<script type="Javascript">
function afteller(x){
span = document.getElementById('afteller');
x = (!x) ? 30 : x;
if(x > 0){
span.innerHTML = x-1;
setTimeout("afteller('" + (x-1) +"')", 1000);
}
}
</script>
<span id="afteller">__HIER HET AANTAL SECONDEN DAT JE WIL AFTELLEN__</span>
<script type="Javascript">
function afteller(x){
span = document.getElementById('afteller');
x = (!x) ? 30 : x;
if(x > 0){
span.innerHTML = x-1;
setTimeout("afteller('" + (x-1) +"')", 1000);
}
}
</script>
<span id="afteller">__HIER HET AANTAL SECONDEN DAT JE WIL AFTELLEN__</span>