var xmlhttp;

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

function stateChanged()
	{
		if (xmlhttp.readyState==4)
			{
				document.getElementById("datafield").innerHTML=xmlhttp.responseText;
			}
	}

function GetXmlHttpObject()
	{
		if (window.XMLHttpRequest)
			{
				// code for IE7+, Firefox, Chrome, Opera, Safari
				return new XMLHttpRequest();
			}
			
		if (window.ActiveXObject)
			{
				// code for IE6, IE5
				return new ActiveXObject("Microsoft.XMLHTTP");
			}
			
		return null;
	}