diff --git a/README.md b/README.md
index fbf52fa1..a56807e5 100644
--- a/README.md
+++ b/README.md
@@ -19,8 +19,10 @@ h5ai is provided under the terms of the [MIT License](http://github.com/lrsjng/h
 * [Faenza icon set](http://tiheum.deviantart.com/art/Faenza-Icons-173323228) (GPL)
 * [HTML5 ★ Boilerplate](http://html5boilerplate.com)
 * [jQuery](http://jquery.com) (MIT/GPL)
-* [jQuery.fracs](http://larsjung.de/fracs) (MIT)
+* [jQuery.fracs](http://larsjung.de/fracs/) (MIT)
 * [jQuery.mousewheel](http://github.com/brandonaaron/jquery-mousewheel) (MIT)
+* [jQuery.qrcode](http://larsjung.de/qrcode/) (MIT)
+* [jQuery.scrollpanel](http://larsjung.de/scrollpanel/) (MIT)
 * [modernizr](http://www.modernizr.com) (MIT/BSD)
 * [Moment.js](http://momentjs.com) (MIT)
 * [qrcode](http://www.d-project.com/qrcode/index.html) (MIT)
@@ -33,6 +35,8 @@ h5ai is provided under the terms of the [MIT License](http://github.com/lrsjng/h
 ### v0.21 - *2012-??*
 
 * adds `hu` translation by [Rodolffo](http://github.com/Rodolffo)
+* updates to [jQuery.qrcode](http://larsjung.de/qrcode/) 0.2
+* updates to [jQuery.scrollpanel](http://larsjung.de/scrollpanel/) 0.1
 
 
 ### v0.20 - *2012-05-11*
diff --git a/src/_h5ai/js/inc/ext/tree.js b/src/_h5ai/js/inc/ext/tree.js
index 8295ebd5..014dc0f2 100644
--- a/src/_h5ai/js/inc/ext/tree.js
+++ b/src/_h5ai/js/inc/ext/tree.js
@@ -193,27 +193,33 @@ module.define('ext/tree', [jQuery, 'core/settings', 'core/resource', 'core/event
 				return;
 			}
 
-			var $tree = $('<div id="tree" />').appendTo('body');
+			var $tree = $('<div id="tree" />')
+				.appendTo('body')
+				.scrollpanel()
+				.on('click', '.indicator', createOnIndicatorClick(parser))
+				.on('mouseenter', function () {
+
+					shiftTree(true);
+				})
+				.on('mouseleave', function () {
+
+					shiftTree();
+				});
 
 			fetchTree(entry, parser, function (root) {
 
 				$tree
-					.append(update(root))
-					.scrollpanel()
+					.find('.sp-container').append(update(root)).end()
 					.show();
 
 				adjustSpacing();
 				shiftTree(false, true);
-				$tree.scrollpanel('update');
 			});
 
-			$tree
-				.on('click', '.indicator', createOnIndicatorClick(parser))
-				.on('mouseenter', function () { shiftTree(true); })
-				.on('mouseleave', function () { shiftTree(); });
-
 			event.sub('ready', adjustSpacing);
+
 			$(window).on('resize', function () {
+
 				adjustSpacing();
 				shiftTree();
 			});
diff --git a/src/_h5ai/js/inc/lib/jquery.qrcode-0.2.min.js b/src/_h5ai/js/inc/lib/jquery.qrcode-0.2.min.js
new file mode 100644
index 00000000..99a664b1
--- /dev/null
+++ b/src/_h5ai/js/inc/lib/jquery.qrcode-0.2.min.js
@@ -0,0 +1,2 @@
+/*! jQuery.qrcode 0.2 - //larsjung.de/qrcode - MIT License */
+(function(a){"use strict";var b=function(a,b,c){var d=g(a,b);return d.addData(c),d.make(),d},c=function(a){for(var c=2;c<=40;c+=1)try{return b(c,"L",a)}catch(d){}return null},d=function(b){var d=c(b.text),e=a("<canvas/>").attr("width",b.width).attr("height",b.height),f=e[0].getContext("2d");b.bgColor&&(f.fillStyle=b.bgColor,f.fillRect(0,0,b.width,b.height));if(d){var g=d.getModuleCount(),h=b.width/g,i=b.height/g,j,k;f.beginPath();for(j=0;j<g;j+=1)for(k=0;k<g;k+=1)d.isDark(j,k)&&f.rect(k*h,j*i,h,i);f.fillStyle=b.color,f.fill()}return e},e=function(b){var d=c(b.text),e=a("<div/>").css({position:"relative",left:0,top:0,padding:0,margin:0,width:b.width,height:b.height});b.bgColor&&e.css("background-color",b.bgColor);if(d){var f=d.getModuleCount(),g=Math.floor(b.width/f),h=Math.floor(b.height/f),i=Math.floor(.5*(b.width-g*f)),j=Math.floor(.5*(b.height-h*f)),k,l;for(k=0;k<f;k+=1)for(l=0;l<f;l+=1)d.isDark(k,l)&&a("<div/>").css({left:i+l*g,top:j+k*h}).appendTo(e);e.children().css({position:"absolute",padding:0,margin:0,width:g,height:h,"background-color":b.color})}return e},f={render:"canvas",width:256,height:256,color:"#000",bgColor:null,text:"no text"};a.fn.qrcode=function(b){var c=a.extend({},f,b);return this.each(function(){a(this).append(c.render==="canvas"?d(c):e(c))})};var g=function(){function g(a,b){if(typeof a.length=="undefined")throw new Error(a.length+"/"+b);var c=function(){var c=0;while(c<a.length&&a[c]==0)c+=1;var d=new Array(a.length-c+b);for(var e=0;e<a.length-c;e+=1)d[e]=a[e+c];return d}(),d={};return d.get=function(a){return c[a]},d.getLength=function(){return c.length},d.multiply=function(a){var b=new Array(d.getLength()+a.getLength()-1);for(var c=0;c<d.getLength();c+=1)for(var e=0;e<a.getLength();e+=1)b[c+e]^=f.gexp(f.glog(d.get(c))+f.glog(a.get(e)));return g(b,0)},d.mod=function(a){if(d.getLength()-a.getLength()<0)return d;var b=f.glog(d.get(0))-f.glog(a.get(0)),c=new Array(d.getLength());for(var e=0;e<d.getLength();e+=1)c[e]=d.get(e);for(var e=0;e<a.getLength();e+=1)c[e]^=f.gexp(f.glog(a.get(e))+b);return g(c,0).mod(a)},d}var a=function(a,b){var d=236,f=17,k=a,l=c[b],m=null,n=0,p=null,q=new Array,r={},s=function(a,b){n=k*4+17,m=function(a){var b=new Array(a);for(var c=0;c<a;c+=1){b[c]=new Array(a);for(var d=0;d<a;d+=1)b[c][d]=null}return b}(n),t(0,0),t(n-7,0),t(0,n-7),w(),v(),y(a,b),k>=7&&x(a),p==null&&(p=B(k,l,q)),z(p,b)},t=function(a,b){for(var c=-1;c<=7;c+=1){if(a+c<=-1||n<=a+c)continue;for(var d=-1;d<=7;d+=1){if(b+d<=-1||n<=b+d)continue;0<=c&&c<=6&&(d==0||d==6)||0<=d&&d<=6&&(c==0||c==6)||2<=c&&c<=4&&2<=d&&d<=4?m[a+c][b+d]=!0:m[a+c][b+d]=!1}}},u=function(){var a=0,b=0;for(var c=0;c<8;c+=1){s(!0,c);var d=e.getLostPoint(r);if(c==0||a>d)a=d,b=c}return b},v=function(){for(var a=8;a<n-8;a+=1){if(m[a][6]!=null)continue;m[a][6]=a%2==0}for(var b=8;b<n-8;b+=1){if(m[6][b]!=null)continue;m[6][b]=b%2==0}},w=function(){var a=e.getPatternPosition(k);for(var b=0;b<a.length;b+=1)for(var c=0;c<a.length;c+=1){var d=a[b],f=a[c];if(m[d][f]!=null)continue;for(var g=-2;g<=2;g+=1)for(var h=-2;h<=2;h+=1)g==-2||g==2||h==-2||h==2||g==0&&h==0?m[d+g][f+h]=!0:m[d+g][f+h]=!1}},x=function(a){var b=e.getBCHTypeNumber(k);for(var c=0;c<18;c+=1){var d=!a&&(b>>c&1)==1;m[Math.floor(c/3)][c%3+n-8-3]=d}for(var c=0;c<18;c+=1){var d=!a&&(b>>c&1)==1;m[c%3+n-8-3][Math.floor(c/3)]=d}},y=function(a,b){var c=l<<3|b,d=e.getBCHTypeInfo(c);for(var f=0;f<15;f+=1){var g=!a&&(d>>f&1)==1;f<6?m[f][8]=g:f<8?m[f+1][8]=g:m[n-15+f][8]=g}for(var f=0;f<15;f+=1){var g=!a&&(d>>f&1)==1;f<8?m[8][n-f-1]=g:f<9?m[8][15-f-1+1]=g:m[8][15-f-1]=g}m[n-8][8]=!a},z=function(a,b){var c=-1,d=n-1,f=7,g=0,h=e.getMaskFunction(b);for(var i=n-1;i>0;i-=2){i==6&&(i-=1);for(;;){for(var j=0;j<2;j+=1)if(m[d][i-j]==null){var k=!1;g<a.length&&(k=(a[g]>>>f&1)==1);var l=h(d,i-j);l&&(k=!k),m[d][i-j]=k,f-=1,f==-1&&(g+=1,f=7)}d+=c;if(d<0||n<=d){d-=c,c=-c;break}}}},A=function(a,b){var c=0,d=0,f=0,h=new Array(b.length),i=new Array(b.length);for(var j=0;j<b.length;j+=1){var k=b[j].dataCount,l=b[j].totalCount-k;d=Math.max(d,k),f=Math.max(f,l),h[j]=new Array(k);for(var m=0;m<h[j].length;m+=1)h[j][m]=255&a.getBuffer()[m+c];c+=k;var n=e.getErrorCorrectPolynomial(l),o=g(h[j],n.getLength()-1),p=o.mod(n);i[j]=new Array(n.getLength()-1);for(var m=0;m<i[j].length;m+=1){var q=m+p.getLength()-i[j].length;i[j][m]=q>=0?p.get(q):0}}var r=0;for(var m=0;m<b.length;m+=1)r+=b[m].totalCount;var s=new Array(r),t=0;for(var m=0;m<d;m+=1)for(var j=0;j<b.length;j+=1)m<h[j].length&&(s[t]=h[j][m],t+=1);for(var m=0;m<f;m+=1)for(var j=0;j<b.length;j+=1)m<i[j].length&&(s[t]=i[j][m],t+=1);return s},B=function(a,b,c){var g=h.getRSBlocks(a,b),j=i();for(var k=0;k<c.length;k+=1){var l=c[k];j.put(l.getMode(),4),j.put(l.getLength(),e.getLengthInBits(l.getMode(),a)),l.write(j)}var m=0;for(var k=0;k<g.length;k+=1)m+=g[k].dataCount;if(j.getLengthInBits()>m*8)throw new Error("code length overflow. ("+j.getLengthInBits()+">"+m*8+")");j.getLengthInBits()+4<=m*8&&j.put(0,4);while(j.getLengthInBits()%8!=0)j.putBit(!1);for(;;){if(j.getLengthInBits()>=m*8)break;j.put(d,8);if(j.getLengthInBits()>=m*8)break;j.put(f,8)}return A(j,g)};return r.addData=function(a){var b=j(a);q.push(b),p=null},r.isDark=function(a,b){if(a<0||n<=a||b<0||n<=b)throw new Error(a+","+b);return m[a][b]},r.getModuleCount=function(){return n},r.make=function(){s(!1,u())},r.createTableTag=function(a,b){a=a||2,b=typeof b=="undefined"?a*4:b;var c="";c+='<table style="',c+=" border-width: 0px; border-style: none;",c+=" border-collapse: collapse;",c+=" padding: 0px; margin: "+b+"px;",c+='">',c+="<tbody>";for(var d=0;d<r.getModuleCount();d+=1){c+="<tr>";for(var e=0;e<r.getModuleCount();e+=1)c+='<td style="',c+=" border-width: 0px; border-style: none;",c+=" border-collapse: collapse;",c+=" padding: 0px; margin: 0px;",c+=" width: "+a+"px;",c+=" height: "+a+"px;",c+=" background-color: ",c+=r.isDark(d,e)?"#000000":"#ffffff",c+=";",c+='"/>';c+="</tr>"}return c+="</tbody>",c+="</table>",c},r.createImgTag=function(a,b){a=a||2,b=typeof b=="undefined"?a*4:b;var c=r.getModuleCount()*a+b*2,d=b,e=c-b;return o(c,c,function(b,c){if(d<=b&&b<e&&d<=c&&c<e){var f=Math.floor((b-d)/a),g=Math.floor((c-d)/a);return r.isDark(g,f)?0:1}return 1})},r};a.stringToBytes=function(a){var b=new Array;for(var c=0;c<a.length;c+=1){var d=a.charCodeAt(c);b.push(d&255)}return b},a.createStringToBytes=function(a,b){var c=function(){var c=m(a),d=function(){var a=c.read();if(a==-1)throw new Error;return a},e=0,f={};for(;;){var g=c.read();if(g==-1)break;var h=d(),i=d(),j=d(),k=String.fromCharCode(g<<8|h),l=i<<8|j;f[k]=l,e+=1}if(e!=b)throw new Error(e+" != "+b);return f}(),d="?".charCodeAt(0);return function(a){var b=new Array;for(var e=0;e<a.length;e+=1){var f=a.charCodeAt(e);if(f<128)b.push(f);else{var g=c[a.charAt(e)];typeof 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b};return i.getBCHTypeInfo=function(a){var b=a<<10;while(j(b)-j(c)>=0)b^=c<<j(b)-j(c);return(a<<10|b)^h},i.getBCHTypeNumber=function(a){var b=a<<12;while(j(b)-j(e)>=0)b^=e<<j(b)-j(e);return a<<12|b},i.getPatternPosition=function(b){return a[b-1]},i.getMaskFunction=function(a){switch(a){case d.PATTERN000:return function(a,b){return(a+b)%2==0};case d.PATTERN001:return function(a,b){return a%2==0};case d.PATTERN010:return function(a,b){return b%3==0};case d.PATTERN011:return function(a,b){return(a+b)%3==0};case d.PATTERN100:return function(a,b){return(Math.floor(a/2)+Math.floor(b/3))%2==0};case d.PATTERN101:return function(a,b){return a*b%2+a*b%3==0};case d.PATTERN110:return function(a,b){return(a*b%2+a*b%3)%2==0};case d.PATTERN111:return function(a,b){return(a*b%3+(a+b)%2)%2==0};default:throw new Error("bad maskPattern:"+a)}},i.getErrorCorrectPolynomial=function(a){var b=g([1],0);for(var c=0;c<a;c+=1)b=b.multiply(g([1,f.gexp(c)],0));return b},i.getLengthInBits=function(a,c){if(1<=c&&c<10)switch(a){case b.MODE_NUMBER:return 10;case b.MODE_ALPHA_NUM:return 9;case b.MODE_8BIT_BYTE:return 8;case b.MODE_KANJI:return 8;default:throw new Error("mode:"+a)}else if(c<27)switch(a){case b.MODE_NUMBER:return 12;case b.MODE_ALPHA_NUM:return 11;case b.MODE_8BIT_BYTE:return 16;case b.MODE_KANJI:return 10;default:throw new Error("mode:"+a)}else{if(!(c<41))throw new Error("type:"+c);switch(a){case b.MODE_NUMBER:return 14;case b.MODE_ALPHA_NUM:return 13;case b.MODE_8BIT_BYTE:return 16;case b.MODE_KANJI:return 12;default:throw new Error("mode:"+a)}}},i.getLostPoint=function(a){var b=a.getModuleCount(),c=0;for(var d=0;d<b;d+=1)for(var e=0;e<b;e+=1){var f=0,g=a.isDark(d,e);for(var h=-1;h<=1;h+=1){if(d+h<0||b<=d+h)continue;for(var i=-1;i<=1;i+=1){if(e+i<0||b<=e+i)continue;if(h==0&&i==0)continue;g==a.isDark(d+h,e+i)&&(f+=1)}}f>5&&(c+=3+f-5)}for(var d=0;d<b-1;d+=1)for(var e=0;e<b-1;e+=1){var j=0;a.isDark(d,e)&&(j+=1),a.isDark(d+1,e)&&(j+=1),a.isDark(d,e+1)&&(j+=1),a.isDark(d+1,e+1)&&(j+=1);if(j==0||j==4)c+=3}for(var d=0;d<b;d+=1)for(var e=0;e<b-6;e+=1)a.isDark(d,e)&&!a.isDark(d,e+1)&&a.isDark(d,e+2)&&a.isDark(d,e+3)&&a.isDark(d,e+4)&&!a.isDark(d,e+5)&&a.isDark(d,e+6)&&(c+=40);for(var e=0;e<b;e+=1)for(var d=0;d<b-6;d+=1)a.isDark(d,e)&&!a.isDark(d+1,e)&&a.isDark(d+2,e)&&a.isDark(d+3,e)&&a.isDark(d+4,e)&&!a.isDark(d+5,e)&&a.isDark(d+6,e)&&(c+=40);var k=0;for(var e=0;e<b;e+=1)for(var d=0;d<b;d+=1)a.isDark(d,e)&&(k+=1);var l=Math.abs(100*k/b/b-50)/5;return c+=l*10,c},i}(),f=function(){var a=new Array(256),b=new Array(256);for(var c=0;c<8;c+=1)a[c]=1<<c;for(var c=8;c<256;c+=1)a[c]=a[c-4]^a[c-5]^a[c-6]^a[c-8];for(var c=0;c<255;c+=1)b[a[c]]=c;var d={};return d.glog=function(a){if(a<1)throw new Error("glog("+a+")");return b[a]},d.gexp=function(b){while(b<0)b+=255;while(b>=256)b-=255;return a[b]},d}(),h=function(){var a=[[1,26,19],[1,26,16],[1,26,13],[1,26,9],[1,44,34],[1,44,28],[1,44,22],[1,44,16],[1,70,55],[1,70,44],[2,35,17],[2,35,13],[1,100,80],[2,50,32],[2,50,24],[4,25,9],[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],[2,86,68],[4,43,27],[4,43,19],[4,43,15],[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],[3,145,115,1,146,116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12],[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,43,15,10,44,16],[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],[8,152,122,4,153,123],[22,73,45,3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]],b=function(a,b){var c={};return c.totalCount=a,c.dataCount=b,c},d={},e=function(b,d){switch(d){case c.L:return a[(b-1)*4+0];case c.M:return a[(b-1)*4+1];case c.Q:return a[(b-1)*4+2];case c.H:return a[(b-1)*4+3];default:return undefined}};return d.getRSBlocks=function(a,c){var d=e(a,c);if(typeof d=="undefined")throw new Error("bad rs block @ typeNumber:"+a+"/errorCorrectLevel:"+c);var f=d.length/3,g=new Array;for(var h=0;h<f;h+=1){var i=d[h*3+0],j=d[h*3+1],k=d[h*3+2];for(var l=0;l<i;l+=1)g.push(b(j,k))}return g},d}(),i=function(){var a=new Array,b=0,c={};return c.getBuffer=function(){return a},c.get=function(b){var c=Math.floor(b/8);return(a[c]>>>7-b%8&1)==1},c.put=function(a,b){for(var d=0;d<b;d+=1)c.putBit((a>>>b-d-1&1)==1)},c.getLengthInBits=function(){return b},c.putBit=function(c){var d=Math.floor(b/8);a.length<=d&&a.push(0),c&&(a[d]|=128>>>b%8),b+=1},c},j=function(c){var d=b.MODE_8BIT_BYTE,e=c,f=a.stringToBytes(c),g={};return g.getMode=function(){return d},g.getLength=function(a){return f.length},g.write=function(a){for(var b=0;b<f.length;b+=1)a.put(f[b],8)},g},k=function(){var a=new Array,b={};return b.writeByte=function(b){a.push(b&255)},b.writeShort=function(a){b.writeByte(a),b.writeByte(a>>>8)},b.writeBytes=function(a,c,d){c=c||0,d=d||a.length;for(var e=0;e<d;e+=1)b.writeByte(a[e+c])},b.writeString=function(a){for(var c=0;c<a.length;c+=1)b.writeByte(a.charCodeAt(c))},b.toByteArray=function(){return a},b.toString=function(){var b="";b+="[";for(var c=0;c<a.length;c+=1)c>0&&(b+=","),b+=a[c];return b+="]",b},b},l=function(){var a=0,b=0,c=0,d="",e={},f=function(a){d+=String.fromCharCode(g(a&63))},g=function(a){if(!(a<0)){if(a<26)return 65+a;if(a<52)return 97+(a-26);if(a<62)return 48+(a-52);if(a==62)return 43;if(a==63)return 47}throw new Error("n:"+a)};return e.writeByte=function(d){a=a<<8|d&255,b+=8,c+=1;while(b>=6)f(a>>>b-6),b-=6},e.flush=function(){b>0&&(f(a<<6-b),a=0,b=0);if(c%3!=0){var e=3-c%3;for(var g=0;g<e;g+=1)d+="="}},e.toString=function(){return d},e},m=function(a){var b=a,c=0,d=0,e=0,f={};f.read=function(){while(e<8){if(c>=b.length){if(e==0)return-1;throw new Error("unexpected end of file./"+e)}var a=b.charAt(c);c+=1;if(a=="=")return e=0,-1;if(a.match(/^\s$/))continue;d=d<<6|g(a.charCodeAt(0)),e+=6}var f=d>>>e-8&255;return e-=8,f};var g=function(a){if(65<=a&&a<=90)return a-65;if(97<=a&&a<=122)return a-97+26;if(48<=a&&a<=57)return a-48+52;if(a==43)return 62;if(a==47)return 63;throw new Error("c:"+a)};return f},n=function(a,b){var c=a,d=b,e=new Array(a*b),f={};f.setPixel=function(a,b,d){e[b*c+a]=d},f.write=function(a){a.writeString("GIF87a"),a.writeShort(c),a.writeShort(d),a.writeByte(128),a.writeByte(0),a.writeByte(0),a.writeByte(0),a.writeByte(0),a.writeByte(0),a.writeByte(255),a.writeByte(255),a.writeByte(255),a.writeString(","),a.writeShort(0),a.writeShort(0),a.writeShort(c),a.writeShort(d),a.writeByte(0);var b=2,e=h(b);a.writeByte(b);var f=0;while(e.length-f>255)a.writeByte(255),a.writeBytes(e,f,255),f+=255;a.writeByte(e.length-f),a.writeBytes(e,f,e.length-f),a.writeByte(0),a.writeString(";")};var g=function(a){var b=a,c=0,d=0,e={};return e.write=function(a,e){if(a>>>e!=0)throw new Error("length over");while(c+e>=8)b.writeByte(255&(a<<c|d)),e-=8-c,a>>>=8-c,d=0,c=0;d=a<<c|d,c+=e},e.flush=function(){c>0&&b.writeByte(d)},e},h=function(a){var b=1<<a,c=(1<<a)+1,d=a+1,f=i();for(var h=0;h<b;h+=1)f.add(String.fromCharCode(h));f.add(String.fromCharCode(b)),f.add(String.fromCharCode(c));var j=k(),l=g(j);l.write(b,d);var m=0,n=String.fromCharCode(e[m]);m+=1;while(m<e.length){var o=String.fromCharCode(e[m]);m+=1,f.contains(n+o)?n+=o:(l.write(f.indexOf(n),d),f.size()<4095&&(f.size()==1<<d&&(d+=1),f.add(n+o)),n=o)}return l.write(f.indexOf(n),d),l.write(c,d),l.flush(),j.toByteArray()},i=function(){var a={},b=0,c={};return c.add=function(d){if(c.contains(d))throw new Error("dup key:"+d);a[d]=b,b+=1},c.size=function(){return b},c.indexOf=function(b){return a[b]},c.contains=function(b){return typeof a[b]!="undefined"},c};return f},o=function(a,b,c,d){var e=n(a,b);for(var f=0;f<b;f+=1)for(var g=0;g<a;g+=1)e.setPixel(g,f,c(g,f));var h=k();e.write(h);var i=l(),j=h.toByteArray();for(var m=0;m<j.length;m+=1)i.writeByte(j[m]);i.flush();var o="";return o+="<img",o+=' src="',o+="data:image/gif;base64,",o+=i,o+='"',o+=' width="',o+=a,o+='"',o+=' height="',o+=b,o+='"',d&&(o+=' alt="',o+=d,o+='"'),o+="/>",o};return a}()})(jQuery)
\ No newline at end of file
diff --git a/src/_h5ai/js/inc/lib/jquery.qrcode.js b/src/_h5ai/js/inc/lib/jquery.qrcode.js
deleted file mode 100644
index 1d990be3..00000000
--- a/src/_h5ai/js/inc/lib/jquery.qrcode.js
+++ /dev/null
@@ -1,130 +0,0 @@
-/*!
- * jQuery.qrcode
- * author: Lars Jung
- * license: MIT
- *
- * kudos to http://github.com/jeromeetienne/jquery-qrcode
- */
-(function ($) {
-	'use strict';
-
-	// @include "qrcode.js"
-
-	var createQr = function (typeNumber, correctLevel, text) {
-
-			var qr = new qrcode(typeNumber, correctLevel);
-			qr.addData(text);
-			qr.make();
-
-			return qr;
-		},
-		createBestQr = function (text) {
-
-			for (var type = 2; type <= 10; type += 1) {
-				try {
-					return createQr(type, 'L', text);
-				} catch (err) {}
-			}
-
-			return null;
-		},
-		createCanvas = function (settings) {
-
-			var qr = createBestQr(settings.text),
-				$canvas = $('<canvas/>').attr('width', settings.width).attr('height', settings.height),
-				ctx = $canvas[0].getContext('2d');
-
-			if (settings.bgColor) {
-				ctx.fillStyle = settings.bgColor;
-				ctx.fillRect(0, 0, settings.width, settings.height);
-			}
-
-			if (qr) {
-				var moduleCount = qr.getModuleCount(),
-					moduleWidth = settings.width / moduleCount,
-					moduleHeight = settings.height / moduleCount,
-					row, col;
-
-				ctx.beginPath();
-				for (row = 0; row < moduleCount; row += 1) {
-					for (col = 0; col < moduleCount; col += 1) {
-						if (qr.isDark(row, col)) {
-							ctx.rect(col * moduleWidth, row * moduleHeight, moduleWidth, moduleHeight);
-						}
-					}
-				}
-				ctx.fillStyle = settings.color;
-				ctx.fill();
-			}
-
-			return $canvas;
-		},
-		createDiv = function (settings) {
-
-			var qr = createBestQr(settings.text),
-				$div = $('<div/>').css({
-										position: 'relative',
-										left: 0,
-										top: 0,
-										padding: 0,
-										margin: 0,
-										width: settings.width,
-										height: settings.height
-									});
-
-			if (settings.bgColor) {
-				$div.css('background-color', settings.bgColor);
-			}
-
-			if (qr) {
-				var moduleCount = qr.getModuleCount(),
-					moduleWidth = Math.floor(settings.width / moduleCount),
-					moduleHeight = Math.floor(settings.height / moduleCount),
-					offsetLeft = Math.floor(0.5 * (settings.width - moduleWidth * moduleCount)),
-					offsetTop = Math.floor(0.5 * (settings.height - moduleHeight * moduleCount)),
-					row, col;
-
-				for (row = 0; row < moduleCount; row++) {
-					for (col = 0; col < moduleCount; col++) {
-						if (qr.isDark(row, col)) {
-							$('<div/>')
-								.css({
-									left: offsetLeft + col * moduleWidth,
-									top: offsetTop + row * moduleHeight
-								})
-								.appendTo($div);
-						}
-					}
-				}
-
-				$div.children()
-							.css({
-								position: 'absolute',
-								padding: 0,
-								margin: 0,
-								width: moduleWidth,
-								height: moduleHeight,
-								'background-color': settings.color
-							});
-			}
-
-			return $div;
-		},
-
-		defaults = {
-			render: 'canvas',
-			width: 256,
-			height: 256,
-			color: '#000',
-			bgColor: null,
-			text: 'no text'
-		};
-
-	$.fn.qrcode = function(options) {
-
-		var settings = $.extend({}, defaults, options);
-
-		$(this).append(settings.render === 'canvas' ? createCanvas(settings) : createDiv(settings));
-	};
-
-}(jQuery));
diff --git a/src/_h5ai/js/inc/lib/qrcode.js b/src/_h5ai/js/inc/lib/qrcode.js
deleted file mode 100644
index c80e8177..00000000
--- a/src/_h5ai/js/inc/lib/qrcode.js
+++ /dev/null
@@ -1,1634 +0,0 @@
-//---------------------------------------------------------------------
-//
-// 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.get(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.get = 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.get(i) ) + QRMath.glog(e.get(j) ) );
-				}
-			}
-
-			return qrPolynomial(num, 0);
-		};
-
-		_this.mod = function(e) {
-
-			if (_this.getLength() - e.getLength() < 0) {
-				return _this;
-			}
-
-			var ratio = QRMath.glog(_this.get(0) ) - QRMath.glog(e.get(0) );
-
-			var num = new Array(_this.getLength() );
-			for (var i = 0; i < _this.getLength(); i += 1) {
-				num[i] = _this.get(i);
-			}
-
-			for (var i = 0; i < e.getLength(); i += 1) {
-				num[i] ^= QRMath.gexp(QRMath.glog(e.get(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.get = 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;
-}();
diff --git a/src/_h5ai/js/scripts.js b/src/_h5ai/js/scripts.js
index c1edc8f2..3e40e7e2 100644
--- a/src/_h5ai/js/scripts.js
+++ b/src/_h5ai/js/scripts.js
@@ -4,7 +4,7 @@
 // @include "inc/lib/jquery-1.7.2.min.js"
 // @include "inc/lib/jquery.fracs-0.11.min.js"
 // @include "inc/lib/jquery.mousewheel-3.0.6.js"
-// @include "inc/lib/jquery.qrcode.js"
+// @include "inc/lib/jquery.qrcode-0.2.min.js"
 // @include "inc/lib/jquery.scrollpanel-0.1.min.js"
 
 // underscore libs