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data=expandoData[ownerDocument[expando]];if(!data){data={};expanID++;ownerDocument[expando]=expanID;expandoData[expanID]=data}return data}function createElement(nodeName,ownerDocument,data){if(!ownerDocument){ownerDocument=document}if(supportsUnknownElements){return ownerDocument.createElement(nodeName)}if(!data){data=getExpandoData(ownerDocument)}var node;if(data.cache[nodeName]){node=data.cache[nodeName].cloneNode()}else if(saveClones.test(nodeName)){node=(data.cache[nodeName]=data.createElem(nodeName)).cloneNode()}else{node=data.createElem(nodeName)}return node.canHaveChildren&&!reSkip.test(nodeName)?data.frag.appendChild(node):node}function createDocumentFragment(ownerDocument,data){if(!ownerDocument){ownerDocument=document}if(supportsUnknownElements){return ownerDocument.createDocumentFragment()}data=data||getExpandoData(ownerDocument);var clone=data.frag.cloneNode(),i=0,elems=getElements(),l=elems.length;for(;i<l;i++){clone.createElement(elems[i])}return clone}function 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data=getExpandoData(ownerDocument);if(html5.shivCSS&&!supportsHtml5Styles&&!data.hasCSS){data.hasCSS=!!addStyleSheet(ownerDocument,"article,aside,figcaption,figure,footer,header,hgroup,nav,section{display:block}"+"mark{background:#FF0;color:#000}")}if(!supportsUnknownElements){shivMethods(ownerDocument,data)}return ownerDocument}var html5={elements:options.elements||"abbr article aside audio bdi canvas data datalist details figcaption figure footer header hgroup mark meter nav output progress section summary time 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