function fUpp()
{
	var str = new String(document.F.rim.value);
	var xmlHttp;
	var errStr = "<b>Villa:</b> Látið <a href=\"mailto:jon@heimskringla.net\">jon@heimskringla.net</a> vita.<b>";

	try
	{
		xmlHttp = new XMLHttpRequest();
	}
	catch (e)
	{
		try
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				alert("Vafrinn þinn kann ekki AJAX!");
				return false;
			}
		}
	}

	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{
			if(xmlHttp.status == 200)
			{
				var rim = eval( '(' + xmlHttp.responseText + ')' );

				if(rim.result.length)
				{
					document.getElementById('svar').innerHTML = rim.result.join(" ");
				}
				else if (rim.rhyme != "")
				{
					document.getElementById('svar').innerHTML = "<b>Ekkert rímorð fannst!</b>";
				}
				else
				{
					document.getElementById('svar').innerHTML = "";
				}
			}
			else
			{
				document.getElementById('svar').innerHTML = errStr;
			}

		}
	}

	xmlHttp.open("GET", encodeURI("/cgi-bin/rimleit.cgi?rim=" + str), true);
	xmlHttp.send(null);
}