selectSingleNode is not a function in chrome
// check for XPath implementation
if (document.implementation.hasFeature("XPath", "3.0")) {
// prototying the XMLDocument.selectNodes
XMLDocument.prototype.selectNodes = function(cXPathString, xNode) {
if (!xNode) { xNode = this; }
var oNSResolver = document.createNSResolver(this.ownerDocument == null ? this.documentElement : this.ownerDocument.documentElement);
function resolver() {
return 'http://schemas.saarchitect.net/ajax/2008/09/user';
}
var aItems = this.evaluate(cXPathString, xNode, resolver, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
var aResult = [];
for (var i = 0; i < aItems.snapshotLength; i++) {
aResult[i] = aItems.snapshotItem(i);
}
return aResult;
}
// prototying the Element
Element.prototype.selectNodes = function(cXPathString) {
if (this.ownerDocument.selectNodes) {
return this.ownerDocument.selectNodes(cXPathString, this);
}
else { throw "For XML Elements Only"; }
}
// prototying the XMLDocument.selectSingleNode
XMLDocument.prototype.selectSingleNode = function(cXPathString, xNode) {
if (!xNode) { xNode = this; }
var xItems = this.selectNodes(cXPathString, xNode);
if (xItems.length > 0) {
return xItems[0];
}
else {
return null;
}
}
// prototying the Element
Element.prototype.selectSingleNode = function(cXPathString) {
if (this.ownerDocument.selectSingleNode) {
return this.ownerDocument.selectSingleNode(cXPathString, this);
}
else { throw "For XML Elements Only"; }
}
};