Mine

<script>
function doit(el) {
	var tds = document.getElementsByTagName('td');
		for (var i = 0; i < tds.length; i++) {
		tds.item(i).style.color = el.value;
		}
}
function doit2(el2) {
	var tds = document.getElementsByTagName('hr');
		for (var i = 0; i < tds.length; i++) {
		alert(tds[i].style.color);
		//tds[i].style.fontColor = el2.value;
		}
}
</script>

HR: <select name="el2" onchange="doit2(this)">
<option value="red">Red</option>
<option value="black">Black</option>
<option value="yellow">yellow</option>
</select>

<hr>
<hr>
<hr>