function XMLObj(xmldatafile,f)
{
	this.version = '0.7';
	this.xmldoc;
	this.resXML;
	this.resTXT;
	this.method = 'POST';
	this.xmlDataFile = xmldatafile;
	this.data;
	this.selectedRecord;
	if (f) this.processResults = f;
}

XMLObj.prototype.loadXML = xml_loadXML;
XMLObj.prototype.processResults = new Function();
XMLObj.prototype.getElementById = xml_getElementById;
XMLObj.prototype.getFromXMLByNumber = xml_getFromXMLByNumber;
XMLObj.prototype.getFromXMLById = xml_getFromXMLById;

//####### ####### ####### ####### ####### ####### ####### ####### 

function xml_loadXML(data,method,xmldatafile,f)
{
	try
	{
		if (this.xmldoc && (this.xmldoc.readyState == 2 || this.xmldoc.readyState == 3))
		{
			this.xmldoc.abort(); //wenn es schon ein "XMLHttpRequest"-Objekt gibt und bereits eine Anfrage laeuft, wird diese nun abgebrochen.
			alert('Es laeuft gerade eine Aktion, waehrend der nicht gespeichert werden kann.')
		}
		else
		{
			var xmlobj = this;
			this.data = data || null;
			if (method) this.method = method;
			if (xmldatafile) this.xmlDataFile = xmldatafile;
			if (f) this.processResults = f;
	
			if (window.XMLHttpRequest)
			{
				this.xmldoc = new XMLHttpRequest();
			}
			else if(window.ActiveXObject)
			{
				this.xmldoc = new ActiveXObject("Microsoft.XMLHTTP")
			}
			this.xmldoc.onreadystatechange = function()
			{
				if(xmlobj.xmldoc.readyState==4)// wird ausgefuehrt, wenn das xml-Dokument vollstaendig geladen ist.
				{
					if (xmlobj.xmldoc.status == 200) // wird ausgefuehrt, wenn das xml-Dokument fehlerfrei interpretiert werden kann
					{
						xmlobj.processResults(xmlobj)
					}
				}
			}
			this.xmldoc.open(this.method,this.xmlDataFile,true);
			this.xmldoc.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			this.xmldoc.send(data);
		}
	}
	catch(e)
	{
		alert('Die XML Daten konnten nicht in den Browser geladen werden.\n'+e)
	}
}

function xml_getElementById(id)
{
	var sXPath = "*/*[@id='"+id+"']";
	try
	{
		//for IE, use native selectSingleNode()
		var node = this.xmldoc.responseXML.selectSingleNode(sXPath);
	}
	catch(e)
	{
		try
		{
			//solving the stuff for Mozilla
			var node = this.xmldoc.responseXML.evaluate(sXPath, this.xmldoc.responseXML, null, 9, null).singleNodeValue;
		}
		catch (e)
		{
			try
			{
				var root = this.xmldoc.responseXML.firstChild;
				var node = getNode(root,id);
			}
			catch(e)
			{
				alert('getElementById geht nicht\n'+e)
			}
		}
	}
	return node;
}

function getNode(node,id)
{
	var nodes = node.childNodes;
	for (var i=0; i<nodes.length; i++)
	{
		if (nodes[i].nodeType == 1)
		{
			var elmNode = elmnode = nodes[i];
			if(elmNode.getAttribute('id') == id)
			{
				return elmnode;
				break;
			}
			getNode(elmNode,id);
		}
	}
}

function xml_getFromXMLByNumber(tagname,num)
{
	num = num || 0; 
	try {return decodeURL(this.xmldoc.responseXML.getElementsByTagName(tagname)[num].firstChild.nodeValue);} catch(e){return ""}
}

function xml_getFromXMLById(id,tagname,num)
{
	num = num || 0; 
	try {return decodeURL(this.getElementById(id).getElementsByTagName(tagname)[0].firstChild.nodeValue);} catch(e){return ""}
}

function decodeURL(str)
{
	str = unescape(str);
	str = str.replace(/\+/g, ' ');
	str = str.replace(/%22/g,'\"');
	str = str.replace(/%27/g, '\'');
	str = str.replace(/%2F/g,'\/');
	return str;
}

function addSrc(elm,src,data,method,fnc)
{
	if (typeof(elm) == 'string')
	{
		elm = document.getElementById(elm);
	}
	var xml = new XMLObj(),
	data = data || '';
	method = method || 'post';
	xml.loadXML(data,method,src,responseData);

	function responseData()
	{
		elm.innerHTML = decodeURL(xml.xmldoc.responseText);
		if (fnc) fnc();
	}
}