[Cap'n Steve]

Use this:

<form name="voting" id="voting" action="$vboptions[bburl]/quotes.php">
	<input type="hidden" name="quoteid" id="quoteid" value="$randomquote[quoteid]" />
 	<input type="hidden" name="do" id="do" value="rate" />
	<select name="vote" id="vote" onchange="document.voting.submit();">
	<option value="">Average Rating: $randomquote[average]</option>
	<option value="1">1</option>
	<option value="2">2</option>
	<option value="3">3</option>
	<option value="4">4</option>
	<option value="5">5</option>
	</select>
	</form>