var xmlreqs = 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) {

	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); }

	if (xmlreqs[pos].xmlhttp) 

		{		

		xmlreqs[pos].freed = 0;		

		xmlreqs[pos].xmlhttp.open("GET",url,true);		

		xmlreqs[pos].xmlhttp.onreadystatechange = function() 

			{			

			if (typeof(xmlhttpChange) != 'undefined') { xmlhttpChange(pos); }

			}		

if (window.XMLHttpRequest) 

			{

			xmlreqs[pos].xmlhttp.send(null);

			} 

		else if (window.ActiveXObject) 

			{

			xmlreqs[pos].xmlhttp.send();

			}

	}

}



function xmlreqPOST(url,data) {

	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); }

	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); }

		}

		xmlreqs[pos].xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

		xmlreqs[pos].xmlhttp.send(data);

	}

}



function xmlhttpChange(pos) {

	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.responseXML);

			// Get your response here..

		} else {			

			handle_error();

		}

		xmlreqs[pos].freed = 1;

	}

}



function handle_error()

	{

		return true;

	}