菠菜博

<script src="jquery.js" type="text/javascript"><!--mce:0--></script>
<script src="jquery.autocomplete.js" type="text/javascript"><!--mce:1--></script>

<input id="query" name="q" />

$('#query').autocomplete({
        serviceUrl: 'service/autocomplete.ashx', // Page for processing autocomplete requests
        minChars: 2, // Minimum request length for triggering autocomplete
        delimiter: /(,|;)\s*/, // Delimiter for separating requests (a character or regex)
        maxHeight: 400, // Maximum height of the suggestion list, in pixels
        width: 300, // List width
        zIndex: 9999, // List's z-index
        deferRequestBy: 0, // Request delay (milliseconds), if you prefer not to send lots of requests while the user is typing. I usually set the delay at 300 ms.
        params: { country: 'Yes'}, // Additional parameters
        onSelect: function(data, value){ }, // Callback function, triggered if one of the suggested options is selected,
        lookup: ['January', 'February', 'March'] // List of suggestions for local autocomplete
    });

{
    query:'Li', // Original request
    suggestions:['Liberia','Libyan Arab Jamahiriya','Liechtenstein','Lithuania'], // List of suggestions
    data:['LR','LY','LI','LT'] // Optional parameter: list of keys for suggestion options; used in callback functions.
    }

var ac = $('#query').autocomplete({ /*parameters*/ });
    ac.disable();
    ac.enable();
    ac.setOptons({ zIndex: 1001 });

<div class="autocomplete-w1">
<div id="Autocomplete_1240430421731" class="autocomplete" style="width: 299px;">
<div><strong>Li</strong>beria</div>
<div><strong>Li</strong>byan Arab Jamahiriya</div>
<div><strong>Li</strong>echtenstein</div>
<div class="selected"><strong>Li</strong>thuania</div>
</div>
</div>

.autocomplete-w1 { background:url(img/shadow.png) no-repeat bottom right; position:absolute; top:0px; left:0px; margin:6px 0 0 6px; /* IE6 fix: */ _background:none; _margin:1px 0 0 0; }
.autocomplete { border:1px solid #999; background:#FFF; cursor:default; text-align:left; max-height:350px; overflow:auto; margin:-6px 6px 6px -6px; /* IE6 specific: */ _height:350px; _margin:0; _overflow-x:hidden; }
.autocomplete .selected { background:#F0F0F0; }
.autocomplete div { padding:2px 5px; white-space:nowrap; overflow:hidden; }
.autocomplete strong { font-weight:normal; color:#3399FF; }