function displayRandomImage()
{
    var images = new Array();
    var path = "images/";

    images[0] = path + "featureimage01.jpg";
    images[1] = path + "featureimage03.gif";
    images[2] = path + "featureimage05.gif";

    var count = images.length;
    var random = Math.round(Math.random() * (count - 1));

	document.write('<img src="' + images[random] + '"');
}

function OpenWindow(url)
{
	// Window size and position
	var winWidth	= 580;
	var winHeight	= 300;
	var posTop		= (screen.height - winHeight) / 2;
	var posLeft		= (screen.width - winWidth) / 2;

	// Window properties
	var winProps	= 'width=' + winWidth + 
					  ',height=' + winHeight +
					  ',top=' + posTop +
					  ',left=' + posLeft +
					  ',menubar=no' +
					  ',toolbar=no' +
					  ',location=no' +
					  ',status=no';

	window.open(url, "", winProps);
}