Code:
<script>
<!--
function down() {
if (document.counter.box.value != 0) {
//alert(document.counter.box.value);
print();//print the screen
document.counter.box.value = --document.counter.box.value;//decrement counter
}
}
-->
</script>
<form name=counter>
<input name=box type=text size=2 value=10>
<input type=button onclick=down(); value="minus one">
</form>
save attachment as html and open.