function Inint_AJAX() {
	try { return new ActiveXObject("Msxml2.XMLHTTP");  } catch(e) {} //IE
	try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} //IE
	try { return new XMLHttpRequest();          } catch(e) {} //Native Javascript
	alert("XMLHttpRequest not supported");
	return null;
};

function dochange1(src, val) {
	var req = Inint_AJAX();
	req.onreadystatechange = function () {
		if (req.readyState==4) {
			if (req.status==200) {
				document.getElementById(src).innerHTML=req.responseText; //
			}
		}
	};
	
	req.open("GET", "http://www.dcars.eu/quick_drop_down.php?data="+src+"&val="+val); //connection
	req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=tis-620"); // set Header
	req.send(null); //
}