!function(a,b){b["true"]=a,/**
 * @license Rangy, a cross-browser JavaScript range and selection library
 * http://code.google.com/p/rangy/
 *
 * Copyright 2012, Tim Down
 * Licensed under the MIT license.
 * Version: 1.2.3
 * Build date: 26 February 2012
 */
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B(a.anchorNode,a.anchorOffset),d=new B(a.focusNode,a.focusOffset),e="function"==typeof a.getName?a.getName():"Selection";if("undefined"!=typeof a.rangeCount)for(var f=0,g=a.rangeCount;g>f;++f)b[f]=y.inspect(a.getRangeAt(f));return"["+e+"(Ranges: "+b.join(", ")+")(anchor: "+c.inspect()+", focus: "+d.inspect()+"]"}a.requireModules(["DomUtil","DomRange","WrappedRange"]),a.config.checkSelectionRanges=!0;var s,t,u="boolean",v="_rangySelection",w=a.dom,x=a.util,y=a.DomRange,z=a.WrappedRange,A=a.DOMException,B=w.DomPosition,C="Control",D=a.util.isHostMethod(window,"getSelection"),E=a.util.isHostObject(document,"selection"),F=E&&(!D||a.config.preferTextRange);F?(s=d,a.isSelectionValid=function(a){var b=(a||window).document,c=b.selection;return"None"!=c.type||w.getDocument(c.createRange().parentElement())==b}):D?(s=c,a.isSelectionValid=function(){return!0}):b.fail("Neither document.selection or window.getSelection() detected."),a.getNativeSelection=s;var 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h=g.cloneRange();g.setStart(f,0),h.setEnd(f,2),c.addRange(g),c.addRange(h),M=2==c.rangeCount,g.detach(),h.detach(),I.removeChild(a)}(),a.features.selectionSupportsMultipleRanges=M,a.features.collapsedNonEditableSelectionsSupported=N;var O,P=!1;I&&x.isHostMethod(I,"createControlRange")&&(O=I.createControlRange(),x.areHostProperties(O,["item","add"])&&(P=!0)),a.features.implementsControlRange=P,t=J?function(a){return a.anchorNode===a.focusNode&&a.anchorOffset===a.focusOffset}:function(a){return a.rangeCount?a.getRangeAt(a.rangeCount-1).collapsed:!1};var Q;x.isHostMethod(G,"getRangeAt")?Q=function(a,b){try{return a.getRangeAt(b)}catch(c){return null}}:J&&(Q=function(b){var c=w.getDocument(b.anchorNode),d=a.createRange(c);return d.setStart(b.anchorNode,b.anchorOffset),d.setEnd(b.focusNode,b.focusOffset),d.collapsed!==this.isCollapsed&&(d.setStart(b.focusNode,b.focusOffset),d.setEnd(b.anchorNode,b.anchorOffset)),d}),a.getSelection=function(a){a=a||window;var b=a[v],c=s(a),e=E?d(a):null;return b?(b.nativeSelection=c,b.docSelection=e,b.refresh(a)):(b=new o(c,e,a),a[v]=b),b},a.getIframeSelection=function(b){return a.getSelection(w.getIframeWindow(b))};var R=o.prototype;if(!F&&J&&x.areHostMethods(G,["removeAllRanges","addRange"])){R.removeAllRanges=function(){this.nativeSelection.removeAllRanges(),g(this)};var S=function(b,c){var d=y.getRangeDocument(c),e=a.createRange(d);e.collapseToPoint(c.endContainer,c.endOffset),b.nativeSelection.addRange(h(e)),b.nativeSelection.extend(c.startContainer,c.startOffset),b.refresh()};R.addRange=L?function(b,c){if(P&&E&&this.docSelection.type==C)n(this,b);else if(c&&K)S(this,b);else{var d;if(M?d=this.rangeCount:(this.removeAllRanges(),d=0),this.nativeSelection.addRange(h(b)),this.rangeCount=this.nativeSelection.rangeCount,this.rangeCount==d+1){if(a.config.checkSelectionRanges){var f=Q(this.nativeSelection,this.rangeCount-1);f&&!y.rangesEqual(f,b)&&(b=new z(f))}this._ranges[this.rangeCount-1]=b,e(this,b,V(this.nativeSelection)),this.isCollapsed=t(this)}else this.refresh()}}:function(a,b){b&&K?S(this,a):(this.nativeSelection.addRange(h(a)),this.refresh())},R.setRanges=function(a){if(P&&a.length>1)p(this,a);else{this.removeAllRanges();for(var b=0,c=a.length;c>b;++b)this.addRange(a[b])}}}else{if(!(x.isHostMethod(G,"empty")&&x.isHostMethod(H,"select")&&P&&F))return b.fail("No means of selecting a Range or TextRange was found"),!1;R.removeAllRanges=function(){try{if(this.docSelection.empty(),"None"!=this.docSelection.type){var a;if(this.anchorNode)a=w.getDocument(this.anchorNode);else if(this.docSelection.type==C){var b=this.docSelection.createRange();b.length&&(a=w.getDocument(b.item(0)).body.createTextRange())}if(a){var c=a.body.createTextRange();c.select(),this.docSelection.empty()}}}catch(d){}g(this)},R.addRange=function(a){this.docSelection.type==C?n(this,a):(z.rangeToTextRange(a).select(),this._ranges[0]=a,this.rangeCount=1,this.isCollapsed=this._ranges[0].collapsed,e(this,a,!1))},R.setRanges=function(a){this.removeAllRanges();var b=a.length;b>1?p(this,a):b&&this.addRange(a[0])}}R.getRangeAt=function(a){if(0>a||a>=this.rangeCount)throw new A("INDEX_SIZE_ERR");return this._ranges[a]};var T;if(F)T=function(b){var c;a.isSelectionValid(b.win)?c=b.docSelection.createRange():(c=w.getBody(b.win.document).createTextRange(),c.collapse(!0)),b.docSelection.type==C?m(b):k(c)?l(b,c):g(b)};else if(x.isHostMethod(G,"getRangeAt")&&"number"==typeof G.rangeCount)T=function(b){if(P&&E&&b.docSelection.type==C)m(b);else if(b._ranges.length=b.rangeCount=b.nativeSelection.rangeCount,b.rangeCount){for(var c=0,d=b.rangeCount;d>c;++c)b._ranges[c]=new a.WrappedRange(b.nativeSelection.getRangeAt(c));e(b,b._ranges[b.rangeCount-1],V(b.nativeSelection)),b.isCollapsed=t(b)}else g(b)};else{if(!J||typeof G.isCollapsed!=u||typeof H.collapsed!=u||!a.features.implementsDomRange)return b.fail("No means of obtaining a Range or TextRange from the user's selection was found"),!1;T=function(a){var b,c=a.nativeSelection;c.anchorNode?(b=Q(c,0),a._ranges=[b],a.rangeCount=1,f(a),a.isCollapsed=t(a)):g(a)}}R.refresh=function(a){var b=a?this._ranges.slice(0):null;if(T(this),a){var c=b.length;if(c!=this._ranges.length)return!1;for(;c--;)if(!y.rangesEqual(b[c],this._ranges[c]))return!1;return!0}};var U=function(a,b){var c=a.getAllRanges(),d=!1;a.removeAllRanges();for(var e=0,f=c.length;f>e;++e)d||b!==c[e]?a.addRange(c[e]):d=!0;a.rangeCount||g(a)};R.removeRange=P?function(a){if(this.docSelection.type==C){for(var b,c=this.docSelection.createRange(),d=j(a),e=w.getDocument(c.item(0)),f=w.getBody(e).createControlRange(),g=!1,h=0,i=c.length;i>h;++h)b=c.item(h),b!==d||g?f.add(c.item(h)):g=!0;f.select(),m(this)}else U(this,a)}:function(a){U(this,a)};var V;!F&&J&&a.features.implementsDomRange?(V=function(a){var b=!1;return a.anchorNode&&(b=1==w.comparePoints(a.anchorNode,a.anchorOffset,a.focusNode,a.focusOffset)),b},R.isBackwards=function(){return V(this)}):V=R.isBackwards=function(){return!1},R.toString=function(){for(var a=[],b=0,c=this.rangeCount;c>b;++b)a[b]=""+this._ranges[b];return a.join("")},R.collapse=function(b,c){q(this,b);var d=a.createRange(w.getDocument(b));d.collapseToPoint(b,c),this.removeAllRanges(),this.addRange(d),this.isCollapsed=!0},R.collapseToStart=function(){if(!this.rangeCount)throw new A("INVALID_STATE_ERR");var a=this._ranges[0];this.collapse(a.startContainer,a.startOffset)},R.collapseToEnd=function(){if(!this.rangeCount)throw new A("INVALID_STATE_ERR");var a=this._ranges[this.rangeCount-1];this.collapse(a.endContainer,a.endOffset)},R.selectAllChildren=function(b){q(this,b);var c=a.createRange(w.getDocument(b));c.selectNodeContents(b),this.removeAllRanges(),this.addRange(c)},R.deleteFromDocument=function(){if(P&&E&&this.docSelection.type==C){for(var a,b=this.docSelection.createRange();b.length;)a=b.item(0),b.remove(a),a.parentNode.removeChild(a);this.refresh()}else if(this.rangeCount){var c=this.getAllRanges();this.removeAllRanges();for(var d=0,e=c.length;e>d;++d)c[d].deleteContents();this.addRange(c[e-1])}},R.getAllRanges=function(){return this._ranges.slice(0)},R.setSingleRange=function(a){this.setRanges([a])},R.containsNode=function(a,b){for(var c=0,d=this._ranges.length;d>c;++c)if(this._ranges[c].containsNode(a,b))return!0;return!1},R.toHtml=function(){var a="";if(this.rangeCount){for(var b=y.getRangeDocument(this._ranges[0]).createElement("div"),c=0,d=this._ranges.length;d>c;++c)b.appendChild(this._ranges[c].cloneContents());a=b.innerHTML}return a},R.getName=function(){return"WrappedSelection"},R.inspect=function(){return r(this)},R.detach=function(){this.win[v]=null,this.win=this.anchorNode=this.focusNode=null},o.inspect=r,a.Selection=o,a.selectionPrototype=R,a.addCreateMissingNativeApiListener(function(b){"undefined"==typeof b.getSelection&&(b.getSelection=function(){return a.getSelection(this)}),b=null})}),/**
 * @license Selection save and restore module for Rangy.
 * Saves and restores user selections using marker invisible elements in the DOM.
 *
 * Part of Rangy, a cross-browser JavaScript range and selection library
 * http://code.google.com/p/rangy/
 *
 * Depends on Rangy core.
 *
 * Copyright 2012, Tim Down
 * Licensed under the MIT license.
 * Version: 1.2.3
 * Build date: 26 February 2012
 */
rangy.createModule("SaveRestore",function(a,b){function c(a,b){return(b||document).getElementById(a)}function d(a,b){var c,d="selectionBoundary_"+ +new Date+"_"+(""+Math.random()).slice(2),e=k.getDocument(a.startContainer),f=a.cloneRange();return f.collapse(b),c=e.createElement("span"),c.id=d,c.style.lineHeight="0",c.style.display="none",c.className="rangySelectionBoundary",c.appendChild(e.createTextNode(l)),f.insertNode(c),f.detach(),c}function e(a,d,e,f){var g=c(e,a);g?(d[f?"setStartBefore":"setEndBefore"](g),g.parentNode.removeChild(g)):b.warn("Marker element has been removed. Cannot restore selection.")}function f(a,b){return b.compareBoundaryPoints(a.START_TO_START,a)}function g(e){e=e||window;var g=e.document;if(!a.isSelectionValid(e))return void b.warn("Cannot save selection. This usually happens when the selection is collapsed and the selection document has lost focus.");var h,i,j,k=a.getSelection(e),l=k.getAllRanges(),m=[];l.sort(f);for(var n=0,o=l.length;o>n;++n)j=l[n],j.collapsed?(i=d(j,!1),m.push({markerId:i.id,collapsed:!0})):(i=d(j,!1),h=d(j,!0),m[n]={startMarkerId:h.id,endMarkerId:i.id,collapsed:!1,backwards:1==l.length&&k.isBackwards()});for(n=o-1;n>=0;--n)j=l[n],j.collapsed?j.collapseBefore(c(m[n].markerId,g)):(j.setEndBefore(c(m[n].endMarkerId,g)),j.setStartAfter(c(m[n].startMarkerId,g)));return k.setRanges(l),{win:e,doc:g,rangeInfos:m,restored:!1}}function h(d,f){if(!d.restored){for(var g,h,i=d.rangeInfos,j=a.getSelection(d.win),k=[],l=i.length,m=l-1;m>=0;--m){if(g=i[m],h=a.createRange(d.doc),g.collapsed){var n=c(g.markerId,d.doc);if(n){n.style.display="inline";var o=n.previousSibling;o&&3==o.nodeType?(n.parentNode.removeChild(n),h.collapseToPoint(o,o.length)):(h.collapseBefore(n),n.parentNode.removeChild(n))}else b.warn("Marker element has been removed. Cannot restore selection.")}else e(d.doc,h,g.startMarkerId,!0),e(d.doc,h,g.endMarkerId,!1);1==l&&h.normalizeBoundaries(),k[m]=h}1==l&&f&&a.features.selectionHasExtend&&i[0].backwards?(j.removeAllRanges(),j.addRange(k[0],!0)):j.setRanges(k),d.restored=!0}}function i(a,b){var d=c(b,a);d&&d.parentNode.removeChild(d)}function j(a){for(var b,c=a.rangeInfos,d=0,e=c.length;e>d;++d)b=c[d],b.collapsed?i(a.doc,b.markerId):(i(a.doc,b.startMarkerId),i(a.doc,b.endMarkerId))}a.requireModules(["DomUtil","DomRange","WrappedRange"]);var k=a.dom,l="";a.saveSelection=g,a.restoreSelection=h,a.removeMarkerElement=i,a.removeMarkers=j})}({},function(){return this}());