/*////////////////////////////////////////////////////////////////////////////////////
// Browser independent method to load a DOM XML document
////////////////////////////////////////////////////////////////////////////////////*/
/*****************************************************************************************
// Example: write in asp form:
// <--- change this link when on a different domain and other directory
*****************************************************************************************/
// If FireFox then XPath is used to analyse XML documents.
if( document.implementation.hasFeature("XPath", "3.0") ) {
if( typeof XMLDocument == "undefined" ) {
XMLDocument = Document;
}
Element.prototype.selectNodes = function (sXPath) {
var oEvaluator = new XPathEvaluator();
var oResult = oEvaluator.evaluate(sXPath, this, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null);
var aNodes = new Array;
if (oResult != null)
{
var oElement = oResult.iterateNext();
while(oElement)
{
aNodes.push(oElement);
oElement = oResult.iterateNext();
}
}
return aNodes;
};
XMLDocument.prototype.selectNodes = function(cXPathString, xNode) {
if( !xNode ) {
xNode = this;
}
var oNSResolver = this.createNSResolver(this.documentElement)
var aItems = this.evaluate(cXPathString, xNode, oNSResolver, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null)
var aResult = [];
for( var i = 0; i < aItems.snapshotLength; i++) {
aResult[i] = aItems.snapshotItem(i);
}
return aResult;
}
Element.prototype.selectSingleNode = function (sXPath) {
var oEvaluator = new XPathEvaluator();
var oResult = oEvaluator.evaluate(sXPath, this, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
if (oResult != null) {
return oResult.singleNodeValue;
}
else {
return null;
}
}
}
//*---------------------------------------------------------------------------+
// +FUNCTION+
// +PURPOSE+
// +PARAMETERS+ +TYPE/DESCRIPTION+
//
// +RETURN VALUES+
//+---------------------------------------------------------------------------*/
function LoadXMLDoc(sXmlFilename) {
var xmlDoc = null;
/*
// doesn't function in Safari / Google Chrome
try //Internet Explorer
{
xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
}
catch(e)
{
try //Firefox, Mozilla, Opera, etc.
{
xmlDoc=document.implementation.createDocument("","",null);
}
catch(e)
{
alert(e.message);
}
}
try
{
// Load the document asynchronously to make sure it is loaded before continuing
xmlDoc.async=false;
xmlDoc.load(sXmlFilename);
}
catch(e)
{
alert(e.message);
}
return xmlDoc;
*/
// new method, needs to be tested on all browsers
if (window.XMLHttpRequest)
{
xhttp=new window.XMLHttpRequest();
}
else
{
xhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xhttp.open("GET",sXmlFilename,false);
xhttp.send("");
return xhttp.responseXML;
}
//*---------------------------------------------------------------------------+
// +FUNCTION+ GetTagnameValue(tagObj)
// +PURPOSE+ Get the value of an XML node.
// +PARAMETERS+ +TYPE/DESCRIPTION+
// tagObj (object) parent tag object that contains the value
// +RETURN VALUES+ The value of the tag node or an empty string if the node has no value
// +REMARK+ 1. The object will only contain children if the XML tag node has a value attached.
// If the node value is empty, the there are no children and an empty string is returned.
// ex.
// something
//
// --> the return value will be 'something'
// ex.
//
//
// --> the return value will be ''
// --> Trying to read the value of this node without checking if there are children
// in the node object causes a Javacript error.
//+---------------------------------------------------------------------------*/
function GetTagnameValue(tagObj)
{
var sValue = "";
// If the tag object does not exist, return an error string.
// The string will provide an indication where the error occurs when it is used
// to fill the related form field.
if (tagObj[0])
{
// If the tag object has no children, then there's no value attached
// in that case return an empty string
if (tagObj[0].firstChild)
sValue = tagObj[0].firstChild.nodeValue;
else
sValue = "";
}
else
{
sValue = "ERROR: Invalid XML reference:" + tagObj[0];
}
return sValue;
}