function valt(mire)
	{
	hova='kep';
	// Mozilla and Friends 
	if (window.XMLHttpRequest)
		{ 
		req = new XMLHttpRequest(); 
		}
	  else
	  	if (window.ActiveXObject)
	  		{ 
			// Internet Explorer 
			req = new ActiveXObject("Microsoft.XMLHTTP");
			}

	req.onreadystatechange = valtoz;
	req.open("GET", "/kepezo.php?mit="+mire, true);
	req.send(null);
	return false;
	} 

function valtoz()
	{ 
	// wait until the request is done 
	if (req.readyState == 4)
		{ 
		// Make sure request came back OK 
		if (req.status == 200)
			{ 
			vissza=req.responseText;
			if (vissza.length > 0)
				{
				document.getElementById(hova).innerHTML=vissza;
				}
			  else
				{
				alert("Nincs adat!"); 
				}
			}
		}
	}