You can make use of combox box as an alternate to datalist available here.
div.combobox {font-family: Tahoma;font-size: 12px}
div.combobox {position: relative;zoom: 1}
div.combobox div.dropdownlist {display: none;width: 200px;
border: solid 1px #000;background-color: #fff;
height: 200px;overflow: auto;position: absolute;
top: 18px;left: 0px;}
div.combobox .dropdownlist a {display: block;text-decoration: none;
color: #000;padding: 1px;height: 1em;cursor: default}
div.combobox .dropdownlist a.light {color: #fff;
background-color: #007}
div.combobox .dropdownlist, input {font-family: Tahoma;font-size: 12px;}
div.combobox input {float: left;width: 182px;
border: solid 1px #ccc;height: 15px}
div.combobox span {border: solid 1px #ccc;background: #eee;
width: 16px;height: 17px;
float: left;text-align: center;border-left: none;cursor: default}
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Item1
Item2
Item3
var no = new ComboBox('cb_identifier');
download combobox plugin from: