function GetXmlHttpObject(){
		var xmlHttp=null;
		try	{ xmlHttp=new XMLHttpRequest();	}
		catch (e){ 
			try { 
				xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); 
			}
			catch (e){ 
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
		}
		return xmlHttp;
	}

	var xmlreqs = new Array();
	var xmlactions = new Array();
	var xmlvars = new Array();
	var xmldivs = new Array();

	function CXMLReq(freed) {
		this.freed = freed;
		this.xmlhttp = false;
		if (window.XMLHttpRequest) {
			this.xmlhttp = new XMLHttpRequest();
		} 
		else if (window.ActiveXObject) {
			this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}

	function xmlreqGET(url, theaction, thediv, thevars, ajaxdescription) {
		
		requestcount++;
		var thisrequest = requestcount;
		
		var pos = -1;
		for (var i=0; i < xmlreqs.length; i++) {
			if (xmlreqs[i].freed == 1) { pos = i; break; }
		}
		if (pos == -1) { pos = xmlreqs.length; xmlreqs[pos] = new CXMLReq(1); }

		xmlactions[pos] = theaction;
		xmldivs[pos] 	= thediv;
		xmlvars[pos]	= thevars;

		if (xmlreqs[pos].xmlhttp) {
			xmlreqs[pos].freed = 0;
			xmlreqs[pos].xmlhttp.open("GET",url,true);
			//xmlreqs[pos].xmlhttp.onerror = function(){ alert('error:'+url); }
			xmlreqs[pos].xmlhttp.onreadystatechange = function() {
				if (typeof(xmlhttpChange) != 'undefined') { xmlhttpChange(pos, thisrequest); }
			}
			if (window.XMLHttpRequest) {
				xmlreqs[pos].xmlhttp.send(null);
			} else if (window.ActiveXObject) {
				xmlreqs[pos].xmlhttp.send();
			}
		}
	}

	function xmlreqPOST(url, data, theaction, thediv, thevars, ajaxdescription) {
		
		requestcount++;
		var thisrequest = requestcount;
		
		var pos = -1;
		for (var i=0; i < xmlreqs.length; i++) {
			if (xmlreqs[i].freed == 1) { pos = i; break; }
		}
		if (pos == -1) { pos = xmlreqs.length; xmlreqs[pos] = new CXMLReq(1); }

		xmlactions[pos] = theaction;
		xmldivs[pos] 	= thediv;
		xmlvars[pos]	= thevars;

		
		if (xmlreqs[pos].xmlhttp) {
			xmlreqs[pos].freed = 0;
			xmlreqs[pos].xmlhttp.open("POST",url,true);
			xmlreqs[pos].xmlhttp.onreadystatechange = function() {
				if (typeof(xmlhttpChange) != 'undefined') { xmlhttpChange(pos, thisrequest); }
			}
			xmlreqs[pos].xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			xmlreqs[pos].xmlhttp.send(data);
		}
	}

	function xmlhttpChange(pos, thisrequest) {
		if (typeof(xmlreqs[pos]) != 'undefined' && xmlreqs[pos].freed == 0 && xmlreqs[pos].xmlhttp.readyState == 4) {
			if (xmlreqs[pos].xmlhttp.status == 200 || xmlreqs[pos].xmlhttp.status == 304) {
				handle_response(xmlreqs[pos].xmlhttp.responseText, pos, thisrequest);
			} else {
				// nothing
			}
			xmlreqs[pos].freed = 1;
		}
		else {
		}
	}