// Source: public/lib/momentjs/min/moment.min.js
//! moment.js
//! version : 2.5.1
//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
//! license : MIT
//! momentjs.com
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a.slice(1)}),this._longDateFormat[a]=b),b},isPM:function(a){return"p"===(a+"").toLowerCase().charAt(0)},_meridiemParse:/[ap]\.?m?\.?/i,meridiem:function(a,b,c){return a>11?c?"pm":"PM":c?"am":"AM"},_calendar:{sameDay:"[Today at] LT",nextDay:"[Tomorrow at] LT",nextWeek:"dddd [at] LT",lastDay:"[Yesterday at] LT",lastWeek:"[Last] dddd [at] LT",sameElse:"L"},calendar:function(a,b){var c=this._calendar[a];return"function"==typeof c?c.apply(b):c},_relativeTime:{future:"in %s",past:"%s ago",s:"a few seconds",m:"a minute",mm:"%d minutes",h:"an hour",hh:"%d hours",d:"a day",dd:"%d days",M:"a month",MM:"%d months",y:"a year",yy:"%d years"},relativeTime:function(a,b,c,d){var e=this._relativeTime[c];return"function"==typeof e?e(a,b,c,d):e.replace(/%d/i,a)},pastFuture:function(a,b){var c=this._relativeTime[a>0?"future":"past"];return"function"==typeof c?c(b):c.replace(/%s/i,b)},ordinal:function(a){return this._ordinal.replace("%d",a)},_ordinal:"%d",preparse:function(a){return a},postformat:function(a){return a},week:function(a){return Y(a,this._week.dow,this._week.doy).week},_week:{dow:0,doy:6},_invalidDate:"Invalid date",invalidDate:function(){return this._invalidDate}}),db=function(c,d,e,f){var g;return"boolean"==typeof e&&(f=e,e=a),g={},g._isAMomentObject=!0,g._i=c,g._f=d,g._l=e,g._strict=f,g._isUTC=!1,g._pf=b(),$(g)},db.utc=function(c,d,e,f){var g;return"boolean"==typeof e&&(f=e,e=a),g={},g._isAMomentObject=!0,g._useUTC=!0,g._isUTC=!0,g._l=e,g._i=c,g._f=d,g._strict=f,g._pf=b(),$(g).utc()},db.unix=function(a){return db(1e3*a)},db.duration=function(a,b){var c,d,e,f=a,h=null;return db.isDuration(a)?f={ms:a._milliseconds,d:a._days,M:a._months}:"number"==typeof a?(f={},b?f[b]=a:f.milliseconds=a):(h=tb.exec(a))?(c="-"===h[1]?-1:1,f={y:0,d:s(h[kb])*c,h:s(h[lb])*c,m:s(h[mb])*c,s:s(h[nb])*c,ms:s(h[ob])*c}):(h=ub.exec(a))&&(c="-"===h[1]?-1:1,e=function(a){var b=a&&parseFloat(a.replace(",","."));return(isNaN(b)?0:b)*c},f={y:e(h[2]),M:e(h[3]),d:e(h[4]),h:e(h[5]),m:e(h[6]),s:e(h[7]),w:e(h[8])}),d=new g(f),db.isDuration(a)&&a.hasOwnProperty("_lang")&&(d._lang=a._lang),d},db.version=fb,db.defaultFormat=Nb,db.updateOffset=function(){},db.lang=function(a,b){var c;return a?(b?A(y(a),b):null===b?(B(a),a="en"):pb[a]||C(a),c=db.duration.fn._lang=db.fn._lang=C(a),c._abbr):db.fn._lang._abbr},db.langData=function(a){return a&&a._lang&&a._lang._abbr&&(a=a._lang._abbr),C(a)},db.isMoment=function(a){return a instanceof f||null!=a&&a.hasOwnProperty("_isAMomentObject")},db.isDuration=function(a){return a instanceof g},eb=Zb.length-1;eb>=0;--eb)r(Zb[eb]);for(db.normalizeUnits=function(a){return p(a)},db.invalid=function(a){var b=db.utc(0/0);return null!=a?h(b._pf,a):b._pf.userInvalidated=!0,b},db.parseZone=function(a){return db(a).parseZone()},h(db.fn=f.prototype,{clone:function(){return db(this)},valueOf:function(){return+this._d+6e4*(this._offset||0)},unix:function(){return Math.floor(+this/1e3)},toString:function(){return this.clone().lang("en").format("ddd MMM DD YYYY HH:mm:ss [GMT]ZZ")},toDate:function(){return this._offset?new Date(+this):this._d},toISOString:function(){var a=db(this).utc();return 0<a.year()&&a.year()<=9999?F(a,"YYYY-MM-DD[T]HH:mm:ss.SSS[Z]"):F(a,"YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]")},toArray:function(){var a=this;return[a.year(),a.month(),a.date(),a.hours(),a.minutes(),a.seconds(),a.milliseconds()]},isValid:function(){return x(this)},isDSTShifted:function(){return this._a?this.isValid()&&o(this._a,(this._isUTC?db.utc(this._a):db(this._a)).toArray())>0:!1},parsingFlags:function(){return h({},this._pf)},invalidAt:function(){return this._pf.overflow},utc:function(){return this.zone(0)},local:function(){return this.zone(0),this._isUTC=!1,this},format:function(a){var b=F(this,a||db.defaultFormat);return this.lang().postformat(b)},add:function(a,b){var c;return c="string"==typeof a?db.duration(+b,a):db.duration(a,b),l(this,c,1),this},subtract:function(a,b){var c;return c="string"==typeof a?db.duration(+b,a):db.duration(a,b),l(this,c,-1),this},diff:function(a,b,c){var d,e,f=z(a,this),g=6e4*(this.zone()-f.zone());return b=p(b),"year"===b||"month"===b?(d=432e5*(this.daysInMonth()+f.daysInMonth()),e=12*(this.year()-f.year())+(this.month()-f.month()),e+=(this-db(this).startOf("month")-(f-db(f).startOf("month")))/d,e-=6e4*(this.zone()-db(this).startOf("month").zone()-(f.zone()-db(f).startOf("month").zone()))/d,"year"===b&&(e/=12)):(d=this-f,e="second"===b?d/1e3:"minute"===b?d/6e4:"hour"===b?d/36e5:"day"===b?(d-g)/864e5:"week"===b?(d-g)/6048e5:d),c?e:j(e)},from:function(a,b){return db.duration(this.diff(a)).lang(this.lang()._abbr).humanize(!b)},fromNow:function(a){return this.from(db(),a)},calendar:function(){var a=z(db(),this).startOf("day"),b=this.diff(a,"days",!0),c=-6>b?"sameElse":-1>b?"lastWeek":0>b?"lastDay":1>b?"sameDay":2>b?"nextDay":7>b?"nextWeek":"sameElse";return this.format(this.lang().calendar(c,this))},isLeapYear:function(){return v(this.year())},isDST:function(){return this.zone()<this.clone().month(0).zone()||this.zone()<this.clone().month(5).zone()},day:function(a){var b=this._isUTC?this._d.getUTCDay():this._d.getDay();return null!=a?(a=V(a,this.lang()),this.add({d:a-b})):b},month:function(a){var b,c=this._isUTC?"UTC":"";return null!=a?"string"==typeof a&&(a=this.lang().monthsParse(a),"number"!=typeof a)?this:(b=this.date(),this.date(1),this._d["set"+c+"Month"](a),this.date(Math.min(b,this.daysInMonth())),db.updateOffset(this),this):this._d["get"+c+"Month"]()},startOf:function(a){switch(a=p(a)){case"year":this.month(0);case"month":this.date(1);case"week":case"isoWeek":case"day":this.hours(0);case"hour":this.minutes(0);case"minute":this.seconds(0);case"second":this.milliseconds(0)}return"week"===a?this.weekday(0):"isoWeek"===a&&this.isoWeekday(1),this},endOf:function(a){return a=p(a),this.startOf(a).add("isoWeek"===a?"week":a,1).subtract("ms",1)},isAfter:function(a,b){return b="undefined"!=typeof b?b:"millisecond",+this.clone().startOf(b)>+db(a).startOf(b)},isBefore:function(a,b){return b="undefined"!=typeof b?b:"millisecond",+this.clone().startOf(b)<+db(a).startOf(b)},isSame:function(a,b){return b=b||"ms",+this.clone().startOf(b)===+z(a,this).startOf(b)},min:function(a){return a=db.apply(null,arguments),this>a?this:a},max:function(a){return a=db.apply(null,arguments),a>this?this:a},zone:function(a){var b=this._offset||0;return null==a?this._isUTC?b:this._d.getTimezoneOffset():("string"==typeof a&&(a=I(a)),Math.abs(a)<16&&(a=60*a),this._offset=a,this._isUTC=!0,b!==a&&l(this,db.duration(b-a,"m"),1,!0),this)},zoneAbbr:function(){return this._isUTC?"UTC":""},zoneName:function(){return this._isUTC?"Coordinated Universal Time":""},parseZone:function(){return this._tzm?this.zone(this._tzm):"string"==typeof this._i&&this.zone(this._i),this},hasAlignedHourOffset:function(a){return a=a?db(a).zone():0,(this.zone()-a)%60===0},daysInMonth:function(){return t(this.year(),this.month())},dayOfYear:function(a){var b=hb((db(this).startOf("day")-db(this).startOf("year"))/864e5)+1;return null==a?b:this.add("d",a-b)},quarter:function(){return Math.ceil((this.month()+1)/3)},weekYear:function(a){var b=Y(this,this.lang()._week.dow,this.lang()._week.doy).year;return null==a?b:this.add("y",a-b)},isoWeekYear:function(a){var b=Y(this,1,4).year;return null==a?b:this.add("y",a-b)},week:function(a){var b=this.lang().week(this);return null==a?b:this.add("d",7*(a-b))},isoWeek:function(a){var b=Y(this,1,4).week;return null==a?b:this.add("d",7*(a-b))},weekday:function(a){var b=(this.day()+7-this.lang()._week.dow)%7;return null==a?b:this.add("d",a-b)},isoWeekday:function(a){return null==a?this.day()||7:this.day(this.day()%7?a:a-7)},get:function(a){return a=p(a),this[a]()},set:function(a,b){return a=p(a),"function"==typeof this[a]&&this[a](b),this},lang:function(b){return b===a?this._lang:(this._lang=C(b),this)}}),eb=0;eb<Rb.length;eb++)_(Rb[eb].toLowerCase().replace(/s$/,""),Rb[eb]);_("year","FullYear"),db.fn.days=db.fn.day,db.fn.months=db.fn.month,db.fn.weeks=db.fn.week,db.fn.isoWeeks=db.fn.isoWeek,db.fn.toJSON=db.fn.toISOString,h(db.duration.fn=g.prototype,{_bubble:function(){var a,b,c,d,e=this._milliseconds,f=this._days,g=this._months,h=this._data;h.milliseconds=e%1e3,a=j(e/1e3),h.seconds=a%60,b=j(a/60),h.minutes=b%60,c=j(b/60),h.hours=c%24,f+=j(c/24),h.days=f%30,g+=j(f/30),h.months=g%12,d=j(g/12),h.years=d},weeks:function(){return j(this.days()/7)},valueOf:function(){return this._milliseconds+864e5*this._days+this._months%12*2592e6+31536e6*s(this._months/12)},humanize:function(a){var b=+this,c=X(b,!a,this.lang());return a&&(c=this.lang().pastFuture(b,c)),this.lang().postformat(c)},add:function(a,b){var c=db.duration(a,b);return this._milliseconds+=c._milliseconds,this._days+=c._days,this._months+=c._months,this._bubble(),this},subtract:function(a,b){var c=db.duration(a,b);return this._milliseconds-=c._milliseconds,this._days-=c._days,this._months-=c._months,this._bubble(),this},get:function(a){return a=p(a),this[a.toLowerCase()+"s"]()},as:function(a){return a=p(a),this["as"+a.charAt(0).toUpperCase()+a.slice(1)+"s"]()},lang:db.fn.lang,toIsoString:function(){var a=Math.abs(this.years()),b=Math.abs(this.months()),c=Math.abs(this.days()),d=Math.abs(this.hours()),e=Math.abs(this.minutes()),f=Math.abs(this.seconds()+this.milliseconds()/1e3);return this.asSeconds()?(this.asSeconds()<0?"-":"")+"P"+(a?a+"Y":"")+(b?b+"M":"")+(c?c+"D":"")+(d||e||f?"T":"")+(d?d+"H":"")+(e?e+"M":"")+(f?f+"S":""):"P0D"}});for(eb in Sb)Sb.hasOwnProperty(eb)&&(bb(eb,Sb[eb]),ab(eb.toLowerCase()));bb("Weeks",6048e5),db.duration.fn.asMonths=function(){return(+this-31536e6*this.years())/2592e6+12*this.years()},db.lang("en",{ordinal:function(a){var b=a%10,c=1===s(a%100/10)?"th":1===b?"st":2===b?"nd":3===b?"rd":"th";return a+c}}),rb?(module.exports=db,cb(!0)):"function"==typeof define&&define.amd?define("moment",function(b,c,d){return d.config&&d.config()&&d.config().noGlobal!==!0&&cb(d.config().noGlobal===a),db}):cb()}).call(this);
// Source: public/lib/qrcode-generator/js/qrcode.js
//---------------------------------------------------------------------
//
// QR Code Generator for JavaScript
//
// Copyright (c) 2009 Kazuhiko Arase
//
// URL: http://www.d-project.com/
//
// Licensed under the MIT license:
//	http://www.opensource.org/licenses/mit-license.php
//
// The word 'QR Code' is registered trademark of
// DENSO WAVE INCORPORATED
//	http://www.denso-wave.com/qrcode/faqpatent-e.html
//
//---------------------------------------------------------------------

var qrcode = function() {

	//---------------------------------------------------------------------
	// qrcode
	//---------------------------------------------------------------------

	/**
	 * qrcode
	 * @param typeNumber 1 to 10
	 * @param errorCorrectLevel 'L','M','Q','H'
	 */
	var qrcode = function(typeNumber, errorCorrectLevel) {

		var PAD0 = 0xEC;
		var PAD1 = 0x11;

		var _typeNumber = typeNumber;
		var _errorCorrectLevel = QRErrorCorrectLevel[errorCorrectLevel];
		var _modules = null;
		var _moduleCount = 0;
		var _dataCache = null;
		var _dataList = new Array();

		var _this = {};

		var makeImpl = function(test, maskPattern) {

			_moduleCount = _typeNumber * 4 + 17;
			_modules = function(moduleCount) {
				var modules = new Array(moduleCount);
				for (var row = 0; row < moduleCount; row += 1) {
					modules[row] = new Array(moduleCount);
					for (var col = 0; col < moduleCount; col += 1) {
						modules[row][col] = null;
					}
				}
				return modules;
			}(_moduleCount);

			setupPositionProbePattern(0, 0);
			setupPositionProbePattern(_moduleCount - 7, 0);
			setupPositionProbePattern(0, _moduleCount - 7);
			setupPositionAdjustPattern();
			setupTimingPattern();
			setupTypeInfo(test, maskPattern);

			if (_typeNumber >= 7) {
				setupTypeNumber(test);
			}

			if (_dataCache == null) {
				_dataCache = createData(_typeNumber, _errorCorrectLevel, _dataList);
			}

			mapData(_dataCache, maskPattern);
		};

		var setupPositionProbePattern = function(row, col) {

			for (var r = -1; r <= 7; r += 1) {

				if (row + r <= -1 || _moduleCount <= row + r) continue;

				for (var c = -1; c <= 7; c += 1) {

					if (col + c <= -1 || _moduleCount <= col + c) continue;

					if ( (0 <= r && r <= 6 && (c == 0 || c == 6) )
							|| (0 <= c && c <= 6 && (r == 0 || r == 6) )
							|| (2 <= r && r <= 4 && 2 <= c && c <= 4) ) {
						_modules[row + r][col + c] = true;
					} else {
						_modules[row + r][col + c] = false;
					}
				}
			}
		};

		var getBestMaskPattern = function() {

			var minLostPoint = 0;
			var pattern = 0;

			for (var i = 0; i < 8; i += 1) {

				makeImpl(true, i);

				var lostPoint = QRUtil.getLostPoint(_this);

				if (i == 0 || minLostPoint > lostPoint) {
					minLostPoint = lostPoint;
					pattern = i;
				}
			}

			return pattern;
		};

		var setupTimingPattern = function() {

			for (var r = 8; r < _moduleCount - 8; r += 1) {
				if (_modules[r][6] != null) {
					continue;
				}
				_modules[r][6] = (r % 2 == 0);
			}

			for (var c = 8; c < _moduleCount - 8; c += 1) {
				if (_modules[6][c] != null) {
					continue;
				}
				_modules[6][c] = (c % 2 == 0);
			}
		};

		var setupPositionAdjustPattern = function() {

			var pos = QRUtil.getPatternPosition(_typeNumber);

			for (var i = 0; i < pos.length; i += 1) {

				for (var j = 0; j < pos.length; j += 1) {

					var row = pos[i];
					var col = pos[j];

					if (_modules[row][col] != null) {
						continue;
					}

					for (var r = -2; r <= 2; r += 1) {

						for (var c = -2; c <= 2; c += 1) {

							if (r == -2 || r == 2 || c == -2 || c == 2
									|| (r == 0 && c == 0) ) {
								_modules[row + r][col + c] = true;
							} else {
								_modules[row + r][col + c] = false;
							}
						}
					}
				}
			}
		};

		var setupTypeNumber = function(test) {

			var bits = QRUtil.getBCHTypeNumber(_typeNumber);

			for (var i = 0; i < 18; i += 1) {
				var mod = (!test && ( (bits >> i) & 1) == 1);
				_modules[Math.floor(i / 3)][i % 3 + _moduleCount - 8 - 3] = mod;
			}

			for (var i = 0; i < 18; i += 1) {
				var mod = (!test && ( (bits >> i) & 1) == 1);
				_modules[i % 3 + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
			}
		};

		var setupTypeInfo = function(test, maskPattern) {

			var data = (_errorCorrectLevel << 3) | maskPattern;
			var bits = QRUtil.getBCHTypeInfo(data);

			// vertical
			for (var i = 0; i < 15; i += 1) {

				var mod = (!test && ( (bits >> i) & 1) == 1);

				if (i < 6) {
					_modules[i][8] = mod;
				} else if (i < 8) {
					_modules[i + 1][8] = mod;
				} else {
					_modules[_moduleCount - 15 + i][8] = mod;
				}
			}

			// horizontal
			for (var i = 0; i < 15; i += 1) {

				var mod = (!test && ( (bits >> i) & 1) == 1);

				if (i < 8) {
					_modules[8][_moduleCount - i - 1] = mod;
				} else if (i < 9) {
					_modules[8][15 - i - 1 + 1] = mod;
				} else {
					_modules[8][15 - i - 1] = mod;
				}
			}

			// fixed module
			_modules[_moduleCount - 8][8] = (!test);
		};

		var mapData = function(data, maskPattern) {

			var inc = -1;
			var row = _moduleCount - 1;
			var bitIndex = 7;
			var byteIndex = 0;
			var maskFunc = QRUtil.getMaskFunction(maskPattern);

			for (var col = _moduleCount - 1; col > 0; col -= 2) {

				if (col == 6) col -= 1;

				while (true) {

					for (var c = 0; c < 2; c += 1) {

						if (_modules[row][col - c] == null) {

							var dark = false;

							if (byteIndex < data.length) {
								dark = ( ( (data[byteIndex] >>> bitIndex) & 1) == 1);
							}

							var mask = maskFunc(row, col - c);

							if (mask) {
								dark = !dark;
							}

							_modules[row][col - c] = dark;
							bitIndex -= 1;

							if (bitIndex == -1) {
								byteIndex += 1;
								bitIndex = 7;
							}
						}
					}

					row += inc;

					if (row < 0 || _moduleCount <= row) {
						row -= inc;
						inc = -inc;
						break;
					}
				}
			}
		};

		var createBytes = function(buffer, rsBlocks) {

			var offset = 0;

			var maxDcCount = 0;
			var maxEcCount = 0;

			var dcdata = new Array(rsBlocks.length);
			var ecdata = new Array(rsBlocks.length);

			for (var r = 0; r < rsBlocks.length; r += 1) {

				var dcCount = rsBlocks[r].dataCount;
				var ecCount = rsBlocks[r].totalCount - dcCount;

				maxDcCount = Math.max(maxDcCount, dcCount);
				maxEcCount = Math.max(maxEcCount, ecCount);

				dcdata[r] = new Array(dcCount);

				for (var i = 0; i < dcdata[r].length; i += 1) {
					dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset];
				}
				offset += dcCount;

				var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
				var rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1);

				var modPoly = rawPoly.mod(rsPoly);
				ecdata[r] = new Array(rsPoly.getLength() - 1);
				for (var i = 0; i < ecdata[r].length; i += 1) {
					var modIndex = i + modPoly.getLength() - ecdata[r].length;
					ecdata[r][i] = (modIndex >= 0)? modPoly.getAt(modIndex) : 0;
				}
			}

			var totalCodeCount = 0;
			for (var i = 0; i < rsBlocks.length; i += 1) {
				totalCodeCount += rsBlocks[i].totalCount;
			}

			var data = new Array(totalCodeCount);
			var index = 0;

			for (var i = 0; i < maxDcCount; i += 1) {
				for (var r = 0; r < rsBlocks.length; r += 1) {
					if (i < dcdata[r].length) {
						data[index] = dcdata[r][i];
						index += 1;
					}
				}
			}

			for (var i = 0; i < maxEcCount; i += 1) {
				for (var r = 0; r < rsBlocks.length; r += 1) {
					if (i < ecdata[r].length) {
						data[index] = ecdata[r][i];
						index += 1;
					}
				}
			}

			return data;
		};

		var createData = function(typeNumber, errorCorrectLevel, dataList) {

			var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);

			var buffer = qrBitBuffer();

			for (var i = 0; i < dataList.length; i += 1) {
				var data = dataList[i];
				buffer.put(data.getMode(), 4);
				buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) );
				data.write(buffer);
			}

			// calc num max data.
			var totalDataCount = 0;
			for (var i = 0; i < rsBlocks.length; i += 1) {
				totalDataCount += rsBlocks[i].dataCount;
			}

			if (buffer.getLengthInBits() > totalDataCount * 8) {
				throw new Error('code length overflow. ('
					+ buffer.getLengthInBits()
					+ '>'
					+ totalDataCount * 8
					+ ')');
			}

			// end code
			if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
				buffer.put(0, 4);
			}

			// padding
			while (buffer.getLengthInBits() % 8 != 0) {
				buffer.putBit(false);
			}

			// padding
			while (true) {

				if (buffer.getLengthInBits() >= totalDataCount * 8) {
					break;
				}
				buffer.put(PAD0, 8);

				if (buffer.getLengthInBits() >= totalDataCount * 8) {
					break;
				}
				buffer.put(PAD1, 8);
			}

			return createBytes(buffer, rsBlocks);
		};

		_this.addData = function(data) {
			var newData = qr8BitByte(data);
			_dataList.push(newData);
			_dataCache = null;
		};

		_this.isDark = function(row, col) {
			if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
				throw new Error(row + ',' + col);
			}
			return _modules[row][col];
		};

		_this.getModuleCount = function() {
			return _moduleCount;
		};

		_this.make = function() {
			makeImpl(false, getBestMaskPattern() );
		};

		_this.createTableTag = function(cellSize, margin) {

			cellSize = cellSize || 2;
			margin = (typeof margin == 'undefined')? cellSize * 4 : margin;

			var qrHtml = '';

			qrHtml += '<table style="';
			qrHtml += ' border-width: 0px; border-style: none;';
			qrHtml += ' border-collapse: collapse;';
			qrHtml += ' padding: 0px; margin: ' + margin + 'px;';
			qrHtml += '">';
			qrHtml += '<tbody>';

			for (var r = 0; r < _this.getModuleCount(); r += 1) {

				qrHtml += '<tr>';

				for (var c = 0; c < _this.getModuleCount(); c += 1) {
					qrHtml += '<td style="';
					qrHtml += ' border-width: 0px; border-style: none;';
					qrHtml += ' border-collapse: collapse;';
					qrHtml += ' padding: 0px; margin: 0px;';
					qrHtml += ' width: ' + cellSize + 'px;';
					qrHtml += ' height: ' + cellSize + 'px;';
					qrHtml += ' background-color: ';
					qrHtml += _this.isDark(r, c)? '#000000' : '#ffffff';
					qrHtml += ';';
					qrHtml += '"/>';
				}

				qrHtml += '</tr>';
			}

			qrHtml += '</tbody>';
			qrHtml += '</table>';

			return qrHtml;
		};

		_this.createImgTag = function(cellSize, margin) {

			cellSize = cellSize || 2;
			margin = (typeof margin == 'undefined')? cellSize * 4 : margin;

			var size = _this.getModuleCount() * cellSize + margin * 2;
			var min = margin;
			var max = size - margin;

			return createImgTag(size, size, function(x, y) {
				if (min <= x && x < max && min <= y && y < max) {
					var c = Math.floor( (x - min) / cellSize);
					var r = Math.floor( (y - min) / cellSize);
					return _this.isDark(r, c)? 0 : 1;
				} else {
					return 1;
				}
			} );
		};

		return _this;
	};

	//---------------------------------------------------------------------
	// qrcode.stringToBytes
	//---------------------------------------------------------------------

	qrcode.stringToBytes = function(s) {
		var bytes = new Array();
		for (var i = 0; i < s.length; i += 1) {
			var c = s.charCodeAt(i);
			bytes.push(c & 0xff);
		}
		return bytes;
	};

	//---------------------------------------------------------------------
	// qrcode.createStringToBytes
	//---------------------------------------------------------------------

	/**
	 * @param unicodeData base64 string of byte array.
	 * [16bit Unicode],[16bit Bytes], ...
	 * @param numChars
	 */
	qrcode.createStringToBytes = function(unicodeData, numChars) {

		// create conversion map.

		var unicodeMap = function() {

			var bin = base64DecodeInputStream(unicodeData);
			var read = function() {
				var b = bin.read();
				if (b == -1) throw new Error();
				return b;
			};

			var count = 0;
			var unicodeMap = {};
			while (true) {
				var b0 = bin.read();
				if (b0 == -1) break;
				var b1 = read();
				var b2 = read();
				var b3 = read();
				var k = String.fromCharCode( (b0 << 8) | b1);
				var v = (b2 << 8) | b3;
				unicodeMap[k] = v;
				count += 1;
			}
			if (count != numChars) {
				throw new Error(count + ' != ' + numChars);
			}

			return unicodeMap;
		}();

		var unknownChar = '?'.charCodeAt(0);

		return function(s) {
			var bytes = new Array();
			for (var i = 0; i < s.length; i += 1) {
				var c = s.charCodeAt(i);
				if (c < 128) {
					bytes.push(c);
				} else {
					var b = unicodeMap[s.charAt(i)];
					if (typeof b == 'number') {
						if ( (b & 0xff) == b) {
							// 1byte
							bytes.push(b);
						} else {
							// 2bytes
							bytes.push(b >>> 8);
							bytes.push(b & 0xff);
						}
					} else {
						bytes.push(unknownChar);
					}
				}
			}
			return bytes;
		};
	};

	//---------------------------------------------------------------------
	// QRMode
	//---------------------------------------------------------------------

	var QRMode = {
		MODE_NUMBER :		1 << 0,
		MODE_ALPHA_NUM : 	1 << 1,
		MODE_8BIT_BYTE : 	1 << 2,
		MODE_KANJI :		1 << 3
	};

	//---------------------------------------------------------------------
	// QRErrorCorrectLevel
	//---------------------------------------------------------------------

	var QRErrorCorrectLevel = {
		L : 1,
		M : 0,
		Q : 3,
		H : 2
	};

	//---------------------------------------------------------------------
	// QRMaskPattern
	//---------------------------------------------------------------------

	var QRMaskPattern = {
		PATTERN000 : 0,
		PATTERN001 : 1,
		PATTERN010 : 2,
		PATTERN011 : 3,
		PATTERN100 : 4,
		PATTERN101 : 5,
		PATTERN110 : 6,
		PATTERN111 : 7
	};

	//---------------------------------------------------------------------
	// QRUtil
	//---------------------------------------------------------------------

	var QRUtil = function() {

		var PATTERN_POSITION_TABLE = [
			[],
			[6, 18],
			[6, 22],
			[6, 26],
			[6, 30],
			[6, 34],
			[6, 22, 38],
			[6, 24, 42],
			[6, 26, 46],
			[6, 28, 50],
			[6, 30, 54],
			[6, 32, 58],
			[6, 34, 62],
			[6, 26, 46, 66],
			[6, 26, 48, 70],
			[6, 26, 50, 74],
			[6, 30, 54, 78],
			[6, 30, 56, 82],
			[6, 30, 58, 86],
			[6, 34, 62, 90],
			[6, 28, 50, 72, 94],
			[6, 26, 50, 74, 98],
			[6, 30, 54, 78, 102],
			[6, 28, 54, 80, 106],
			[6, 32, 58, 84, 110],
			[6, 30, 58, 86, 114],
			[6, 34, 62, 90, 118],
			[6, 26, 50, 74, 98, 122],
			[6, 30, 54, 78, 102, 126],
			[6, 26, 52, 78, 104, 130],
			[6, 30, 56, 82, 108, 134],
			[6, 34, 60, 86, 112, 138],
			[6, 30, 58, 86, 114, 142],
			[6, 34, 62, 90, 118, 146],
			[6, 30, 54, 78, 102, 126, 150],
			[6, 24, 50, 76, 102, 128, 154],
			[6, 28, 54, 80, 106, 132, 158],
			[6, 32, 58, 84, 110, 136, 162],
			[6, 26, 54, 82, 110, 138, 166],
			[6, 30, 58, 86, 114, 142, 170]
		];
		var G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0);
		var G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0);
		var G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1);

		var _this = {};

		var getBCHDigit = function(data) {
			var digit = 0;
			while (data != 0) {
				digit += 1;
				data >>>= 1;
			}
			return digit;
		};

		_this.getBCHTypeInfo = function(data) {
			var d = data << 10;
			while (getBCHDigit(d) - getBCHDigit(G15) >= 0) {
				d ^= (G15 << (getBCHDigit(d) - getBCHDigit(G15) ) );
			}
			return ( (data << 10) | d) ^ G15_MASK;
		};

		_this.getBCHTypeNumber = function(data) {
			var d = data << 12;
			while (getBCHDigit(d) - getBCHDigit(G18) >= 0) {
				d ^= (G18 << (getBCHDigit(d) - getBCHDigit(G18) ) );
			}
			return (data << 12) | d;
		};

		_this.getPatternPosition = function(typeNumber) {
			return PATTERN_POSITION_TABLE[typeNumber - 1];
		};

		_this.getMaskFunction = function(maskPattern) {

			switch (maskPattern) {

			case QRMaskPattern.PATTERN000 :
				return function(i, j) { return (i + j) % 2 == 0; };
			case QRMaskPattern.PATTERN001 :
				return function(i, j) { return i % 2 == 0; };
			case QRMaskPattern.PATTERN010 :
				return function(i, j) { return j % 3 == 0; };
			case QRMaskPattern.PATTERN011 :
				return function(i, j) { return (i + j) % 3 == 0; };
			case QRMaskPattern.PATTERN100 :
				return function(i, j) { return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0; };
			case QRMaskPattern.PATTERN101 :
				return function(i, j) { return (i * j) % 2 + (i * j) % 3 == 0; };
			case QRMaskPattern.PATTERN110 :
				return function(i, j) { return ( (i * j) % 2 + (i * j) % 3) % 2 == 0; };
			case QRMaskPattern.PATTERN111 :
				return function(i, j) { return ( (i * j) % 3 + (i + j) % 2) % 2 == 0; };

			default :
				throw new Error('bad maskPattern:' + maskPattern);
			}
		};

		_this.getErrorCorrectPolynomial = function(errorCorrectLength) {
			var a = qrPolynomial([1], 0);
			for (var i = 0; i < errorCorrectLength; i += 1) {
				a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0) );
			}
			return a;
		};

		_this.getLengthInBits = function(mode, type) {

			if (1 <= type && type < 10) {

				// 1 - 9

				switch(mode) {
				case QRMode.MODE_NUMBER 	: return 10;
				case QRMode.MODE_ALPHA_NUM 	: return 9;
				case QRMode.MODE_8BIT_BYTE	: return 8;
				case QRMode.MODE_KANJI		: return 8;
				default :
					throw new Error('mode:' + mode);
				}

			} else if (type < 27) {

				// 10 - 26

				switch(mode) {
				case QRMode.MODE_NUMBER 	: return 12;
				case QRMode.MODE_ALPHA_NUM 	: return 11;
				case QRMode.MODE_8BIT_BYTE	: return 16;
				case QRMode.MODE_KANJI		: return 10;
				default :
					throw new Error('mode:' + mode);
				}

			} else if (type < 41) {

				// 27 - 40

				switch(mode) {
				case QRMode.MODE_NUMBER 	: return 14;
				case QRMode.MODE_ALPHA_NUM	: return 13;
				case QRMode.MODE_8BIT_BYTE	: return 16;
				case QRMode.MODE_KANJI		: return 12;
				default :
					throw new Error('mode:' + mode);
				}

			} else {
				throw new Error('type:' + type);
			}
		};

		_this.getLostPoint = function(qrcode) {

			var moduleCount = qrcode.getModuleCount();

			var lostPoint = 0;

			// LEVEL1

			for (var row = 0; row < moduleCount; row += 1) {
				for (var col = 0; col < moduleCount; col += 1) {

					var sameCount = 0;
					var dark = qrcode.isDark(row, col);

					for (var r = -1; r <= 1; r += 1) {

						if (row + r < 0 || moduleCount <= row + r) {
							continue;
						}

						for (var c = -1; c <= 1; c += 1) {

							if (col + c < 0 || moduleCount <= col + c) {
								continue;
							}

							if (r == 0 && c == 0) {
								continue;
							}

							if (dark == qrcode.isDark(row + r, col + c) ) {
								sameCount += 1;
							}
						}
					}

					if (sameCount > 5) {
						lostPoint += (3 + sameCount - 5);
					}
				}
			};

			// LEVEL2

			for (var row = 0; row < moduleCount - 1; row += 1) {
				for (var col = 0; col < moduleCount - 1; col += 1) {
					var count = 0;
					if (qrcode.isDark(row, col) ) count += 1;
					if (qrcode.isDark(row + 1, col) ) count += 1;
					if (qrcode.isDark(row, col + 1) ) count += 1;
					if (qrcode.isDark(row + 1, col + 1) ) count += 1;
					if (count == 0 || count == 4) {
						lostPoint += 3;
					}
				}
			}

			// LEVEL3

			for (var row = 0; row < moduleCount; row += 1) {
				for (var col = 0; col < moduleCount - 6; col += 1) {
					if (qrcode.isDark(row, col)
							&& !qrcode.isDark(row, col + 1)
							&&  qrcode.isDark(row, col + 2)
							&&  qrcode.isDark(row, col + 3)
							&&  qrcode.isDark(row, col + 4)
							&& !qrcode.isDark(row, col + 5)
							&&  qrcode.isDark(row, col + 6) ) {
						lostPoint += 40;
					}
				}
			}

			for (var col = 0; col < moduleCount; col += 1) {
				for (var row = 0; row < moduleCount - 6; row += 1) {
					if (qrcode.isDark(row, col)
							&& !qrcode.isDark(row + 1, col)
							&&  qrcode.isDark(row + 2, col)
							&&  qrcode.isDark(row + 3, col)
							&&  qrcode.isDark(row + 4, col)
							&& !qrcode.isDark(row + 5, col)
							&&  qrcode.isDark(row + 6, col) ) {
						lostPoint += 40;
					}
				}
			}

			// LEVEL4

			var darkCount = 0;

			for (var col = 0; col < moduleCount; col += 1) {
				for (var row = 0; row < moduleCount; row += 1) {
					if (qrcode.isDark(row, col) ) {
						darkCount += 1;
					}
				}
			}

			var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
			lostPoint += ratio * 10;

			return lostPoint;
		};

		return _this;
	}();

	//---------------------------------------------------------------------
	// QRMath
	//---------------------------------------------------------------------

	var QRMath = function() {

		var EXP_TABLE = new Array(256);
		var LOG_TABLE = new Array(256);

		// initialize tables
		for (var i = 0; i < 8; i += 1) {
			EXP_TABLE[i] = 1 << i;
		}
		for (var i = 8; i < 256; i += 1) {
			EXP_TABLE[i] = EXP_TABLE[i - 4]
				^ EXP_TABLE[i - 5]
				^ EXP_TABLE[i - 6]
				^ EXP_TABLE[i - 8];
		}
		for (var i = 0; i < 255; i += 1) {
			LOG_TABLE[EXP_TABLE[i] ] = i;
		}

		var _this = {};

		_this.glog = function(n) {

			if (n < 1) {
				throw new Error('glog(' + n + ')');
			}

			return LOG_TABLE[n];
		};

		_this.gexp = function(n) {

			while (n < 0) {
				n += 255;
			}

			while (n >= 256) {
				n -= 255;
			}

			return EXP_TABLE[n];
		};

		return _this;
	}();

	//---------------------------------------------------------------------
	// qrPolynomial
	//---------------------------------------------------------------------

	function qrPolynomial(num, shift) {

		if (typeof num.length == 'undefined') {
			throw new Error(num.length + '/' + shift);
		}

		var _num = function() {
			var offset = 0;
			while (offset < num.length && num[offset] == 0) {
				offset += 1;
			}
			var _num = new Array(num.length - offset + shift);
			for (var i = 0; i < num.length - offset; i += 1) {
				_num[i] = num[i + offset];
			}
			return _num;
		}();

		var _this = {};

		_this.getAt = function(index) {
			return _num[index];
		};

		_this.getLength = function() {
			return _num.length;
		};

		_this.multiply = function(e) {

			var num = new Array(_this.getLength() + e.getLength() - 1);

			for (var i = 0; i < _this.getLength(); i += 1) {
				for (var j = 0; j < e.getLength(); j += 1) {
					num[i + j] ^= QRMath.gexp(QRMath.glog(_this.getAt(i) ) + QRMath.glog(e.getAt(j) ) );
				}
			}

			return qrPolynomial(num, 0);
		};

		_this.mod = function(e) {

			if (_this.getLength() - e.getLength() < 0) {
				return _this;
			}

			var ratio = QRMath.glog(_this.getAt(0) ) - QRMath.glog(e.getAt(0) );

			var num = new Array(_this.getLength() );
			for (var i = 0; i < _this.getLength(); i += 1) {
				num[i] = _this.getAt(i);
			}

			for (var i = 0; i < e.getLength(); i += 1) {
				num[i] ^= QRMath.gexp(QRMath.glog(e.getAt(i) ) + ratio);
			}

			// recursive call
			return qrPolynomial(num, 0).mod(e);
		};

		return _this;
	};

	//---------------------------------------------------------------------
	// QRRSBlock
	//---------------------------------------------------------------------

	var QRRSBlock = function() {

		var RS_BLOCK_TABLE = [

			// L
			// M
			// Q
			// H

			// 1
			[1, 26, 19],
			[1, 26, 16],
			[1, 26, 13],
			[1, 26, 9],

			// 2
			[1, 44, 34],
			[1, 44, 28],
			[1, 44, 22],
			[1, 44, 16],

			// 3
			[1, 70, 55],
			[1, 70, 44],
			[2, 35, 17],
			[2, 35, 13],

			// 4
			[1, 100, 80],
			[2, 50, 32],
			[2, 50, 24],
			[4, 25, 9],

			// 5
			[1, 134, 108],
			[2, 67, 43],
			[2, 33, 15, 2, 34, 16],
			[2, 33, 11, 2, 34, 12],

			// 6
			[2, 86, 68],
			[4, 43, 27],
			[4, 43, 19],
			[4, 43, 15],

			// 7
			[2, 98, 78],
			[4, 49, 31],
			[2, 32, 14, 4, 33, 15],
			[4, 39, 13, 1, 40, 14],

			// 8
			[2, 121, 97],
			[2, 60, 38, 2, 61, 39],
			[4, 40, 18, 2, 41, 19],
			[4, 40, 14, 2, 41, 15],

			// 9
			[2, 146, 116],
			[3, 58, 36, 2, 59, 37],
			[4, 36, 16, 4, 37, 17],
			[4, 36, 12, 4, 37, 13],

			// 10
			[2, 86, 68, 2, 87, 69],
			[4, 69, 43, 1, 70, 44],
			[6, 43, 19, 2, 44, 20],
			[6, 43, 15, 2, 44, 16]
		];

		var qrRSBlock = function(totalCount, dataCount) {
			var _this = {};
			_this.totalCount = totalCount;
			_this.dataCount = dataCount;
			return _this;
		};

		var _this = {};

		var getRsBlockTable = function(typeNumber, errorCorrectLevel) {

			switch(errorCorrectLevel) {
			case QRErrorCorrectLevel.L :
				return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
			case QRErrorCorrectLevel.M :
				return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
			case QRErrorCorrectLevel.Q :
				return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
			case QRErrorCorrectLevel.H :
				return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
			default :
				return undefined;
			}
		};

		_this.getRSBlocks = function(typeNumber, errorCorrectLevel) {

			var rsBlock = getRsBlockTable(typeNumber, errorCorrectLevel);

			if (typeof rsBlock == 'undefined') {
				throw new Error('bad rs block @ typeNumber:' + typeNumber +
						'/errorCorrectLevel:' + errorCorrectLevel);
			}

			var length = rsBlock.length / 3;

			var list = new Array();

			for (var i = 0; i < length; i += 1) {

				var count = rsBlock[i * 3 + 0];
				var totalCount = rsBlock[i * 3 + 1];
				var dataCount = rsBlock[i * 3 + 2];

				for (var j = 0; j < count; j += 1) {
					list.push(qrRSBlock(totalCount, dataCount) );
				}
			}

			return list;
		};

		return _this;
	}();

	//---------------------------------------------------------------------
	// qrBitBuffer
	//---------------------------------------------------------------------

	var qrBitBuffer = function() {

		var _buffer = new Array();
		var _length = 0;

		var _this = {};

		_this.getBuffer = function() {
			return _buffer;
		};

		_this.getAt = function(index) {
			var bufIndex = Math.floor(index / 8);
			return ( (_buffer[bufIndex] >>> (7 - index % 8) ) & 1) == 1;
		};

		_this.put = function(num, length) {
			for (var i = 0; i < length; i += 1) {
				_this.putBit( ( (num >>> (length - i - 1) ) & 1) == 1);
			}
		};

		_this.getLengthInBits = function() {
			return _length;
		};

		_this.putBit = function(bit) {

			var bufIndex = Math.floor(_length / 8);
			if (_buffer.length <= bufIndex) {
				_buffer.push(0);
			}

			if (bit) {
				_buffer[bufIndex] |= (0x80 >>> (_length % 8) );
			}

			_length += 1;
		};

		return _this;
	};

	//---------------------------------------------------------------------
	// qr8BitByte
	//---------------------------------------------------------------------

	var qr8BitByte = function(data) {

		var _mode = QRMode.MODE_8BIT_BYTE;
		var _data = data;
		var _bytes = qrcode.stringToBytes(data);

		var _this = {};

		_this.getMode = function() {
			return _mode;
		};

		_this.getLength = function(buffer) {
			return _bytes.length;
		};

		_this.write = function(buffer) {
			for (var i = 0; i < _bytes.length; i += 1) {
				buffer.put(_bytes[i], 8);
			}
		};

		return _this;
	};

	//=====================================================================
	// GIF Support etc.
	//

	//---------------------------------------------------------------------
	// byteArrayOutputStream
	//---------------------------------------------------------------------

	var byteArrayOutputStream = function() {

		var _bytes = new Array();

		var _this = {};

		_this.writeByte = function(b) {
			_bytes.push(b & 0xff);
		};

		_this.writeShort = function(i) {
			_this.writeByte(i);
			_this.writeByte(i >>> 8);
		};

		_this.writeBytes = function(b, off, len) {
			off = off || 0;
			len = len || b.length;
			for (var i = 0; i < len; i += 1) {
				_this.writeByte(b[i + off]);
			}
		};

		_this.writeString = function(s) {
			for (var i = 0; i < s.length; i += 1) {
				_this.writeByte(s.charCodeAt(i) );
			}
		};

		_this.toByteArray = function() {
			return _bytes;
		};

		_this.toString = function() {
			var s = '';
			s += '[';
			for (var i = 0; i < _bytes.length; i += 1) {
				if (i > 0) {
					s += ',';
				}
				s += _bytes[i];
			}
			s += ']';
			return s;
		};

		return _this;
	};

	//---------------------------------------------------------------------
	// base64EncodeOutputStream
	//---------------------------------------------------------------------

	var base64EncodeOutputStream = function() {

		var _buffer = 0;
		var _buflen = 0;
		var _length = 0;
		var _base64 = '';

		var _this = {};

		var writeEncoded = function(b) {
			_base64 += String.fromCharCode(encode(b & 0x3f) );
		};

		var encode = function(n) {
			if (n < 0) {
				// error.
			} else if (n < 26) {
				return 0x41 + n;
			} else if (n < 52) {
				return 0x61 + (n - 26);
			} else if (n < 62) {
				return 0x30 + (n - 52);
			} else if (n == 62) {
				return 0x2b;
			} else if (n == 63) {
				return 0x2f;
			}
			throw new Error('n:' + n);
		};

		_this.writeByte = function(n) {

			_buffer = (_buffer << 8) | (n & 0xff);
			_buflen += 8;
			_length += 1;

			while (_buflen >= 6) {
				writeEncoded(_buffer >>> (_buflen - 6) );
				_buflen -= 6;
			}
		};

		_this.flush = function() {

			if (_buflen > 0) {
				writeEncoded(_buffer << (6 - _buflen) );
				_buffer = 0;
				_buflen = 0;
			}

			if (_length % 3 != 0) {
				// padding
				var padlen = 3 - _length % 3;
				for (var i = 0; i < padlen; i += 1) {
					_base64 += '=';
				}
			}
		};

		_this.toString = function() {
			return _base64;
		};

		return _this;
	};

	//---------------------------------------------------------------------
	// base64DecodeInputStream
	//---------------------------------------------------------------------

	var base64DecodeInputStream = function(str) {

		var _str = str;
		var _pos = 0;
		var _buffer = 0;
		var _buflen = 0;

		var _this = {};

		_this.read = function() {

			while (_buflen < 8) {

				if (_pos >= _str.length) {
					if (_buflen == 0) {
						return -1;
					}
					throw new Error('unexpected end of file./' + _buflen);
				}

				var c = _str.charAt(_pos);
				_pos += 1;

				if (c == '=') {
					_buflen = 0;
					return -1;
				} else if (c.match(/^\s$/) ) {
					// ignore if whitespace.
					continue;
				}

				_buffer = (_buffer << 6) | decode(c.charCodeAt(0) );
				_buflen += 6;
			}

			var n = (_buffer >>> (_buflen - 8) ) & 0xff;
			_buflen -= 8;
			return n;
		};

		var decode = function(c) {
			if (0x41 <= c && c <= 0x5a) {
				return c - 0x41;
			} else if (0x61 <= c && c <= 0x7a) {
				return c - 0x61 + 26;
			} else if (0x30 <= c && c <= 0x39) {
				return c - 0x30 + 52;
			} else if (c == 0x2b) {
				return 62;
			} else if (c == 0x2f) {
				return 63;
			} else {
				throw new Error('c:' + c);
			}
		};

		return _this;
	};

	//---------------------------------------------------------------------
	// gifImage (B/W)
	//---------------------------------------------------------------------

	var gifImage = function(width, height) {

		var _width = width;
		var _height = height;
		var _data = new Array(width * height);

		var _this = {};

		_this.setPixel = function(x, y, pixel) {
			_data[y * _width + x] = pixel;
		};

		_this.write = function(out) {

			//---------------------------------
			// GIF Signature

			out.writeString('GIF87a');

			//---------------------------------
			// Screen Descriptor

			out.writeShort(_width);
			out.writeShort(_height);

			out.writeByte(0x80); // 2bit
			out.writeByte(0);
			out.writeByte(0);

			//---------------------------------
			// Global Color Map

			// black
			out.writeByte(0x00);
			out.writeByte(0x00);
			out.writeByte(0x00);

			// white
			out.writeByte(0xff);
			out.writeByte(0xff);
			out.writeByte(0xff);

			//---------------------------------
			// Image Descriptor

			out.writeString(',');
			out.writeShort(0);
			out.writeShort(0);
			out.writeShort(_width);
			out.writeShort(_height);
			out.writeByte(0);

			//---------------------------------
			// Local Color Map

			//---------------------------------
			// Raster Data

			var lzwMinCodeSize = 2;
			var raster = getLZWRaster(lzwMinCodeSize);

			out.writeByte(lzwMinCodeSize);

			var offset = 0;

			while (raster.length - offset > 255) {
				out.writeByte(255);
				out.writeBytes(raster, offset, 255);
				offset += 255;
			}

			out.writeByte(raster.length - offset);
			out.writeBytes(raster, offset, raster.length - offset);
			out.writeByte(0x00);

			//---------------------------------
			// GIF Terminator
			out.writeString(';');
		};

		var bitOutputStream = function(out) {

			var _out = out;
			var _bitLength = 0;
			var _bitBuffer = 0;

			var _this = {};

			_this.write = function(data, length) {

				if ( (data >>> length) != 0) {
					throw new Error('length over');
				}

				while (_bitLength + length >= 8) {
					_out.writeByte(0xff & ( (data << _bitLength) | _bitBuffer) );
					length -= (8 - _bitLength);
					data >>>= (8 - _bitLength);
					_bitBuffer = 0;
					_bitLength = 0;
				}

				_bitBuffer = (data << _bitLength) | _bitBuffer;
				_bitLength = _bitLength + length;
			};

			_this.flush = function() {
				if (_bitLength > 0) {
					_out.writeByte(_bitBuffer);
				}
			};

			return _this;
		};

		var getLZWRaster = function(lzwMinCodeSize) {

			var clearCode = 1 << lzwMinCodeSize;
			var endCode = (1 << lzwMinCodeSize) + 1;
			var bitLength = lzwMinCodeSize + 1;

			// Setup LZWTable
			var table = lzwTable();

			for (var i = 0; i < clearCode; i += 1) {
				table.add(String.fromCharCode(i) );
			}
			table.add(String.fromCharCode(clearCode) );
			table.add(String.fromCharCode(endCode) );

			var byteOut = byteArrayOutputStream();
			var bitOut = bitOutputStream(byteOut);

			// clear code
			bitOut.write(clearCode, bitLength);

			var dataIndex = 0;

			var s = String.fromCharCode(_data[dataIndex]);
			dataIndex += 1;

			while (dataIndex < _data.length) {

				var c = String.fromCharCode(_data[dataIndex]);
				dataIndex += 1;

				if (table.contains(s + c) ) {

					s = s + c;

				} else {

					bitOut.write(table.indexOf(s), bitLength);

					if (table.size() < 0xfff) {

						if (table.size() == (1 << bitLength) ) {
							bitLength += 1;
						}

						table.add(s + c);
					}

					s = c;
				}
			}

			bitOut.write(table.indexOf(s), bitLength);

			// end code
			bitOut.write(endCode, bitLength);

			bitOut.flush();

			return byteOut.toByteArray();
		};

		var lzwTable = function() {

			var _map = {};
			var _size = 0;

			var _this = {};

			_this.add = function(key) {
				if (_this.contains(key) ) {
					throw new Error('dup key:' + key);
				}
				_map[key] = _size;
				_size += 1;
			};

			_this.size = function() {
				return _size;
			};

			_this.indexOf = function(key) {
				return _map[key];
			};

			_this.contains = function(key) {
				return typeof _map[key] != 'undefined';
			};

			return _this;
		};

		return _this;
	};

	var createImgTag = function(width, height, getPixel, alt) {

		var gif = gifImage(width, height);
		for (var y = 0; y < height; y += 1) {
			for (var x = 0; x < width; x += 1) {
				gif.setPixel(x, y, getPixel(x, y) );
			}
		}

		var b = byteArrayOutputStream();
		gif.write(b);

		var base64 = base64EncodeOutputStream();
		var bytes = b.toByteArray();
		for (var i = 0; i < bytes.length; i += 1) {
			base64.writeByte(bytes[i]);
		}
		base64.flush();

		var img = '';
		img += '<img';
		img += '\u0020src="';
		img += 'data:image/gif;base64,';
		img += base64;
		img += '"';
		img += '\u0020width="';
		img += width;
		img += '"';
		img += '\u0020height="';
		img += height;
		img += '"';
		if (alt) {
			img += '\u0020alt="';
			img += alt;
			img += '"';
		}
		img += '/>';

		return img;
	};

	//---------------------------------------------------------------------
	// returns qrcode function.

	return qrcode;
}();

// Source: public/lib/zeroclipboard/ZeroClipboard.min.js
/*!
* ZeroClipboard
* The ZeroClipboard library provides an easy way to copy text to the clipboard using an invisible Adobe Flash movie and a JavaScript interface.
* Copyright (c) 2014 Jon Rohan, James M. Greene
* Licensed MIT
* http://zeroclipboard.org/
* v1.3.2
*/
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