function ajax_req(json_ertek,req_url,obj,egyebek){
	
var http;
if (window.XMLHttpRequest){ http=new XMLHttpRequest("Msxml2.XMLHTTP");}	// code for IE7+, Firefox, Chrome, Opera, Safari
else{http=new ActiveXObject("Microsoft.XMLHTTP");}// code for IE6, IE5

http.open("POST",req_url,true);
http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
//http.setRequestHeader("Content-length", json_ertek.length);
//http.setRequestHeader("Connection", "close");

http.onreadystatechange = function() {//Call a function when the state changes.
	if(http.readyState == 4 && http.status == 200) {
		if (obj=="frissit"){
			kosar_info("frissit","");
			}
		else if (obj=="valami"){
			
			}
		else if (obj!="-nem-"){
			txt_2_id(http.responseText,obj);
			if(egyebek['utana']=="fuggveny"){
				window[egyebek['fuggveny_nev']](egyebek['fuggveny_arg']);
				}
			}
		
		}
	
}
http.send(json_ertek);
}

function txt_2_id(txt,id){
	document.getElementById(id).innerHTML=txt;
	}