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,kasittelija) { 

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

function xmlhttpChange(pos,kasittelija) { 


	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) {
		
		
		
		kasittelija = kasittelija + "("+pos+")"; 
		
		
		
		eval(kasittelija);

		} 
		else { 
		handle_error(); 
		} 
	xmlreqs[pos].freed = 1; 
	} 
}

function getResponseText(pos){

return xmlreqs[pos].xmlhttp.responseText;

}