function getXMLHttpRequest()
{
	if (window.XMLHttpRequest)
	{
		var XMLhttp = new XMLHttpRequest();
	}
	else if (window.ActiveXObject)
	{
		try
		{
			var XMLhttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(e)
		{
			try
			{
				var XMLhttp = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch(e) {}
		}
	}
	else
	{
		return false;
	}

	return XMLhttp;
}

function md5(identifier)
{
	var XMLhttp = getXMLHttpRequest();
	if (!XMLhttp)
	{
		document.getElementById('md5').value = 'Din webbläsare kan tyvärr inte hantera XMLHttpRequest.';
	}
	else
	{
		var responseInput = document.getElementById('md5');
		XMLhttp.onreadystatechange = function() { md5back(XMLhttp, responseInput); };
		var action = '/ajax_verktyg/md5.php?str=' + identifier.value;
		XMLhttp.open("GET", action, true);
		XMLhttp.send(null);
	}
}

function md5back(XMLhttp, responseInput)
{
	if (XMLhttp.readyState == 4)
	{
		responseInput.value = XMLhttp.responseText;
	}
}