/**
 * Rangy, a cross-browser JavaScript range and selection library
 * http://code.google.com/p/rangy/
 *
 * Copyright 2013, Tim Down
 * Licensed under the MIT license.
 * Version: 1.3alpha.780M
 * Build date: 17 May 2013
 */
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a.nodeType==3||a.nodeType==4?a.data.slice(this.startOffset,this.endOffset):"";var b=[],c=new D(this,!0);return y(c,function(a){(a.nodeType==3||a.nodeType==4)&&b.push(a.data)}),c.detach(),b.join("")},compareNode:function(a){Y(this);var b=a.parentNode,c=h(a);if(!b)throw new f("NOT_FOUND_ERR");var d=this.comparePoint(b,c),e=this.comparePoint(b,c+1);return d<0?e>0?jb:hb:e>0?ib:kb},comparePoint:function(a,b){return Y(this),U(a,"HIERARCHY_REQUEST_ERR"),S(a,this.startContainer),k(a,b,this.startContainer,this.startOffset)<0?-1:k(a,b,this.endContainer,this.endOffset)>0?1:0},createContextualFragment:ab,toHtml:function(){Y(this);var a=this.commonAncestorContainer.parentNode.cloneNode(!1);return a.appendChild(this.cloneContents()),a.innerHTML},intersectsNode:function(a,b){Y(this),U(a,"NOT_FOUND_ERR");if(j(a)!==s(this))return!1;var c=a.parentNode,d=h(a);U(c,"NOT_FOUND_ERR");var e=k(c,d,this.endContainer,this.endOffset),f=k(c,d+1,this.startContainer,this.startOffset);return b?e<=0&&f>=0:e<0&&f>0},isPointInRange:function(a,b){return Y(this),U(a,"HIERARCHY_REQUEST_ERR"),S(a,this.startContainer),k(a,b,this.startContainer,this.startOffset)>=0&&k(a,b,this.endContainer,this.endOffset)<=0},intersectsRange:function(a){return w(this,a,!1)},intersectsOrTouchesRange:function(a){return w(this,a,!0)},intersection:function(a){if(this.intersectsRange(a)){var b=k(this.startContainer,this.startOffset,a.startContainer,a.startOffset),c=k(this.endContainer,this.endOffset,a.endContainer,a.endOffset),d=this.cloneRange();return b==-1&&d.setStart(a.startContainer,a.startOffset),c==1&&d.setEnd(a.endContainer,a.endOffset),d}return null},union:function(a){if(this.intersectsOrTouchesRange(a)){var b=this.cloneRange();return k(a.startContainer,a.startOffset,this.startContainer,this.startOffset)==-1&&b.setStart(a.startContainer,a.startOffset),k(a.endContainer,a.endOffset,this.endContainer,this.endOffset)==1&&b.setEnd(a.endContainer,a.endOffset),b}throw new E("Ranges do not 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f&&(e.setEnd(f.startContainer,f.startOffset),g=e.toString().length,h=g+f.toString().length,e.detach()),{start:g,end:h,containerNode:b}},moveToBookmark:function(a){var b=a.containerNode,c=0;this.setStart(b,0),this.collapse(!0);var d=[b],e,f=!1,g=!1,h,i,j;while(!g&&(e=d.pop()))if(e.nodeType==3)h=c+e.length,!f&&a.start>=c&&a.start<=h&&(this.setStart(e,a.start-c),f=!0),f&&a.end>=c&&a.end<=h&&(this.setEnd(e,a.end-c),g=!0),c=h;else{j=e.childNodes,i=j.length;while(i--)d.push(j[i])}},getName:function(){return"DomRange"},equals:function(a){return sb.rangesEqual(this,a)},isValid:function(){return X(this)},inspect:function(){return C(this)}}),ob(sb,qb,rb),d.extend(sb,{rangeProperties:cb,RangeIterator:D,copyComparisonConstants:mb,createPrototypeRange:ob,inspect:C,getRangeDocument:s,rangesEqual:function(a,b){return a.startContainer===b.startContainer&&a.startOffset===b.startOffset&&a.endContainer===b.endContainer&&a.endOffset===b.endOffset}}),a.DomRange=sb,a.RangeException=E}),rangy.createCoreModule("WrappedRange",["DomRange"],function(a,b){var c,d,e=a.dom,f=a.util,g=e.DomPosition,h=a.DomRange,i=e.getBody,j=e.getContentDocument,k=e.isCharacterDataNode;a.features.implementsDomRange&&function(){function k(a){var b=g.length,c;while(b--)c=g[b],a[c]=a.nativeRange[c];a.collapsed=a.startContainer===a.endContainer&&a.startOffset===a.endOffset}function l(a,b,c,d,e){var f=a.startContainer!==b||a.startOffset!=c,g=a.endContainer!==d||a.endOffset!=e,h=!a.equals(a.nativeRange);if(f||g||h)a.setEnd(d,e),a.setStart(b,c)}function m(a){a.nativeRange.detach(),a.detached=!0;var b=g.length;while(b--)a[g[b]]=null}var d,g=h.rangeProperties,n;c=function(a){if(!a)throw b.createError("WrappedRange: Range must be 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function(b){this.nativeRange[a](b),k(this)}}}catch(q){d.setStart=function(a,b){try{this.nativeRange.setStart(a,b)}catch(c){this.nativeRange.setEnd(a,b),this.nativeRange.setStart(a,b)}k(this)},d.setEnd=function(a,b){try{this.nativeRange.setEnd(a,b)}catch(c){this.nativeRange.setStart(a,b),this.nativeRange.setEnd(a,b)}k(this)},n=function(a,b){return function(c){try{this.nativeRange[a](c)}catch(d){this.nativeRange[b](c),this.nativeRange[a](c)}k(this)}}}d.setStartBefore=n("setStartBefore","setEndBefore"),d.setStartAfter=n("setStartAfter","setEndAfter"),d.setEndBefore=n("setEndBefore","setStartBefore"),d.setEndAfter=n("setEndAfter","setStartAfter"),d.selectNodeContents=function(a){this.setStartAndEnd(a,0,e.getNodeLength(a))},p.selectNodeContents(o),p.setEnd(o,3);var r=document.createRange();r.selectNodeContents(o),r.setEnd(o,4),r.setStart(o,2),p.compareBoundaryPoints(p.START_TO_END,r)==-1&&p.compareBoundaryPoints(p.END_TO_START,r)==1?d.compareBoundaryPoints=function(a,b){return b=b.nativeRange||b,a==b.START_TO_END?a=b.END_TO_START:a==b.END_TO_START&&(a=b.START_TO_END),this.nativeRange.compareBoundaryPoints(a,b)}:d.compareBoundaryPoints=function(a,b){return this.nativeRange.compareBoundaryPoints(a,b.nativeRange||b)};var s=document.createElement("div");s.innerHTML="123";var t=s.firstChild,u=i(document);u.appendChild(s),p.setStart(t,1),p.setEnd(t,2),p.deleteContents(),t.data=="13"&&(d.deleteContents=function(){this.nativeRange.deleteContents(),k(this)},d.extractContents=function(){var a=this.nativeRange.extractContents();return k(this),a}),u.removeChild(s),u=null,f.isHostMethod(p,"createContextualFragment")&&(d.createContextualFragment=function(a){return this.nativeRange.createContextualFragment(a)}),i(document).removeChild(o),p.detach(),r.detach(),d.getName=function(){return"WrappedRange"},a.WrappedRange=c,a.createNativeRange=function(a){return a=j(a,b,"createNativeRange"),a.createRange()}}();if(a.features.implementsTextRange){var l=function(a){var b=a.parentElement(),c=a.duplicate();c.collapse(!0);var d=c.parentElement();c=a.duplicate(),c.collapse(!1);var f=c.parentElement(),g=d==f?d:e.getCommonAncestor(d,f);return g==b?g:e.getCommonAncestor(b,g)},m=function(a){return a.compareEndPoints("StartToEnd",a)==0},n=function(a,b,c,d,f){var h=a.duplicate();h.collapse(c);var i=h.parentElement();e.isOrIsAncestorOf(b,i)||(i=b);if(!i.canHaveHTML){var j=new g(i.parentNode,e.getNodeIndex(i));return{boundaryPosition:j,nodeInfo:{nodeIndex:j.offset,containerElement:j.node}}}var l=e.getDocument(i).createElement("span");l.parentNode&&l.parentNode.removeChild(l);var m,n=c?"StartToStart":"StartToEnd",o,p,q,r,s=f&&f.containerElement==i?f.nodeIndex:0,t=i.childNodes.length,u=t,v=u;for(;;){v==t?i.appendChild(l):i.insertBefore(l,i.childNodes[v]),h.moveToElementText(l),m=h.compareEndPoints(n,a);if(m==0||s==u)break;if(m==-1){if(u==s+1)break;s=v}else 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m?(c=a.node,d=c.parentNode):(j=a.node.childNodes,c=f<j.length?j[f]:null,d=a.node),h=g.createElement("span"),h.innerHTML="&#feff;",c?d.insertBefore(h,c):d.appendChild(h),l.moveToElementText(h),l.collapse(!b),d.removeChild(h),m&&l[b?"moveStart":"moveEnd"]("character",f),l};d=function(a){this.textRange=a,this.refresh()},d.prototype=new h(document),d.prototype.refresh=function(){var a,b,c,d=l(this.textRange);m(this.textRange)?b=a=n(this.textRange,d,!0,!0).boundaryPosition:(c=n(this.textRange,d,!0,!1),a=c.boundaryPosition,b=n(this.textRange,d,!1,!1,c.nodeInfo).boundaryPosition),this.setStart(a.node,a.offset),this.setEnd(b.node,b.offset)},d.prototype.getName=function(){return"WrappedTextRange"},h.copyComparisonConstants(d),d.rangeToTextRange=function(a){if(a.collapsed)return o(new g(a.startContainer,a.startOffset),!0);var b=o(new g(a.startContainer,a.startOffset),!0),c=o(new g(a.endContainer,a.endOffset),!1),d=i(h.getRangeDocument(a)).createTextRange();return 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a.createRange(c)}),c=b=null})}),rangy.createCoreModule("WrappedSelection",["DomRange","WrappedRange"],function(a,b){function r(a){return typeof a=="string"?a=="backward":!!a}function s(a,c){if(!a)return window;if(d.isWindow(a))return a;if(a instanceof T)return a.win;var e=d.getContentDocument(a,b,c);return d.getWindow(e)}function t(a){return s(a,"getWinSelection").getSelection()}function u(a){return s(a,"getDocSelection").document.selection}function I(a,b,c){var d=c?"end":"start",e=c?"start":"end";a.anchorNode=b[d+"Container"],a.anchorOffset=b[d+"Offset"],a.focusNode=b[e+"Container"],a.focusOffset=b[e+"Offset"]}function J(a){var b=a.nativeSelection;a.anchorNode=b.anchorNode,a.anchorOffset=b.anchorOffset,a.focusNode=b.focusNode,a.focusOffset=b.focusOffset}function K(a){a.anchorNode=a.focusNode=null,a.anchorOffset=a.focusOffset=0,a.rangeCount=0,a.isCollapsed=!0,a._ranges.length=0}function L(b){var c;return b instanceof g?(c=a.createNativeRange(b.getDocument()),c.setEnd(b.endContainer,b.endOffset),c.setStart(b.startContainer,b.startOffset)):b instanceof h?c=b.nativeRange:m.implementsDomRange&&b instanceof d.getWindow(b.startContainer).Range&&(c=b),c}function M(a){if(!a.length||a[0].nodeType!=1)return!1;for(var b=1,c=a.length;b<c;++b)if(!d.isAncestorOf(a[0],a[b]))return!1;return!0}function N(a){var c=a.getNodes();if(!M(c))throw b.createError("getSingleElementFromRange: range "+a.inspect()+" did not consist of a single element");return c[0]}function O(a){return!!a&&typeof a.text!="undefined"}function P(a,b){var c=new h(b);a._ranges=[c],I(a,c,!1),a.rangeCount=1,a.isCollapsed=c.collapsed}function Q(b){b._ranges.length=0;if(b.docSelection.type=="None")K(b);else{var c=b.docSelection.createRange();if(O(c))P(b,c);else{b.rangeCount=c.length;var d,e=o(c.item(0));for(var 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if(f(y,"getRangeAt")&&typeof y.rangeCount=="number")_=function(b){if(G&&w&&b.docSelection.type==n)Q(b);else{b._ranges.length=b.rangeCount=b.nativeSelection.rangeCount;if(b.rangeCount){for(var c=0,d=b.rangeCount;c<d;++c)b._ranges[c]=new a.WrappedRange(b.nativeSelection.getRangeAt(c));I(b,b._ranges[b.rangeCount-1],bb(b.nativeSelection)),b.isCollapsed=l(b)}else K(b)}};else{if(!B||typeof y.isCollapsed!=c||typeof z.collapsed!=c||!m.implementsDomRange)return b.fail("No means of obtaining a Range or TextRange from the user's selection was found"),!1;_=function(a){var b,c=a.nativeSelection;c.anchorNode?(b=S(c,0),a._ranges=[b],a.rangeCount=1,J(a),a.isCollapsed=l(a)):K(a)}}Y.refresh=function(a){var b=a?this._ranges.slice(0):null,c=this.anchorNode,d=this.anchorOffset;_(this);if(a){var e=b.length;if(e!=this._ranges.length)return!0;if(this.anchorNode!=c||this.anchorOffset!=d)return!0;while(e--)if(!q(b[e],this._ranges[e]))return!0;return!1}};var ab=function(a,b){var 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