function ajaxFunction(filename)
{
	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try
	{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer Browsers
		try
		{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				// Something went wrong
				alert("Your browser is broken!");
				return false;
			}
		}
	}

       // Create a function that will receive data sent from the server
	ajaxRequest.onreadystatechange = function()
	{
		if(ajaxRequest.readyState == 4)
		{                      		
                        var ajaxDisplay = document.getElementById('ajaxDiv');
			ajaxDisplay.innerHTML = ajaxRequest.responseText;
		}
	}
	

	var akey = document.getElementById('akey').value;
	//var action = document.getElementById('action').value;
	
	//var queryString = "check.php?key=" + encodeURI(akey);
	var queryString = filename+"?key=" + encodeURI(akey);
	
	ajaxRequest.open("GET", queryString, true);
        //ajax.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	ajaxRequest.send(null);
}