<script src="/hint.js" type="text/javascript"></script>

<link type="text/css" rel="StyleSheet" href="путь вашего CSS" />
</script>

<style type="text/css">
.hint
{
background: url('http://s40.radikal.ru/i090/0810/20/e9a4f10147df.gif') repeat-x;
background-color: grey21;
line-height:16px;
color: #E8E8E8;
font-family:Verdana, Arial, Helvetica, sans-serif;
font-size:11px;
width:auto;
border-top:1px solid #ccff00;
border-right:1px solid #ccff00;
border-bottom:1px solid #ccff00;
border-left:1px solid #ccff00;
margin:5px;
padding:0px;
position:absolute;
visibility:hidden;
z-index: 2;
}
</style>