IE & Drop Down Menus triggering the Pop-Up Blocker

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
	<title>
		Test
	</title>
</head>
<body>
	<form action="/dynamic/main.4d?Support&demo2004_01&RD" method="post" id="signup" name="signup">
		<fieldset id="selects">
			<select name="bedrooms">
				<option selected="selected" value="">
					Bedrooms *
				</option>
				<option value="0">
					Studio
				</option>
				<option value="1">
					1 Bedroom
				</option>
				<option value="1.5">
					Flex 2 Bedrooms
				</option>
				<option value="2">
					2 Bedrooms
				</option>
				<option value="2.5">
					Flex 3 Bedrooms
				</option>
				<option value="3">
					3 Bedrooms
				</option>
			</select>
		</fieldset>
	</form>
</body>
</html>

<form>
<select>
<option>blah</option>
</select>
</form>