var ajax = new Ajax_Send_Load();

function Ajax_Send_Load()
{
	this.send_load = function(p_form_name_oder_url, p_container, p_param3, p_param4)
	{
		var ausfuehren = new Object();
		var form_oder_load = '';

		switch(typeof(p_param3))
		{
			case 'object': ausfuehren = p_param3;			break;
			case 'string': form_oder_load = p_param3;	break;
		}

		switch(typeof(p_param4))
		{
			case 'object': ausfuehren = p_param4;			break;
			case 'string': form_oder_load = p_param4;	break;
		}

		var onReadyStateChange_ist_function = false;

		// wurde vordefinierte aktionen übergeben?

		if(ausfuehren.vordef)
		{
			if(typeof(ausfuehren.vordef) == 'string')
			{
				var befehle = new Array();
				var befehlskette = new Array();

				// der inhalt von ausfuehren.vordef muss folgendermassen formatiert werden:
				// 'onInterrupt=aktion,onInterrupt2=aktion2,...

				befehlskette = ausfuehren.vordef.split(',');

				for(i = 0; i < befehlskette.length; i++)
				{
					befehle = befehlskette[i].split('=');

					switch(befehle[1])
					{
						case 'ladebalken':

							var funktionsnummer = funktionsnummer_ermitteln(ausfuehren, befehle);

							ausfuehren[befehle[0]][funktionsnummer] = function(req)
							{
								fc_ladebalken.anzeigen(req.xmlHttpRequest.readyState);
							}

							break;
					}

					// zählen der funktionen pro interrupt

					if(!ausfuehren[befehle[0]].anzahl_funktionen)
					{
						ausfuehren[befehle[0]]['anzahl_funktionen'] = 1;
					}
					else
					{
						ausfuehren[befehle[0]]['anzahl_funktionen']++;
					}
				}
			}
		}

		if(typeof(ausfuehren.onReadyStateChange) == 'function')
		{
			onReadyStateChange_ist_function = true;
		}

		interrupt_config =
		{
			'onSuccess':

				function(req)
				{
					var javascripts = javascripts_aus_response_ermitteln(req);
				
					if(typeof(ausfuehren.onSuccess) == 'function')
					{
						var funktionsnummer = 1;

						for(i_ausfuehren_onsuccess = 1; i_ausfuehren_onsuccess <= ausfuehren.onSuccess.anzahl_funktionen; i_ausfuehren_onsuccess++)
						{
							ausfuehren.onSuccess[i_ausfuehren_onsuccess](req);
						}

						ausfuehren.onSuccess(req);
					}

					if(req.responseText.indexOf('##NICHT_SCHREIBEN##') == -1)
					{
						if(typeof(p_container) == 'object')
						{
							p_container.innerHTML = req.responseText;
						}
						else if(p_container != '')
						{
							document.getElementById(p_container).innerHTML = req.responseText;
						}
					}

					javascripts_ausfuehren(javascripts);

					// funktionen ausführen

					if(typeof(ausfuehren.onAfterLoad) == 'function')
					{
						var funktionsnummer = 1;

						for(i = 1; i <= ausfuehren.onAfterLoad.anzahl_funktionen; i++)
						{
							ausfuehren.onAfterLoad[i](req);
						}

						ausfuehren.onAfterLoad(req);
					}
				},

			'onLoading':

				function(req)
				{
					if(typeof(ausfuehren.onLoading) == 'function')
					{
						var funktionsnummer = 1;

						for(i = 1; i <= ausfuehren.onLoading.anzahl_funktionen; i++)
						{
							ausfuehren.onLoading[i](req);
						}

						ausfuehren.onLoading(req);
					}

					if(onReadyStateChange_ist_function)
					{
						var funktionsnummer = 1;

						for(i = 1; i <= ausfuehren.onReadyStateChange.anzahl_funktionen; i++)
						{
							ausfuehren.onReadyStateChange[i](req);
						}

						ausfuehren.onReadyStateChange(req);
					}
				},

			'onLoaded':

				function(req)
				{
					if(typeof(ausfuehren.onLoaded) == 'function')
					{
						var funktionsnummer = 1;

						for(i = 1; i <= ausfuehren.onLoaded.anzahl_funktionen; i++)
						{
							ausfuehren.onLoaded[i](req);
						}

						ausfuehren.onLoaded(req);
					}

					if(onReadyStateChange_ist_function)
					{
						var funktionsnummer = 1;

						for(i = 1; i <= ausfuehren.onReadyStateChange.anzahl_funktionen; i++)
						{
							ausfuehren.onReadyStateChange[i](req);
						}

						ausfuehren.onReadyStateChange(req);
					}
				},

			'onInteractive':

				function(req)
				{
					if(typeof(ausfuehren.onInteractive) == 'function')
					{
						var funktionsnummer = 1;

						for(i = 1; i <= ausfuehren.onInteractive.anzahl_funktionen; i++)
						{
							ausfuehren.onInteractive[i](req);
						}

						ausfuehren.onInteractive(req);
					}

					if(onReadyStateChange_ist_function)
					{
						var funktionsnummer = 1;

						for(i = 1; i <= ausfuehren.onReadyStateChange.anzahl_funktionen; i++)
						{
							ausfuehren.onReadyStateChange[i](req);
						}

						ausfuehren.onReadyStateChange(req);
					}
				},

			'onComplete':

				function(req)
				{
					if(typeof(ausfuehren.onComplete) == 'function')
					{
						var funktionsnummer = 1;

						for(i = 1; i <= ausfuehren.onComplete.anzahl_funktionen; i++)
						{
							ausfuehren.onComplete[i](req);
						}

						ausfuehren.onComplete(req);
					}

					if(onReadyStateChange_ist_function)
					{
						var funktionsnummer = 1;

						for(i = 1; i <= ausfuehren.onReadyStateChange.anzahl_funktionen; i++)
						{
							ausfuehren.onReadyStateChange[i](req);
						}

						ausfuehren.onReadyStateChange(req);
					}
				},

			'onError':

				function(req)
				{
					if(typeof(ausfuehren.onError) == 'function')
					{
						var funktionsnummer = 1;

						for(i = 1; i <= ausfuehren.onError.anzahl_funktionen; i++)
						{
							ausfuehren.onError[i](req);
						}

						ausfuehren.onError(req);
					}

					if(document.getElementById('debug'))
					{
						document.getElementById('debug').innerText = '\nERROR!\n' + p_form_name_oder_url + '\n\nStatusText=' + req.statusText + '\n\nContents=\n' + req.responseText;
					}
				}
		}

		if(form_oder_load == 'form')
		{
			AjaxRequest.submit(p_form_name_oder_url, interrupt_config);
		}
		else
		{
			interrupt_config.url = p_form_name_oder_url;
			AjaxRequest.get(interrupt_config);
		}
	}

	function funktionsnummer_ermitteln(ausfuehren, befehle)
	{
		if(typeof(ausfuehren[befehle[0]]) != 'function')
		{
			ausfuehren[befehle[0]] = function(req) { };
		}

		var funktionsnummer = 1;

		// wurde bereits eine funktion abgelegt?

		if(typeof(ausfuehren[befehle[0]]['anzahl_funktionen']) == 'number')
		{
			funktionsnummer = ausfuehren[befehle[0]]['anzahl_funktionen'] + 1;
		}

		return funktionsnummer;
	}

	function javascripts_aus_response_ermitteln(req)
	{
		var moegliches_javascript_anfang	= req.responseText.indexOf('<script');
		var moegliches_javascript_ende		= req.responseText.indexOf('</script>');

		var script_text;
		var gefundene_scripts = new Array();

		var i = 0;

		while(moegliches_javascript_anfang != -1 && moegliches_javascript_ende != -1 && moegliches_javascript_ende > moegliches_javascript_anfang)
		{
			script_text = req.responseText.substring(moegliches_javascript_anfang, moegliches_javascript_ende + 9);

			req.responseText = req.responseText.replace(script_text, '');

			gefundene_scripts[i] = script_text;

			moegliches_javascript_anfang = req.responseText.indexOf('<script');
			moegliches_javascript_ende = req.responseText.indexOf('</script>');

			i++;
		}

		return gefundene_scripts;
	}

	function javascripts_ausfuehren(p_javascripts)
	{
		var script_text						= '';
		var tag_attributes_string	= '';
		var script_src						= '';
		
		var datum = new Date;
		var timestamp = datum.getTime();
		
		var anhaengen_an = document;
		
		for(var i = 0; i < p_javascripts.length; i++)
		{
			// soll das script woanders als im document angehängt werden?
			
			if(p_javascripts[i].search(/target="(\w|\.)*"/) != -1)
			{
				var target = eval(p_javascripts[i].substring(0, p_javascripts[i].indexOf('>')).replace(/<script(.*)target="((\w|\.)*)"(.*)/, '$2'));
				
				if(target)
				{
					anhaengen_an = target;
				}
			}
		
			if(p_javascripts[i].search('js_eval="true"') != -1)
			{
				eval(p_javascripts[i].substring(p_javascripts[i].indexOf('>') + 1, p_javascripts[i].length - 9));
			}
			else
			{
				tag_attributes_string = p_javascripts[i].substring(0, p_javascripts[i].indexOf('>'));

				if(tag_attributes_string.search('src') != -1)
				{
					// javascript include gefunden

					script_src = tag_attributes_string.substring(tag_attributes_string.indexOf('src') + 3);
					script_src = script_src.replace('"', '').replace('=', '');
					script_src = script_src.substring(0, script_src.indexOf('"'));
				}
				else
				{
					script_src	= '';
				}
				
				if(script_src == '')
				{
					var script_id = "auszufuehrendes_script" + i;
				}
				else
				{
					var script_id = script_src.replace(/\//g, '_').replace(/:/g, '_');
				}
				
				var altes_script = anhaengen_an.getElementById(script_id);

				if(altes_script)
				{
					if(altes_script.src == '')
					{
						// bodyscript
					
						anhaengen_an.body.removeChild(altes_script);
					}
					else
					{
						// headscript (js-include)
						
						anhaengen_an.body.parentNode.firstChild.removeChild(altes_script);
					}
				}

				var auszufuehrendes_script	= anhaengen_an.createElement("script");
				auszufuehrendes_script.type	= "text/javascript";
				auszufuehrendes_script.id = script_id;
				auszufuehrendes_script.text	= p_javascripts[i].substring(p_javascripts[i].indexOf('>') + 1, p_javascripts[i].length - 9);
				
				if(script_src != '')
				{
					// script src im head anhängen und gleichzeitig ein cachen durch den browser verhindern

					auszufuehrendes_script.src = script_src + '?' + timestamp;
					
					anhaengen_an.body.parentNode.firstChild.appendChild(auszufuehrendes_script);
				}
				else
				{
					// script im body anhaengen
					
					anhaengen_an.body.appendChild(auszufuehrendes_script);
				}
			}
		}
	}
}

// ===================================================================
// Author: Matt Kruse <matt@ajaxtoolbox.com>
// WWW: http://www.AjaxToolbox.com/
//
// NOTICE: You may use this code for any purpose, commercial or
// private, without any further permission from the author. You may
// remove this notice from your final code if you wish, however it is
// appreciated by the author if at least my web site address is kept.
//
// You may *NOT* re-distribute this code in any way except through its
// use. That means, you can include it in your product, or your web
// site, or any other form where the code is actually being used. You
// may not put the plain javascript up on your site for download or
// include it in your javascript libraries for download.
// If you wish to share this code with others, please just point them
// to the URL instead.
// Please DO NOT link directly to my .js files from your site. Copy
// the files to your server and use them there. Thank you.
// ===================================================================

/**
 * The AjaxRequest class is a wrapper for the XMLHttpRequest objects which
 * are available in most modern browsers. It simplifies the interfaces for
 * making Ajax requests, adds commonly-used convenience methods, and makes
 * the process of handling state changes more intuitive.
 * An object may be instantiated and used, or the Class methods may be used
 * which internally create an AjaxRequest object.
 */
 
function AjaxRequest() {
	var req = new Object();

	// -------------------
	// Instance properties
	// -------------------

	/**
	 * Timeout period (in ms) until an async request will be aborted, and
	 * the onTimeout function will be called
	 */
	req.timeout = null;

	/**
	 * Since some browsers cache GET requests via XMLHttpRequest, an
	 * additional parameter called AjaxRequestUniqueId will be added to
	 * the request URI with a unique numeric value appended so that the requested
	 * URL will not be cached.
	 */
	req.generateUniqueUrl = true;

	/**
	 * The url that the request will be made to, which defaults to the current
	 * url of the window
	 */
	req.url = window.location.href;

	/**
	 * The method of the request, either GET (default), POST, or HEAD
	 */
	req.method = "GET";

	/**
	 * Whether or not the request will be asynchronous. In general, synchronous
	 * requests should not be used so this should rarely be changed from true
	 */
	req.async = true;

	/**
	 * The username used to access the URL
	 */
	req.username = null;

	/**
	 * The password used to access the URL
	 */
	req.password = null;

	/**
	 * The parameters is an object holding name/value pairs which will be
	 * added to the url for a GET request or the request content for a POST request
	 */
	req.parameters = new Object();

	/**
	 * The sequential index number of this request, updated internally
	 */
	req.requestIndex = AjaxRequest.numAjaxRequests++;

	/**
	 * Indicates whether a response has been received yet from the server
	 */
	req.responseReceived = false;

	/**
	 * The name of the group that this request belongs to, for activity
	 * monitoring purposes
	 */
	req.groupName = null;

	/**
	 * The query string to be added to the end of a GET request, in proper
	 * URIEncoded format
	 */
	req.queryString = "";

	/**
	 * After a response has been received, this will hold the text contents of
	 * the response - even in case of error
	 */
	req.responseText = null;

	/**
	 * After a response has been received, this will hold the XML content
	 */
	req.responseXML = null;

	/**
	 * After a response has been received, this will hold the status code of
	 * the response as returned by the server.
	 */
	req.status = null;

	/**
	 * After a response has been received, this will hold the text description
	 * of the response code
	 */
	req.statusText = null;

	/**
	 * An internal flag to indicate whether the request has been aborted
	 */
	req.aborted = false;

	/**
	 * The XMLHttpRequest object used internally
	 */
	req.xmlHttpRequest = null;

	// --------------
	// Event handlers
	// --------------

	/**
	 * If a timeout period is set, and it is reached before a response is
	 * received, a function reference assigned to onTimeout will be called
	 */
	req.onTimeout = null;

	/**
	 * A function reference assigned will be called when readyState=1
	 */
	req.onLoading = null;

	/**
	 * A function reference assigned will be called when readyState=2
	 */
	req.onLoaded = null;

	/**
	 * A function reference assigned will be called when readyState=3
	 */
	req.onInteractive = null;

	/**
	 * A function reference assigned will be called when readyState=4
	 */
	req.onComplete = null;

	/**
	 * A function reference assigned will be called after onComplete, if
	 * the statusCode=200
	 */
	req.onSuccess = null;

	/**
	 * A function reference assigned will be called after onComplete, if
	 * the statusCode != 200
	 */
	req.onError = null;

	/**
	 * If this request has a group name, this function reference will be called
	 * and passed the group name if this is the first request in the group to
	 * become active
	 */
	req.onGroupBegin = null;

	/**
	 * If this request has a group name, and this request is the last request
	 * in the group to complete, this function reference will be called
	 */
	req.onGroupEnd = null;

	// Get the XMLHttpRequest object itself
	req.xmlHttpRequest = AjaxRequest.getXmlHttpRequest();
	if (req.xmlHttpRequest==null) { return null; }

	// -------------------------------------------------------
	// Attach the event handlers for the XMLHttpRequest object
	// -------------------------------------------------------
	req.xmlHttpRequest.onreadystatechange =
	function() {
		if (req==null || req.xmlHttpRequest==null) { return; }
		if (req.xmlHttpRequest.readyState==1) { req.onLoadingInternal(req); }
		if (req.xmlHttpRequest.readyState==2) { req.onLoadedInternal(req); }
		if (req.xmlHttpRequest.readyState==3) { req.onInteractiveInternal(req); }
		if (req.xmlHttpRequest.readyState==4) { req.onCompleteInternal(req); }
	};

	// ---------------------------------------------------------------------------
	// Internal event handlers that fire, and in turn fire the user event handlers
	// ---------------------------------------------------------------------------
	// Flags to keep track if each event has been handled, in case of
	// multiple calls (some browsers may call the onreadystatechange
	// multiple times for the same state)
	req.onLoadingInternalHandled = false;
	req.onLoadedInternalHandled = false;
	req.onInteractiveInternalHandled = false;
	req.onCompleteInternalHandled = false;
	req.onLoadingInternal =
		function() {
			if (req.onLoadingInternalHandled) { return; }
			AjaxRequest.numActiveAjaxRequests++;
			if (AjaxRequest.numActiveAjaxRequests==1 && typeof(window['AjaxRequestBegin'])=="function") {
				AjaxRequestBegin();
			}
			if (req.groupName!=null) {
				if (typeof(AjaxRequest.numActiveAjaxGroupRequests[req.groupName])=="undefined") {
					AjaxRequest.numActiveAjaxGroupRequests[req.groupName] = 0;
				}
				AjaxRequest.numActiveAjaxGroupRequests[req.groupName]++;
				if (AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==1 && typeof(req.onGroupBegin)=="function") {
					req.onGroupBegin(req.groupName);
				}
			}
			if (typeof(req.onLoading)=="function") {
				req.onLoading(req);
			}
			req.onLoadingInternalHandled = true;
		};
	req.onLoadedInternal =
		function() {
			if (req.onLoadedInternalHandled) { return; }
			if (typeof(req.onLoaded)=="function") {
				req.onLoaded(req);
			}
			req.onLoadedInternalHandled = true;
		};
	req.onInteractiveInternal =
		function() {
			if (req.onInteractiveInternalHandled) { return; }
			if (typeof(req.onInteractive)=="function") {
				req.onInteractive(req);
			}
			req.onInteractiveInternalHandled = true;
		};
	req.onCompleteInternal =
		function() {
			if (req.onCompleteInternalHandled || req.aborted) { return; }
			req.onCompleteInternalHandled = true;
			AjaxRequest.numActiveAjaxRequests--;
			if (AjaxRequest.numActiveAjaxRequests==0 && typeof(window['AjaxRequestEnd'])=="function") {
				AjaxRequestEnd(req.groupName);
			}
			if (req.groupName!=null) {
				AjaxRequest.numActiveAjaxGroupRequests[req.groupName]--;
				if (AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==0 && typeof(req.onGroupEnd)=="function") {
					req.onGroupEnd(req.groupName);
				}
			}
			req.responseReceived = true;
			req.status = req.xmlHttpRequest.status;
			req.statusText = req.xmlHttpRequest.statusText;
			req.responseText = req.xmlHttpRequest.responseText;
			req.responseXML = req.xmlHttpRequest.responseXML;
			if (typeof(req.onComplete)=="function") {
				req.onComplete(req);
			}
			if (req.xmlHttpRequest.status==200 && typeof(req.onSuccess)=="function") {
				req.onSuccess(req);
			}
			else if (typeof(req.onError)=="function") {
				req.onError(req);
			}

			// Clean up so IE doesn't leak memory
			delete req.xmlHttpRequest['onreadystatechange'];
			req.xmlHttpRequest = null;
		};
	req.onTimeoutInternal =
		function() {
			if (req!=null && req.xmlHttpRequest!=null && !req.onCompleteInternalHandled) {
				req.aborted = true;
				req.xmlHttpRequest.abort();
				AjaxRequest.numActiveAjaxRequests--;
				if (AjaxRequest.numActiveAjaxRequests==0 && typeof(window['AjaxRequestEnd'])=="function") {
					AjaxRequestEnd(req.groupName);
				}
				if (req.groupName!=null) {
					AjaxRequest.numActiveAjaxGroupRequests[req.groupName]--;
					if (AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==0 && typeof(req.onGroupEnd)=="function") {
						req.onGroupEnd(req.groupName);
					}
				}
				if (typeof(req.onTimeout)=="function") {
					req.onTimeout(req);
				}
			// Opera won't fire onreadystatechange after abort, but other browsers do.
			// So we can't rely on the onreadystate function getting called. Clean up here!
			delete req.xmlHttpRequest['onreadystatechange'];
			req.xmlHttpRequest = null;
			}
		};

	// ----------------
	// Instance methods
	// ----------------
	/**
	 * The process method is called to actually make the request. It builds the
	 * querystring for GET requests (the content for POST requests), sets the
	 * appropriate headers if necessary, and calls the
	 * XMLHttpRequest.send() method
	*/
	req.process =
		function() {
			if (req.xmlHttpRequest!=null) {
				// Some logic to get the real request URL
				if (req.generateUniqueUrl && req.method=="GET") {
					req.parameters["AjaxRequestUniqueId"] = new Date().getTime() + "" + req.requestIndex;
				}
				var content = null; // For POST requests, to hold query string
				for (var i in req.parameters) {
					if (req.queryString.length>0) { req.queryString += "&"; }

					req.queryString += encodeURIComponent(i) + "=" + encodeURIComponent(req.parameters[i]);
				}
				if (req.method=="GET") {
					if (req.queryString.length>0) {
						req.url += ((req.url.indexOf("?")>-1)?"&":"?") + req.queryString;
					}
				}
				req.xmlHttpRequest.open(req.method,req.url,req.async,req.username,req.password);
				if (req.method=="POST") {
					if (typeof(req.xmlHttpRequest.setRequestHeader)!="undefined") {
						req.xmlHttpRequest.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
					}
					content = req.queryString;
				}
				if (req.timeout>0) {
					setTimeout(req.onTimeoutInternal,req.timeout);
				}
				req.xmlHttpRequest.send(content);
			}
		};

	/**
	 * An internal function to handle an Object argument, which may contain
	 * either AjaxRequest field values or parameter name/values
	 */
	req.handleArguments =
		function(args) {
			for (var i in args) {
				// If the AjaxRequest object doesn't have a property which was passed, treat it as a url parameter
				if (typeof(req[i])=="undefined") {
					req.parameters[i] = args[i];
				}
				else {
					req[i] = args[i];
				}
			}
		};

	/**
	 * Returns the results of XMLHttpRequest.getAllResponseHeaders().
	 * Only available after a response has been returned
	 */
	req.getAllResponseHeaders =
		function() {
			if (req.xmlHttpRequest!=null) {
				if (req.responseReceived) {
					return req.xmlHttpRequest.getAllResponseHeaders();
				}
				alert("Cannot getAllResponseHeaders because a response has not yet been received");
			}
		};

	/**
	 * Returns the the value of a response header as returned by
	 * XMLHttpRequest,getResponseHeader().
	 * Only available after a response has been returned
	 */
	req.getResponseHeader =
		function(headerName) {
			if (req.xmlHttpRequest!=null) {
				if (req.responseReceived) {
					return req.xmlHttpRequest.getResponseHeader(headerName);
				}
				alert("Cannot getResponseHeader because a response has not yet been received");
			}
		};

	return req;
}

// ---------------------------------------
// Static methods of the AjaxRequest class
// ---------------------------------------

/**
 * Returns an XMLHttpRequest object, either as a core object or an ActiveX
 * implementation. If an object cannot be instantiated, it will return null;
 */
AjaxRequest.getXmlHttpRequest = function() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	}
	else if (window.ActiveXObject) {
		// Based on http://jibbering.com/2002/4/httprequest.html
		/*@cc_on @*/
		/*@if (@_jscript_version >= 5)
		try {
			return new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				return new ActiveXObject("Microsoft.XMLHTTP");
			} catch (E) {
				return null;
			}
		}
		@end @*/
	}
	else {
		return null;
	}
};

/**
 * See if any request is active in the background
 */
AjaxRequest.isActive = function() {
	return (AjaxRequest.numActiveAjaxRequests>0);
};

/**
 * Make a GET request. Pass an object containing parameters and arguments as
 * the second argument.
 * These areguments may be either AjaxRequest properties to set on the request
 * object or name/values to set in the request querystring.
 */
AjaxRequest.get = function(args) {
	AjaxRequest.doRequest("GET",args);
};

/**
 * Make a POST request. Pass an object containing parameters and arguments as
 * the second argument.
 * These areguments may be either AjaxRequest properties to set on the request
 * object or name/values to set in the request querystring.
 */
AjaxRequest.post = function(args) {
	AjaxRequest.doRequest("POST",args);
};

/**
 * The internal method used by the .get() and .post() methods
 */
AjaxRequest.doRequest = function(method,args) {
	if (typeof(args)!="undefined" && args!=null) {
		var myRequest = new AjaxRequest();
		myRequest.method = method;
		myRequest.handleArguments(args);
		myRequest.process();
	}
}	;

/**
 * Submit a form. The requested URL will be the form's ACTION, and the request
 * method will be the form's METHOD.
 * Returns true if the submittal was handled successfully, else false so it
 * can easily be used with an onSubmit event for a form, and fallback to
 * submitting the form normally.
 */
AjaxRequest.submit = function(theform, args) {
	var myRequest = new AjaxRequest();
	if (myRequest==null) { return false; }
	var serializedForm = AjaxRequest.serializeForm(theform);
	myRequest.method = theform.method.toUpperCase();
	myRequest.url = theform.action;
	myRequest.handleArguments(args);
	myRequest.queryString = serializedForm;
	myRequest.process();
	return true;
};

/**
 * Serialize a form into a format which can be sent as a GET string or a POST
 * content.It correctly ignores disabled fields, maintains order of the fields
 * as in the elements[] array. The 'file' input type is not supported, as
 * its content is not available to javascript. This method is used internally
 * by the submit class method.
 */
AjaxRequest.serializeForm = function(theform) {
	var els = theform.elements;
	var len = els.length;
	var queryString = "";
	this.addField =
		function(name,value) {
			if (queryString.length>0) {
				queryString += "&";
			}
			queryString += encodeURIComponent(name) + "=" + encodeURIComponent(value);
		};
	for (var i=0; i<len; i++) {
		var el = els[i];
		if (!el.disabled) {
			switch(el.type) {
				case 'text': case 'password': case 'hidden': case 'textarea':
					this.addField(el.name,el.value);
					break;
				case 'select-one':
					if (el.selectedIndex>=0) {
						this.addField(el.name,el.options[el.selectedIndex].value);
					}
					break;
				case 'select-multiple':
					for (var j=0; j<el.options.length; j++) {
						if (el.options[j].selected) {
							this.addField(el.name,el.options[j].value);
						}
					}
					break;
				case 'checkbox': case 'radio':
					if (el.checked) {
						this.addField(el.name,el.value);
					}
					break;
			}
		}
	}
	return queryString;
};

// -----------------------
// Static Class variables
// -----------------------

/**
 * The number of total AjaxRequest objects currently active and running
 */
AjaxRequest.numActiveAjaxRequests = 0;

/**
 * An object holding the number of active requests for each group
 */
AjaxRequest.numActiveAjaxGroupRequests = new Object();

/**
 * The total number of AjaxRequest objects instantiated
 */
AjaxRequest.numAjaxRequests = 0;