if (document.images) 
{
	var b1 = new Image(); b1.src = "knabben1.gif"
	var b2 = new Image(); b2.src = "stw1.jpg"
	var b3 = new Image(); b3.src = "edvk2.gif"
	var b4 = new Image(); b4.src = "heister1.jpg"
	var count = 4;
	var links = new Array(count);
	links[0] = "http://www.fahrschule-knabben.de";
	links[1] = "http://www.stadtwerke-willich.de";
	links[2] = "http://www.edv-kluehs.de";
	links[3] = "http://www.sport-heister.de";
	var alt = new Array(count);
	alt[0] = "Fahrschule Knabben";
	alt[1] = "Stadtwerke Willich";
	alt[2] = "EDV-Beratung Klühs";
	alt[3] = "Sport-Heister";

	var link = -1;
}

function NextBanner()
{
	if (document.images)
	{
		var jetzt = new Date();
		var mili = jetzt.getTime();
		link = mili - (Math.floor(mili / count) * count) + 1;
		document["banner"].src = eval('b' + link + '.src');
		document["banner"].alt = alt[link - 1]
	}
}

function ShowLink()
{
	if (link > 0 && link <= count)
	{
		if (links[link -1 ] != "")
			window.open(links[link - 1]);
	}
}