var bildercount=bilder.length-1;
var current = bildercount*(Math.random());
current = Math.round(current);
if (current < bildercount)
{
	current=current+1;
}
else
{
	current=0;
}

function diashow_next()
{
	if (current < bildercount)
	{
		current=current+1;
	}
	else
	{
		current=0;
	}

	if (document.getElementById)
	{
		document.getElementById('dispimage').src = bilder[current];
		document.getElementById('bildtitel').innerHTML = titel[current];
	}
	else if (document.all && !document.getElementById)
	{
		document.images['dispimage'].src = bilder[current];
		document.images['bildtitel'].innerHTML = titel[current];
	}
	window.setTimeout("diashow_next()", 4000);
}