jQuery UI #8798
http://bugs.jqueryui.com/ticket/8798
HTML
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css">
<script src="http://www.indefinitedesigns.com/jquery.tooltipFix.js"></script>
<p><a href="http://bugs.jqueryui.com/ticket/8798">jQuery UI #8798</a> - <code>tooltip</code> causes <code><select></code> to automatically close in IE. To recreate simply try to select an <code><option></code> in IE.</p>
<select title="Cool tooltip">
<option>A</option>
<option>B</option>
<option>C</option>
</select>
CSS
body { padding: 20px; }
p { line-height: 1.5; margin-bottom: 20px; }
JavaScript
$('select').tooltip();