $el = $(el);
                if ($el.is(":input")) {
                    //store tests & original buffer in the input element - used to get the unmasked value
                    $el.data('_inputmask', {
                        'masksets': masksets,
                        'activeMasksetIndex': activeMasksetIndex,
                        'opts': opts,
                        'isRTL': false
                    });

                    //show tooltip
                    if (opts.showTooltip) {
                        $el.prop("title", getActiveMaskSet()["mask"]);
                    }

                    //correct greedy setting if needed
                    getActiveMaskSet()['greedy'] = getActiveMaskSet()['greedy'] ? getActiveMaskSet()['greedy'] : getActiveMaskSet()['repeat'] == 0;

                    //handle maxlength attribute
                    if ($el.attr("maxLength") != null) //only when the attribute is set
                    {
                        var maxLength = $el.prop('maxLength');
                        if (maxLength > -1) { //handle *-repeat
                            $.each(masksets, function (ndx, ms) {
                                if (typeof (ms) == "object") {
                                    if (ms["repeat"] == "*") {
                                        ms["repeat"] = maxLength;
                                    }
                                }
                            });
                        }
                        if (getMaskLength() >= maxLength && maxLength > -1) { //FF sets no defined max length to -1 
                            if (maxLength < getActiveBufferTemplate().length) getActiveBufferTemplate().length = maxLength;
                            if (getActiveMaskSet()['greedy'] == false) {
                                getActiveMaskSet()['repeat'] = Math.round(maxLength / getActiveBufferTemplate().length);
                            }
                            $el.prop('maxLength', getMaskLength() * 2);
                        }
                    }

                    patchValueProperty(el);

                    if (opts.numericInput) opts.isNumeric = opts.numericInput;
                    if (el.dir == "rtl" || (opts.numericInput && opts.rightAlignNumerics) || (opts.isNumeric && opts.rightAlignNumerics))
                        $el.css("text-align", "right");

                    if (el.dir == "rtl" || opts.numericInput) {
                        el.dir = "ltr";
                        $el.removeAttr("dir");
                        var inputData = $el.data('_inputmask');
                        inputData['isRTL'] = true;
                        $el.data('_inputmask', inputData);
                        isRTL = true;
                    }

                    //unbind all events - to make sure that no other mask will interfere when re-masking
                    $el.unbind(".inputmask");
                    $el.removeClass('focus.inputmask');
                    //bind events
                    $el.closest('form').bind("submit", function () { //trigger change on submit if any
                        if (valueOnFocus != getActiveBuffer().join('')) {
                            $el.change();
                        }
                    }).bind('reset', function () {
                        setTimeout(function () {
                            $el.trigger("setvalue");
                        }, 0);
                    });
                    $el.bind("mouseenter.inputmask", function () {
                        var $input = $(this), input = this;
                        if (!$input.hasClass('focus.inputmask') && opts.showMaskOnHover) {
                            if (input._valueGet() != getActiveBuffer().join('')) {
                                writeBuffer(input, getActiveBuffer());
                            }
                        }
                    }).bind("blur.inputmask", function () {
                        var $input = $(this), input = this, nptValue = input._valueGet(), buffer = getActiveBuffer();
                        $input.removeClass('focus.inputmask');
                        if (valueOnFocus != getActiveBuffer().join('')) {
                            $input.change();
                        }
                        if (opts.clearMaskOnLostFocus && nptValue != '') {
                            if (nptValue == getActiveBufferTemplate().join(''))
                                input._valueSet('');
                            else { //clearout optional tail of the mask
                                clearOptionalTail(input);
                            }
                        }
                        if (isComplete(buffer) === false) {
                            $input.trigger("incomplete");
                            if (opts.clearIncomplete) {
                                $.each(masksets, function (ndx, ms) {
                                    if (typeof (ms) == "object") {
                                        ms["buffer"] = ms["_buffer"].slice();
                                        ms["lastValidPosition"] = -1;
                                    }
                                });
                                activeMasksetIndex = 0;
                                if (opts.clearMaskOnLostFocus)
                                    input._valueSet('');
                                else {
                                    buffer = getActiveBufferTemplate().slice();
                                    writeBuffer(input, buffer);
                                }
                            }
                        }
                    }).bind("focus.inputmask", function () {
                        var $input = $(this), input = this, nptValue = input._valueGet();
                        if (opts.showMaskOnFocus && !$input.hasClass('focus.inputmask') && (!opts.showMaskOnHover || (opts.showMaskOnHover && nptValue == ''))) {
                            if (input._valueGet() != getActiveBuffer().join('')) {
                                writeBuffer(input, getActiveBuffer(), seekNext(getActiveMaskSet()["lastValidPosition"]));
                            }
                        }
                        $input.addClass('focus.inputmask');
                        valueOnFocus = getActiveBuffer().join('');
                    }).bind("mouseleave.inputmask", function () {
                        var $input = $(this), input = this;
                        if (opts.clearMaskOnLostFocus) {
                            if (!$input.hasClass('focus.inputmask') && input._valueGet() != $input.attr("placeholder")) {
                                if (input._valueGet() == getActiveBufferTemplate().join('') || input._valueGet() == '')
                                    input._valueSet('');
                                else { //clearout optional tail of the mask
                                    clearOptionalTail(input);
                                }
                            }
                        }
                    }).bind("click.inputmask", function () {
                        var input = this;
                        setTimeout(function () {
                            var selectedCaret = caret(input), buffer = getActiveBuffer();
                            if (selectedCaret.begin == selectedCaret.end) {
                                var clickPosition = isRTL ? TranslatePosition(selectedCaret.begin) : selectedCaret.begin,
                                    lvp = getActiveMaskSet()["lastValidPosition"],
                                    lastPosition;
                                if (opts.isNumeric) {
                                    lastPosition = opts.skipRadixDance === false && opts.radixPoint != "" && $.inArray(opts.radixPoint, buffer) != -1 ?
                                        (opts.numericInput ? seekNext($.inArray(opts.radixPoint, buffer)) : $.inArray(opts.radixPoint, buffer)) :
                                        seekNext(lvp);
                                } else {
                                    lastPosition = seekNext(lvp);
                                }
                                if (clickPosition < lastPosition) {
                                    if (isMask(clickPosition))
                                        caret(input, clickPosition);
                                    else caret(input, seekNext(clickPosition));
                                } else
                                    caret(input, lastPosition);
                            }
                        }, 0);
                    }).bind('dblclick.inputmask', function () {
                        var input = this;
                        setTimeout(function () {
                            caret(input, 0, seekNext(getActiveMaskSet()["lastValidPosition"]));
                        }, 0);
                    }).bind(pasteEvent + ".inputmask dragdrop.inputmask drop.inputmask", function (e) {
                        if (skipInputEvent === true) {
                            skipInputEvent = false;
                            return true;
                        }
                        var input = this, $input = $(input);

                        //paste event for IE8 and lower I guess ;-)
                        if (e.type == "propertychange" && input._valueGet().length <= getMaskLength()) {
                            return true;
                        }
                        setTimeout(function () {
                            var pasteValue = opts.onBeforePaste != undefined ? opts.onBeforePaste.call(this, input._valueGet()) : input._valueGet();
                            checkVal(input, true, false, pasteValue.split(''), true);
                            if (isComplete(getActiveBuffer()) === true)
                                $input.trigger("complete");
                            $input.click();
                        }, 0);
                    }).bind('setvalue.inputmask', function () {
                        var input = this;
                        checkVal(input, true);
                        valueOnFocus = getActiveBuffer().join('');
                        if (input._valueGet() == getActiveBufferTemplate().join(''))
                            input._valueSet('');
                    }).bind('complete.inputmask', opts.oncomplete
                    ).bind('incomplete.inputmask', opts.onincomplete
                    ).bind('cleared.inputmask', opts.oncleared
                    ).bind("keyup.inputmask", keyupEvent);

                    if (androidchrome) {
                        $el.bind("input.inputmask", inputEvent);
                    } else {
                        $el.bind("keydown.inputmask", keydownEvent
                        ).bind("keypress.inputmask", keypressEvent);
                    }

                    if (msie10)
                        $el.bind("input.inputmask", inputEvent);

                    //apply mask
                    checkVal(el, true, false);
                    valueOnFocus = getActiveBuffer().join('');
                    // Wrap document.activeElement in a try/catch block since IE9 throw "Unspecified error" if document.activeElement is undefined when we are in an IFrame.
                    var activeElement;
                    try {
                        activeElement = document.activeElement;
                    } catch (e) {
                    }
                    if (activeElement === el) { //position the caret when in focus
                        $el.addClass('focus.inputmask');
                        caret(el, seekNext(getActiveMaskSet()["lastValidPosition"]));
                    } else if (opts.clearMaskOnLostFocus) {
                        if (getActiveBuffer().join('') == getActiveBufferTemplate().join('')) {
                            el._valueSet('');
                        } else {
                            clearOptionalTail(el);
                        }
                    } else {
                        writeBuffer(el, getActiveBuffer());
                    }

                    installEventRuler(el);
                }
            }

            //action object
            if (actionObj != undefined) {
                switch (actionObj["action"]) {
                    case "isComplete":
                        return isComplete(actionObj["buffer"]);
                    case "unmaskedvalue":
                        isRTL = actionObj["$input"].data('_inputmask')['isRTL'];
                        return unmaskedvalue(actionObj["$input"], actionObj["skipDatepickerCheck"]);
                    case "mask":
                        mask(actionObj["el"]);
                        break;
                    case "format":
                        $el = $({});
                        $el.data('_inputmask', {
                            'masksets': masksets,
                            'activeMasksetIndex': activeMasksetIndex,
                            'opts': opts,
                            'isRTL': opts.numericInput
                        });
                        if (opts.numericInput) {
                            opts.isNumeric = opts.numericInput;
                            isRTL = true;
                        }

                        checkVal($el, false, false, actionObj["value"].split(''), true);
                        return getActiveBuffer().join('');
                }
            }
        }
        $.inputmask = {
            //options default
            defaults: {
                placeholder: "_",
                optionalmarker: { start: "[", end: "]" },
                quantifiermarker: { start: "{", end: "}" },
                groupmarker: { start: "(", end: ")" },
                escapeChar: "\\",
                mask: null,
                oncomplete: $.noop, //executes when the mask is complete
                onincomplete: $.noop, //executes when the mask is incomplete and focus is lost
                oncleared: $.noop, //executes when the mask is cleared
                repeat: 0, //repetitions of the mask: * ~ forever, otherwise specify an integer
                greedy: true, //true: allocated buffer for the mask and repetitions - false: allocate only if needed
                autoUnmask: false, //automatically unmask when retrieving the value with $.fn.val or value if the browser supports __lookupGetter__ or getOwnPropertyDescriptor
                clearMaskOnLostFocus: true,
                insertMode: true, //insert the input or overwrite the input
                clearIncomplete: false, //clear the incomplete input on blur
                aliases: {}, //aliases definitions => see jquery.inputmask.extensions.js
                onKeyUp: $.noop, //override to implement autocomplete on certain keys for example
                onKeyDown: $.noop, //override to implement autocomplete on certain keys for example
                onBeforePaste: undefined, //executes before masking the pasted value to allow preprocessing of the pasted value.  args => pastedValue => return processedValue
                onUnMask: undefined, //executes after unmasking to allow postprocessing of the unmaskedvalue.  args => maskedValue, unmaskedValue
                showMaskOnFocus: true, //show the mask-placeholder when the input has focus
                showMaskOnHover: true, //show the mask-placeholder when hovering the empty input
                onKeyValidation: $.noop, //executes on every key-press with the result of isValid. Params: result, opts
                skipOptionalPartCharacter: " ", //a character which can be used to skip an optional part of a mask
                showTooltip: false, //show the activemask as tooltip
                numericInput: false, //numericInput input direction style (input shifts to the left while holding the caret position)
                //numeric basic properties
                isNumeric: false, //enable numeric features
                radixPoint: "", //".", // | ","
                skipRadixDance: false, //disable radixpoint caret positioning
                rightAlignNumerics: true, //align numerics to the right
                //numeric basic properties
                definitions: {
                    '9': {
                        validator: "[0-9]",
                        cardinality: 1
                    },
                    'a': {
                        validator: "[A-Za-z\u0410-\u044F\u0401\u0451]",
                        cardinality: 1
                    },
                    '*': {
                        validator: "[A-Za-z\u0410-\u044F\u0401\u04510-9]",
                        cardinality: 1
                    }
                },
                keyCode: {
                    ALT: 18, BACKSPACE: 8, CAPS_LOCK: 20, COMMA: 188, COMMAND: 91, COMMAND_LEFT: 91, COMMAND_RIGHT: 93, CONTROL: 17, DELETE: 46, DOWN: 40, END: 35, ENTER: 13, ESCAPE: 27, HOME: 36, INSERT: 45, LEFT: 37, MENU: 93, NUMPAD_ADD: 107, NUMPAD_DECIMAL: 110, NUMPAD_DIVIDE: 111, NUMPAD_ENTER: 108,
                    NUMPAD_MULTIPLY: 106, NUMPAD_SUBTRACT: 109, PAGE_DOWN: 34, PAGE_UP: 33, PERIOD: 190, RIGHT: 39, SHIFT: 16, SPACE: 32, TAB: 9, UP: 38, WINDOWS: 91
                },
                //specify keycodes which should not be considered in the keypress event, otherwise the preventDefault will stop their default behavior especially in FF
                ignorables: [8, 9, 13, 19, 27, 33, 34, 35, 36, 37, 38, 39, 40, 45, 46, 93, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123],
                getMaskLength: function (buffer, greedy, repeat, currentBuffer, opts) {
                    var calculatedLength = buffer.length;
                    if (!greedy) {
                        if (repeat == "*") {
                            calculatedLength = currentBuffer.length + 1;
                        } else if (repeat > 1) {
                            calculatedLength += (buffer.length * (repeat - 1));
                        }
                    }
                    return calculatedLength;
                }
            },
            escapeRegex: function (str) {
                var specials = ['/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\'];
                return str.replace(new RegExp('(\\' + specials.join('|\\') + ')', 'gim'), '\\$1');
            },
            format: function (value, options) {
                var opts = $.extend(true, {}, $.inputmask.defaults, options);
                resolveAlias(opts.alias, options, opts);
                return maskScope(generateMaskSets(opts), 0, opts, { "action": "format", "value": value });
            }
        };

        $.fn.inputmask = function (fn, options) {
            var opts = $.extend(true, {}, $.inputmask.defaults, options),
                masksets,
                activeMasksetIndex = 0;

            if (typeof fn === "string") {
                switch (fn) {
                    case "mask":
                        //resolve possible aliases given by options
                        resolveAlias(opts.alias, options, opts);
                        masksets = generateMaskSets(opts);
                        if (masksets.length == 0) { return this; }

                        return this.each(function () {
                            maskScope($.extend(true, {}, masksets), 0, opts, { "action": "mask", "el": this });
                        });
                    case "unmaskedvalue":
                        var $input = $(this), input = this;
                        if ($input.data('_inputmask')) {
                            masksets = $input.data('_inputmask')['masksets'];
                            activeMasksetIndex = $input.data('_inputmask')['activeMasksetIndex'];
                            opts = $input.data('_inputmask')['opts'];
                            return maskScope(masksets, activeMasksetIndex, opts, { "action": "unmaskedvalue", "$input": $input });
                        } else return $input.val();
                    case "remove":
                        return this.each(function () {
                            var $input = $(this), input = this;
                            if ($input.data('_inputmask')) {
                                masksets = $input.data('_inputmask')['masksets'];
                                activeMasksetIndex = $input.data('_inputmask')['activeMasksetIndex'];
                                opts = $input.data('_inputmask')['opts'];
                                //writeout the unmaskedvalue
                                input._valueSet(maskScope(masksets, activeMasksetIndex, opts, { "action": "unmaskedvalue", "$input": $input, "skipDatepickerCheck": true }));
                                //clear data
                                $input.removeData('_inputmask');
                                //unbind all events
                                $input.unbind(".inputmask");
                                $input.removeClass('focus.inputmask');
                                //restore the value property
                                var valueProperty;
                                if (Object.getOwnPropertyDescriptor)
                                    valueProperty = Object.getOwnPropertyDescriptor(input, "value");
                                if (valueProperty && valueProperty.get) {
                                    if (input._valueGet) {
                                        Object.defineProperty(input, "value", {
                                            get: input._valueGet,
                                            set: input._valueSet
                                        });
                                    }
                                } else if (document.__lookupGetter__ && input.__lookupGetter__("value")) {
                                    if (input._valueGet) {
                                        input.__defineGetter__("value", input._valueGet);
                                        input.__defineSetter__("value", input._valueSet);
                                    }
                                }
                                try { //try catch needed for IE7 as it does not supports deleting fns
                                    delete input._valueGet;
                                    delete input._valueSet;
                                } catch (e) {
                                    input._valueGet = undefined;
                                    input._valueSet = undefined;

                                }
                            }
                        });
                        break;
                    case "getemptymask": //return the default (empty) mask value, usefull for setting the default value in validation
                        if (this.data('_inputmask')) {
                            masksets = this.data('_inputmask')['masksets'];
                            activeMasksetIndex = this.data('_inputmask')['activeMasksetIndex'];
                            return masksets[activeMasksetIndex]['_buffer'].join('');
                        }
                        else return "";
                    case "hasMaskedValue": //check wheter the returned value is masked or not; currently only works reliable when using jquery.val fn to retrieve the value 
                        return this.data('_inputmask') ? !this.data('_inputmask')['opts'].autoUnmask : false;
                    case "isComplete":
                        masksets = this.data('_inputmask')['masksets'];
                        activeMasksetIndex = this.data('_inputmask')['activeMasksetIndex'];
                        opts = this.data('_inputmask')['opts'];
                        return maskScope(masksets, activeMasksetIndex, opts, { "action": "isComplete", "buffer": this[0]._valueGet().split('') });
                    case "getmetadata": //return mask metadata if exists
                        if (this.data('_inputmask')) {
                            masksets = this.data('_inputmask')['masksets'];
                            activeMasksetIndex = this.data('_inputmask')['activeMasksetIndex'];
                            return masksets[activeMasksetIndex]['metadata'];
                        }
                        else return undefined;
                    default:
                        //check if the fn is an alias
                        if (!resolveAlias(fn, options, opts)) {
                            //maybe fn is a mask so we try
                            //set mask
                            opts.mask = fn;
                        }
                        masksets = generateMaskSets(opts);
                        if (masksets.length == 0) { return this; }
                        return this.each(function () {
                            maskScope($.extend(true, {}, masksets), activeMasksetIndex, opts, { "action": "mask", "el": this });
                        });

                        break;
                }
            } else if (typeof fn == "object") {
                opts = $.extend(true, {}, $.inputmask.defaults, fn);

                resolveAlias(opts.alias, fn, opts); //resolve aliases
                masksets = generateMaskSets(opts);
                if (masksets.length == 0) { return this; }
                return this.each(function () {
                    maskScope($.extend(true, {}, masksets), activeMasksetIndex, opts, { "action": "mask", "el": this });
                });
            } else if (fn == undefined) {
                //look for data-inputmask atribute - the attribute should only contain optipns
                return this.each(function () {
                    var attrOptions = $(this).attr("data-inputmask");
                    if (attrOptions && attrOptions != "") {
                        try {
                            attrOptions = attrOptions.replace(new RegExp("'", "g"), '"');
                            var dataoptions = $.parseJSON("{" + attrOptions + "}");
                            $.extend(true, dataoptions, options);
                            opts = $.extend(true, {}, $.inputmask.defaults, dataoptions);
                            resolveAlias(opts.alias, dataoptions, opts);
                            opts.alias = undefined;
                            $(this).inputmask(opts);
                        } catch (ex) { } //need a more relax parseJSON
                    }
                });
            }
        };
    }
})(jQuery);