[Rise]

<input type="checkbox" onclick="del()"/>
<table border="1">
	<tr>
		<td>номер</td>
		<td>имя</td>
	</tr>
	<tr>
		<td>1</td>
		<td>Игорь</td>
	</tr>
	<tr>
		<td>2</td>
		<td>&nbsp;</td>
	</tr>
</table>
<script>
function del() {
	var td = document.getElementsByTagName('td');
	for (var i = 0; i < td.length; i++) {
		if(td[i].innerHTML == '&nbsp;') td[i].parentNode.parentNode.removeChild(td[i].parentNode);
	}
} 
</script>