This plugin makes select boxes look nice. It also provides a search bar to sift through the collection.
<select title="Choose a country..." id='form_field' style="width:350px;" multiple class="chzn-select"> <script>$("#form_field").chosen()</script>
Demos and examples available here http://harvesthq.github.com/chosen/
The jQuery was written and made available by the following folks.
Chosen jQuery Plugin is hosted on Github at https://github.com/harvesthq/chosen