//<script>
//////////////////
// Helper Stuff //
//////////////////
var doc;
function getProp(element, attr)
{
	obj = doc.getElementsByTagName(element);
	if (!obj) return;
	var value = obj(0).getAttribute(attr);
    if (value)
    {	   	   
	   var regexp = /\+/g;	   	  
	   value = value.replace(regexp, " ");
	   value = unescape(value);
    }
	else 
	{
		value="";
	}
    return value;   
}
function getString(element)
{
	obj = doc.getElementsByTagName(element);
	if (!obj) return;
	return obj(0).text;
}
function getError()
{
   var errorEl = doc.getElementsByTagName("error")
   if (errorEl && errorEl.length > 0)
   {
	  var regexp = /\+/g;
	  var urlDecoded = unescape(errorEl(0).text);
	  
	  return (urlDecoded.replace(regexp, " "));
   }
   return;   
}
function getXml(sUri, showError, data) 
{
   var xmlHttp = XmlHttp.create();
   var async = false;
   xmlHttp.open("POST", sUri, async);
   if (data)
   {
		xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	   	xmlHttp.send(data);   
   }
   else xmlHttp.send(null);
   doc = xmlHttp.responseXML;
   //alert(doc.xml);
   var error = getError();
   if (error)
   {
   	   if (showError)
	   {	   	 
          alert(error);
	   }
	   return false;	
   }   
   return true;
}

function runUrl(sUri, showError) 
{
   var xmlHttp = XmlHttp.create();
   var async = false;
   xmlHttp.open("POST", sUri, async);
   xmlHttp.send(null);
   var doc = xmlHttp.responseXML;
   //alert(doc.xml);
   var errorEl = doc.getElementsByTagName("error")
   if (errorEl && errorEl.length > 0)
   {
   	   if (showError)
	   {	   	 
	   	  var regexp = /\+/g;
		  var urlDecoded = unescape(errorEl(0).text);
		  
          alert (urlDecoded.replace(regexp, " "));
	   }
	   return "";	
   }   
   var outEl = doc.getElementsByTagName("output")
   for (var i = 0; i < outEl.length; i++)
   {
       return outEl(i).text; // responseXML : XmlDocument
   }
   return "";
}


// used to find the Automation server name
function getDomDocumentPrefix() {
	if (getDomDocumentPrefix.prefix)
		return getDomDocumentPrefix.prefix;
	
	var prefixes = ["MSXML2", "Microsoft", "MSXML", "MSXML3"];
	var o;
	for (var i = 0; i < prefixes.length; i++) {
		try {
			// try to create the objects
			o = new ActiveXObject(prefixes[i] + ".DomDocument");
			return getDomDocumentPrefix.prefix = prefixes[i];
		}
		catch (ex) {};
	}
	
	throw new Error("Could not find an installed XML parser");
}

function getXmlHttpPrefix() {
	if (getXmlHttpPrefix.prefix)
		return getXmlHttpPrefix.prefix;
	
	var prefixes = ["MSXML2", "Microsoft", "MSXML", "MSXML3"];
	var o;
	for (var i = 0; i < prefixes.length; i++) {
		try {
			// try to create the objects
			o = new ActiveXObject(prefixes[i] + ".XmlHttp");
			return getXmlHttpPrefix.prefix = prefixes[i];
		}
		catch (ex) {};
	}
	
	throw new Error("Could not find an installed XML parser");
}

//////////////////////////
// Start the Real stuff //
//////////////////////////


// XmlHttp factory
function XmlHttp() {}

XmlHttp.create = function () {
	try {
		if (window.XMLHttpRequest) {
			var req = new XMLHttpRequest();
			
			// some versions of Moz do not support the readyState property
			// and the onreadystate event so we patch it!
			if (req.readyState == null) {
				req.readyState = 1;
				req.addEventListener("load", function () {
					req.readyState = 4;
					if (typeof req.onreadystatechange == "function")
						req.onreadystatechange();
				}, false);
			}
			
			return req;
		}
		if (window.ActiveXObject) {
			return new ActiveXObject(getXmlHttpPrefix() + ".XmlHttp");
		}
	}
	catch (ex) {}
	// fell through
	throw new Error("Your browser does not support XmlHttp objects");
};

// XmlDocument factory
function XmlDocument() {}

XmlDocument.create = function () {
	try {
		// DOM2
		if (document.implementation && document.implementation.createDocument) {
			var doc = document.implementation.createDocument("", "", null);
			
			// some versions of Moz do not support the readyState property
			// and the onreadystate event so we patch it!
			if (doc.readyState == null) {
				doc.readyState = 1;
				doc.addEventListener("load", function () {
					doc.readyState = 4;
					if (typeof doc.onreadystatechange == "function")
						doc.onreadystatechange();
				}, false);
			}
			
			return doc;
		}
		if (window.ActiveXObject)
			return new ActiveXObject(getDomDocumentPrefix() + ".DomDocument");
	}
	catch (ex) {}
	throw new Error("Your browser does not support XmlDocument objects");
};

// Create the loadXML method and xml getter for Mozilla
if (window.DOMParser &&
	window.XMLSerializer &&
	window.Node && Node.prototype && Node.prototype.__defineGetter__) {

	// XMLDocument did not extend the Document interface in some versions
	// of Mozilla. Extend both!
	//XMLDocument.prototype.loadXML = 
	Document.prototype.loadXML = function (s) {
		
		// parse the string to a new doc	
		var doc2 = (new DOMParser()).parseFromString(s, "text/xml");
		
		// remove all initial children
		while (this.hasChildNodes())
			this.removeChild(this.lastChild);
			
		// insert and import nodes
		for (var i = 0; i < doc2.childNodes.length; i++) {
			this.appendChild(this.importNode(doc2.childNodes[i], true));
		}
	};
	
	
	/*
	 * xml getter
	 *
	 * This serializes the DOM tree to an XML String
	 *
	 * Usage: var sXml = oNode.xml
	 *
	 */
	// XMLDocument did not extend the Document interface in some versions
	// of Mozilla. Extend both!
	/*
	XMLDocument.prototype.__defineGetter__("xml", function () {
		return (new XMLSerializer()).serializeToString(this);
	});
	*/
	Document.prototype.__defineGetter__("xml", function () {
		return (new XMLSerializer()).serializeToString(this);
	});
}