[BETEPAH]

<form action="" method="POST">
	<input id="m" name="">
	<div id="inputs">
		<span>1. -</span> 
		<input name="">
		<input name="">
		<input name="">
	</div>
	<input type="button" onclick="add()" value="click!">
</form>
<script>
var count = 1;
function add() {
	var div = document.createElement ('div');
	div.innerHTML = ++count + '. - <input name=""> <input name=""> <input name="">';
	document.getElementById('inputs').appendChild(div);
}
</script>