F.eks.
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"
http://www.w3.org/TR/html4/loose.dtd"><html>
<head>
<title>Vis tid</title>
<meta name="keywords" content="roenving,
http://www.eksperten.dk/spm/535128"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css">
html,body{height:100%;margin:0px;border:0px;padding:0px;font-family:tahoma,verdana,arial,sans-serif;font-size:small;}
</style>
<script language="javascript" type="text/javascript">
var tidId = 0,tid;
function startTid(){
tid = new Date();
visTid();
tidId = setInterval('visTid()',1000);
}
function stopTid(){
clearInterval(tidId);
}
function visTid(){
var t = tid.age(),txt="";
for(i=0;5>i;i++){
txt += (t[i]>0||txt!="")?rD_twoDigits(t[i])+":":"";
}
txt += rD_twoDigits(t[5]);
document.getElementById('minSpan').innerHTML = txt;
}
</script>
<script language="javascript" type="text/javascript" src="roenvingDate.js"></script>
</head>
<body>
<br>
<button name="button1" id="button1" onclick="startTid();return false;">Start tid</button><br><br>
<button name="button2" id="button2" onclick="stopTid();return false;">Stop tid</button>
<br>
<br>
<span id="minSpan">En span-tekst</span>
</body>
</html>