Ciao scusa allora ero qua...
codice HTML:
<html>
<head>
<script>
document.getElementById("add").onclick = function () {  document.getElementById("html").innerHTML += "<div><a href=\""    + document.getElementById("nome").value    + "\">"    + document.getElementById("url").value    + "</a></div>";};
</script>
</head>
<body>
<form>
<input type="text" ID="nome">
<input type="text" ID="url">
<input type="button" value="ADD!" id="add">
</form>
<div id="html">
</div>
</body>
</html>
Perchè non aggiunge niente?