<head<script language="javascript" type="text/javascript">


function changebild() {
	document.images[0].src = "cam.jpg";
	}

function zeahler() {
if(count > 0) {
	ausgabe = 'Neues Bild in [b]'+ count +'<\/b> Sekunden!';
	count--;
	document.all.id.innerHTML = ausgabe ;
}
else
{
	count = 20;
}
}	

</script>
</head>
<script language="javascript" type="text/javascript">
var count = 20;

function stopall() {
	window.clearInterval(bild);
	window.clearInterval(zeahler);
}
var bild = window.setInterval("changebild()", 1000);

var zeahler = window.setInterval("zeahler()", 1000);
</script>