// SpryDOMUtils.js - version 0.6 - Spry Pre-Release 1.6
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//
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// Copyright (c) 2007. Adobe Systems Incorporated.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Adobe Systems Incorporated nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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var Spry;if(!Spry)Spry={};if(!Spry.Utils)Spry.Utils={};Spry.$=function(element)
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{if(arguments.length>1)
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{for(var i=0,elements=[],length=arguments.length;i<length;i++)
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elements.push(Spry.$(arguments[i]));return elements;}
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if(typeof element=='string')
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element=document.getElementById(element);return element;};Spry.Utils.setAttribute=function(ele,name,value)
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{ele=Spry.$(ele);if(!ele||!name)
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return;if(name=="class")
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ele.className=value;else
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ele.setAttribute(name,value);};Spry.Utils.removeAttribute=function(ele,name)
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{ele=Spry.$(ele);if(!ele||!name)
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return;try
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{ele.removeAttribute(name);if(name=="class")
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ele.removeAttribute("className");}catch(e){}};Spry.Utils.addClassName=function(ele,className)
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{ele=Spry.$(ele);if(!ele||!className||(ele.className&&ele.className.search(new RegExp("\\b"+className+"\\b"))!=-1))
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return;ele.className+=(ele.className?" ":"")+className;};Spry.Utils.removeClassName=function(ele,className)
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{ele=Spry.$(ele);if(Spry.Utils.hasClassName(ele,className))
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ele.className=ele.className.replace(new RegExp("\\s*\\b"+className+"\\b","g"),"");};Spry.Utils.toggleClassName=function(ele,className)
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{if(Spry.Utils.hasClassName(ele,className))
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Spry.Utils.removeClassName(ele,className);else
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Spry.Utils.addClassName(ele,className);};Spry.Utils.hasClassName=function(ele,className)
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{ele=Spry.$(ele);if(!ele||!className||!ele.className||ele.className.search(new RegExp("\\b"+className+"\\b"))==-1)
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return false;return true;};Spry.Utils.camelizeString=function(str)
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{var cStr="";var a=str.split("-");for(var i=0;i<a.length;i++)
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{var s=a[i];if(s)
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cStr=cStr?(cStr+s.charAt(0).toUpperCase()+s.substring(1)):s;}
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return cStr;};Spry.Utils.styleStringToObject=function(styleStr)
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{var o={};if(styleStr)
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{pvA=styleStr.split(";");for(var i=0;i<pvA.length;i++)
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{var pv=pvA[i];if(pv&&pv.indexOf(":")!=-1)
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{var nvA=pv.split(":");var n=nvA[0].replace(/^\s*|\s*$/g,"");var v=nvA[1].replace(/^\s*|\s*$/g,"");if(n&&v)
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o[Spry.Utils.camelizeString(n)]=v;}}}
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return o;};Spry.Utils.addEventListener=function(element,eventType,handler,capture)
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{try
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{if(!Spry.Utils.eventListenerIsBoundToElement(element,eventType,handler,capture))
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{element=Spry.$(element);handler=Spry.Utils.bindEventListenerToElement(element,eventType,handler,capture);if(element.addEventListener)
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element.addEventListener(eventType,handler,capture);else if(element.attachEvent)
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element.attachEvent("on"+eventType,handler);}}
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catch(e){}};Spry.Utils.removeEventListener=function(element,eventType,handler,capture)
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{try
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{element=Spry.$(element);handler=Spry.Utils.unbindEventListenerFromElement(element,eventType,handler,capture);if(element.removeEventListener)
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element.removeEventListener(eventType,handler,capture);else if(element.detachEvent)
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element.detachEvent("on"+eventType,handler);}
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catch(e){}};Spry.Utils.eventListenerHash={};Spry.Utils.nextEventListenerID=1;Spry.Utils.getHashForElementAndHandler=function(element,eventType,handler,capture)
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{var hash=null;element=Spry.$(element);if(element)
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{if(typeof element.spryEventListenerID=="undefined")
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element.spryEventListenerID="e"+(Spry.Utils.nextEventListenerID++);if(typeof handler.spryEventHandlerID=="undefined")
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handler.spryEventHandlerID="h"+(Spry.Utils.nextEventListenerID++);hash=element.spryEventListenerID+"-"+handler.spryEventHandlerID+"-"+eventType+(capture?"-capture":"");}
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return hash;};Spry.Utils.eventListenerIsBoundToElement=function(element,eventType,handler,capture)
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{element=Spry.$(element);var hash=Spry.Utils.getHashForElementAndHandler(element,eventType,handler,capture);return Spry.Utils.eventListenerHash[hash]!=undefined;};Spry.Utils.bindEventListenerToElement=function(element,eventType,handler,capture)
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{element=Spry.$(element);var hash=Spry.Utils.getHashForElementAndHandler(element,eventType,handler,capture);if(Spry.Utils.eventListenerHash[hash])
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return Spry.Utils.eventListenerHash[hash];return Spry.Utils.eventListenerHash[hash]=function(e)
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{e=e||window.event;if(!e.preventDefault)e.preventDefault=function(){this.returnValue=false;};if(!e.stopPropagation)e.stopPropagation=function(){this.cancelBubble=true;};var result=handler.call(element,e);if(result==false)
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{e.preventDefault();e.stopPropagation();}
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return result;};};Spry.Utils.unbindEventListenerFromElement=function(element,eventType,handler,capture)
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{element=Spry.$(element);var hash=Spry.Utils.getHashForElementAndHandler(element,eventType,handler,capture);if(Spry.Utils.eventListenerHash[hash])
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{handler=Spry.Utils.eventListenerHash[hash];Spry.Utils.eventListenerHash[hash]=undefined;}
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return handler;};Spry.Utils.addLoadListener=function(handler)
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{if(typeof window.addEventListener!='undefined')
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window.addEventListener('load',handler,false);else if(typeof document.addEventListener!='undefined')
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document.addEventListener('load',handler,false);else if(typeof window.attachEvent!='undefined')
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window.attachEvent('onload',handler);};Spry.Utils.getAncestor=function(ele,selector)
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{ele=Spry.$(ele);if(ele)
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{var s=Spry.$$.tokenizeSequence(selector?selector:"*")[0];var t=s?s[0]:null;if(t)
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{var p=ele.parentNode;while(p)
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{if(t.match(p))
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return p;p=p.parentNode;}}}
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return null;};Spry.$$=function(selectorSequence,rootNode)
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{if(!rootNode)
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rootNode=document;else
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rootNode=Spry.$(rootNode);var sequences=Spry.$$.tokenizeSequence(selectorSequence);var matches=[];Spry.$$.addExtensions(matches);++Spry.$$.queryID;var nid=0;var ns=sequences.length;for(var i=0;i<ns;i++)
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{var m=Spry.$$.processTokens(sequences[i],rootNode);var nm=m.length;for(var j=0;j<nm;j++)
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{var n=m[j];if(!n.spry$$ID)
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{n.spry$$ID=++nid;matches.push(n);}}}
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var nm=matches.length;for(i=0;i<nm;i++)
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matches[i].spry$$ID=undefined;return matches;};Spry.$$.cache={};Spry.$$.queryID=0;Spry.$$.Token=function()
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{this.type=Spry.$$.Token.SELECTOR;this.name="*";this.id="";this.classes=[];this.attrs=[];this.pseudos=[];};Spry.$$.Token.Attr=function(n,v)
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{this.name=n;this.value=v?new RegExp(v):undefined;};Spry.$$.Token.PseudoClass=function(pstr)
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{this.name=pstr.replace(/\(.*/,"");this.arg=pstr.replace(/^[^\(\)]*\(?\s*|\)\s*$/g,"");this.func=Spry.$$.pseudoFuncs[this.name];};Spry.$$.Token.SELECTOR=0;Spry.$$.Token.COMBINATOR=1;Spry.$$.Token.prototype.match=function(ele,nameAlreadyMatches)
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{if(this.type==Spry.$$.Token.COMBINATOR)
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return false;if(!nameAlreadyMatches&&this.name!='*'&&this.name!=ele.nodeName.toLowerCase())
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return false;if(this.id&&this.id!=ele.id)
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return false;var classes=this.classes;var len=classes.length;for(var i=0;i<len;i++)
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{if(!ele.className||!classes[i].value.test(ele.className))
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return false;}
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var attrs=this.attrs;len=attrs.length;for(var i=0;i<len;i++)
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{var a=attrs[i];var an=ele.attributes.getNamedItem(a.name);if(!an||(!a.value&&an.nodeValue==undefined)||(a.value&&!a.value.test(an.nodeValue)))
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return false;}
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var ps=this.pseudos;var len=ps.length;for(var i=0;i<len;i++)
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{var p=ps[i];if(p&&p.func&&!p.func(p.arg,ele,this))
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return false;}
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return true;};Spry.$$.Token.prototype.getNodeNameIfTypeMatches=function(ele)
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{var nodeName=ele.nodeName.toLowerCase();if(this.name!='*')
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{if(this.name!=nodeName)
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return null;return this.name;}
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return nodeName;};Spry.$$.escapeRegExpCharsRE=/\/|\.|\*|\+|\(|\)|\[|\]|\{|\}|\\|\|/g;Spry.$$.tokenizeSequence=function(s)
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{var cc=Spry.$$.cache[s];if(cc)return cc;var tokenExpr=/(\[[^\"'~\^\$\*\|\]=]+([~\^\$\*\|]?=\s*('[^']*'|"[^"]*"|[^"'\]]+))?\s*\])|((:[^\.#:\s,>~\+\[\]]+\(([^\(\)]+|\([^\(\)]*\))*\))|[\.#:]?[^\.#:\s,>~\+\[\]]+)|(\s*[\s,>~\+]\s*)/g;var tkn=new Spry.$$.Token;var sequence=[];sequence.push(tkn);var tokenSequences=[];tokenSequences.push(sequence);s=s.replace(/^\s*|\s*$/,"");var expMatch=tokenExpr.exec(s);while(expMatch)
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{var tstr=expMatch[0];var c=tstr.charAt(0);switch(c)
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{case'.':tkn.classes.push(new Spry.$$.Token.Attr("class","\\b"+tstr.substr(1)+"\\b"));break;case'#':tkn.id=tstr.substr(1);break;case':':tkn.pseudos.push(new Spry.$$.Token.PseudoClass(tstr));break;case'[':var attrComps=tstr.match(/\[([^\"'~\^\$\*\|\]=]+)(([~\^\$\*\|]?=)\s*('[^']*'|"[^"]*"|[^"'\]]+))?\s*\]/);var name=attrComps[1];var matchType=attrComps[3];var val=attrComps[4];if(val)
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{val=val.replace(/^['"]|['"]$/g,"");val=val.replace(Spry.$$.escapeRegExpCharsRE,'\\$&');}
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var matchStr=undefined;switch(matchType)
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{case"=":matchStr="^"+val+"$";break;case"^=":matchStr="^"+val;break;case"$=":matchStr=val+"$";break;case"~=":case"|=":matchStr="\\b"+val+"\\b";break;case"*=":matchStr=val;break;}
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tkn.attrs.push(new Spry.$$.Token.Attr(name,matchStr));break;default:var combiMatch=tstr.match(/^\s*([\s,~>\+])\s*$/);if(combiMatch)
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{if(combiMatch[1]==',')
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{sequence=new Array;tokenSequences.push(sequence);tkn=new Spry.$$.Token;sequence.push(tkn);}
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else
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{tkn=new Spry.$$.Token;tkn.type=Spry.$$.Token.COMBINATOR;tkn.name=combiMatch[1];sequence.push(tkn);tkn=new Spry.$$.Token();sequence.push(tkn);}}
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else
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tkn.name=tstr.toLowerCase();break;}
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expMatch=tokenExpr.exec(s);}
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Spry.$$.cache[s]=tokenSequences;return tokenSequences;};Spry.$$.combinatorFuncs={" ":function(nodes,token)
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{var uid=++Spry.$$.uniqueID;var results=[];var nn=nodes.length;for(var i=0;i<nn;i++)
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{var n=nodes[i];if(uid!=n.spry$$uid)
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{var ea=nodes[i].getElementsByTagName(token.name);var ne=ea.length;for(var j=0;j<ne;j++)
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{var e=ea[j];if(token.match(e,true))
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results.push(e);e.spry$$uid=uid;}}}
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return results;},">":function(nodes,token)
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{var results=[];var nn=nodes.length;for(var i=0;i<nn;i++)
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{var n=nodes[i].firstChild;while(n)
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{if(n.nodeType==1&&token.match(n))
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results.push(n);n=n.nextSibling;}}
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return results;},"+":function(nodes,token)
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{var results=[];var nn=nodes.length;for(var i=0;i<nn;i++)
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{var n=nodes[i].nextSibling;while(n&&n.nodeType!=1)
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n=n.nextSibling;if(n&&token.match(n))
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results.push(n);}
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return results;},"~":function(nodes,token)
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{var uid=++Spry.$$.uniqueID;var results=[];var nn=nodes.length;for(var i=0;i<nn;i++)
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{var n=nodes[i].nextSibling;while(n)
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{if(n.nodeType==1)
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{if(uid==n.spry$$uid)
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break;if(token.match(n))
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{results.push(n);n.spry$$uid=uid;}}
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n=n.nextSibling;}}
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return results;}};Spry.$$.uniqueID=0;Spry.$$.pseudoFuncs={":first-child":function(arg,node,token)
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{var n=node.previousSibling;while(n)
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{if(n.nodeType==1)return false;n=n.previousSibling;}
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return true;},":last-child":function(arg,node,token)
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{var n=node.nextSibling;while(n)
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{if(n.nodeType==1)
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return false;n=n.nextSibling;}
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return true;},":empty":function(arg,node,token)
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{var n=node.firstChild;while(n)
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{switch(n.nodeType)
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{case 1:case 3:case 4:case 5:return false;}
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n=n.nextSibling;}
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return true;},":nth-child":function(arg,node,token)
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{return Spry.$$.nthChild(arg,node,token);},":nth-last-child":function(arg,node,token)
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{return Spry.$$.nthChild(arg,node,token,true);},":nth-of-type":function(arg,node,token)
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{return Spry.$$.nthChild(arg,node,token,false,true);},":nth-last-of-type":function(arg,node,token)
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{return Spry.$$.nthChild(arg,node,token,true,true);},":first-of-type":function(arg,node,token)
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{var nodeName=token.getNodeNameIfTypeMatches(node);if(!nodeName)return false;var n=node.previousSibling;while(n)
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{if(n.nodeType==1&&nodeName==n.nodeName.toLowerCase())return false;n=n.previousSibling;}
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return true;},":last-of-type":function(arg,node,token)
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{var nodeName=token.getNodeNameIfTypeMatches(node);if(!nodeName)return false;var n=node.nextSibling;while(n)
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{if(n.nodeType==1&&nodeName==n.nodeName.toLowerCase())
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return false;n=n.nextSibling;}
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return true;},":only-child":function(arg,node,token)
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{var f=Spry.$$.pseudoFuncs;return f[":first-child"](arg,node,token)&&f[":last-child"](arg,node,token);},":only-of-type":function(arg,node,token)
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{var f=Spry.$$.pseudoFuncs;return f[":first-of-type"](arg,node,token)&&f[":last-of-type"](arg,node,token);},":not":function(arg,node,token)
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{var s=Spry.$$.tokenizeSequence(arg)[0];var t=s?s[0]:null;return!t||!t.match(node);},":enabled":function(arg,node,token)
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{return!node.disabled;},":disabled":function(arg,node,token)
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{return node.disabled;},":checked":function(arg,node,token)
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{return node.checked;},":root":function(arg,node,token)
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{return node.parentNode&&node.ownerDocument&&node.parentNode==node.ownerDocument;}};Spry.$$.nthRegExp=/((-|[0-9]+)?n)?([+-]?[0-9]*)/;Spry.$$.nthCache={"even":{a:2,b:0,mode:1,invalid:false},"odd":{a:2,b:1,mode:1,invalid:false},"2n":{a:2,b:0,mode:1,invalid:false},"2n+1":{a:2,b:1,mode:1,invalid:false}};Spry.$$.parseNthChildString=function(str)
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{var o=Spry.$$.nthCache[str];if(!o)
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{var m=str.match(Spry.$$.nthRegExp);var n=m[1];var a=m[2];var b=m[3];if(!a)
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{a=n?1:0;}
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else if(a=="-")
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{a=-1;}
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else
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{a=parseInt(a,10);}
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b=b?parseInt(b,10):0;var mode=(a==0)?0:((a>0)?1:-1);var invalid=false;if(a>0&&b<0)
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{b=b%a;b=((b=(b%a))<0)?a+b:b;}
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else if(a<0)
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{if(b<0)
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invalid=true;else
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a=Math.abs(a);}
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o=new Object;o.a=a;o.b=b;o.mode=mode;o.invalid=invalid;Spry.$$.nthCache[str]=o;}
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return o;};Spry.$$.nthChild=function(arg,node,token,fromLastSib,matchNodeName)
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{if(matchNodeName)
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{var nodeName=token.getNodeNameIfTypeMatches(node);if(!nodeName)return false;}
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var o=Spry.$$.parseNthChildString(arg);if(o.invalid)
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return false;var qidProp="spry$$ncQueryID";var posProp="spry$$ncPos";var countProp="spry$$ncCount";if(matchNodeName)
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{qidProp+=nodeName;posProp+=nodeName;countProp+=nodeName;}
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var parent=node.parentNode;if(parent[qidProp]!=Spry.$$.queryID)
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{var pos=0;parent[qidProp]=Spry.$$.queryID;var c=parent.firstChild;while(c)
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{if(c.nodeType==1&&(!matchNodeName||nodeName==c.nodeName.toLowerCase()))
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c[posProp]=++pos;c=c.nextSibling;}
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parent[countProp]=pos;}
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pos=node[posProp];if(fromLastSib)
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pos=parent[countProp]-pos+1;if(o.mode==0)
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return pos==o.b;if(o.mode>0)
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return(pos<o.b)?false:(!((pos-o.b)%o.a));return(pos>o.b)?false:(!((o.b-pos)%o.a));};Spry.$$.processTokens=function(tokens,root)
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{var numTokens=tokens.length;var nodeSet=[root];var combiFunc=null;for(var i=0;i<numTokens&&nodeSet.length>0;i++)
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{var t=tokens[i];if(t.type==Spry.$$.Token.SELECTOR)
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{if(combiFunc)
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{nodeSet=combiFunc(nodeSet,t);combiFunc=null;}
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else
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nodeSet=Spry.$$.getMatchingElements(nodeSet,t);}
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else
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combiFunc=Spry.$$.combinatorFuncs[t.name];}
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return nodeSet;};Spry.$$.getMatchingElements=function(nodes,token)
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{var results=[];if(token.id)
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{n=nodes[0];if(n&&n.ownerDocument)
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{var e=n.ownerDocument.getElementById(token.id);if(e)
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{if(token.match(e))
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results.push(e);}
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return results;}}
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var nn=nodes.length;for(var i=0;i<nn;i++)
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{var n=nodes[i];var ea=n.getElementsByTagName(token.name);var ne=ea.length;for(var j=0;j<ne;j++)
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{var e=ea[j];if(token.match(e,true))
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results.push(e);}}
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return results;};Spry.$$.addExtensions=function(a)
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{for(var f in Spry.$$.Results)
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a[f]=Spry.$$.Results[f];};Spry.$$.Results={};Spry.$$.Results.forEach=function(func)
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{var n=this.length;for(var i=0;i<n;i++)
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func(this[i]);return this;};Spry.$$.Results.setAttribute=function(name,value)
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{return this.forEach(function(n){Spry.Utils.setAttribute(n,name,value);});};Spry.$$.Results.removeAttribute=function(name)
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{return this.forEach(function(n){Spry.Utils.removeAttribute(n,name);});};Spry.$$.Results.addClassName=function(className)
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{return this.forEach(function(n){Spry.Utils.addClassName(n,className);});};Spry.$$.Results.removeClassName=function(className)
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{return this.forEach(function(n){Spry.Utils.removeClassName(n,className);});};Spry.$$.Results.toggleClassName=function(className)
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{return this.forEach(function(n){Spry.Utils.toggleClassName(n,className);});};Spry.$$.Results.addEventListener=function(eventType,handler,capture,bindHandler)
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{return this.forEach(function(n){Spry.Utils.addEventListener(n,eventType,handler,capture,bindHandler);});};Spry.$$.Results.removeEventListener=function(eventType,handler,capture)
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{return this.forEach(function(n){Spry.Utils.removeEventListener(n,eventType,handler,capture);});};Spry.$$.Results.setStyle=function(style)
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{if(style)
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{style=Spry.Utils.styleStringToObject(style);this.forEach(function(n)
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{for(var p in style)
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try{n.style[p]=style[p];}catch(e){}});}
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return this;};Spry.$$.Results.setProperty=function(prop,value)
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{if(prop)
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{if(typeof prop=="string")
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{var p={};p[prop]=value;prop=p;}
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this.forEach(function(n)
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{for(var p in prop)
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try{n[p]=prop[p];}catch(e){}});}
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return this;};
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