如何把显示时间的字体变小??

朋友们,帮忙看一下,如何在最后第二句加上字体变小的语句??


<TD align="lift">
<script language=JavaScript src="css/date.js">
</script>
<script language=JavaScript src="css/time.js">
</script>
<script language=JavaScript src="css/init.js">
</script>
<script language=javascript>
showtime();
</script></td>