combo handling available on yui.yahooapis.com

If you are using the AutoComplete Control, instead of

<script type="text/javascript" src="http://yui.yahooapis.com/2.5.2/build/yahoo/yahoo-min.js"></script>
<script type="text/javascript" src="http://yui.yahooapis.com/2.5.2/build/dom/dom-min.js"></script>
<script type="text/javascript" src="http://yui.yahooapis.com/2.5.2/build/event/event-min.js"></script>
<script type="text/javascript" src="http://yui.yahooapis.com/2.5.2/build/autocomplete/autocomplete-min.js"></script>

you can use

<script type="text/javascript" src="http://yui.yahooapis.com/combo?2.5.2/build/yahoo/yahoo-min.js&2.5.2/build/dom/dom-min.js&2.5.2/build/event/event-min.js&2.5.2/build/autocomplete/autocomplete-min.js"></script>