if(document.implementation.hasFeature("XPath","3.0")){XMLDocument.prototype.selectNodes=function(cXPathString,xNode){var oNSResolver,aItems,aResult;if(!xNode)xNode=this;oNSResolver=this.createNSResolver(this.documentElement);aItems=this.evaluate(cXPathString,xNode,oNSResolver,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);aResult=[];for(i=0;i<aItems.snapshotLength;i++)aResult[i]=aItems.snapshotItem(i);return aResult};Element.prototype.selectNodes=function(cXPathString){if(this.ownerDocument.selectNodes)return this.ownerDocument.selectNodes(cXPathString,this);else throw"For XML Elements Only"}}if(document.implementation.hasFeature("XPath","3.0")){XMLDocument.prototype.selectSingleNode=function(cXPathString,xNode){var xItems;if(!xNode)xNode=this;xItems=this.selectNodes(cXPathString,xNode);if(xItems.length>0)return xItems[0];else return null};Element.prototype.selectSingleNode=function(cXPathString){if(this.ownerDocument.selectSingleNode)return this.ownerDocument.selectSingleNode(cXPathString,this);else throw"For XML Elements Only"}}