jquery UI autocomplete maxheight css

<style>

    .ui-autocomplete {

        max-height: 100px;

        overflow-y: auto;

        /* prevent horizontal scrollbar */

        overflow-x: hidden;

        /* add padding to account for vertical scrollbar */

        padding-right: 20px;

    }

    /* IE 6 doesn't support max-height

     * we use height instead, but this forces the menu to always be this tall

     */

    * html .ui-autocomplete {

        height: 100px;

    }