var xmlhttp;

function showPrint(str)
	{
		xmlhttp=GetXmlHttpObject();
		
		if (xmlhttp==null)
			{
				alert ("Browser does not support HTTP Request");
				return;
			}
			
		var url="header_ajax.php";
		url=url+"?w="+str;
		url=url+"&sid="+Math.random();
		xmlhttp.onreadystatechange=stateChanged2;
		xmlhttp.open("GET",url,true);
		xmlhttp.send(null);
	}