请帮我改下。让倒计时出现的字是白色

<script language="JavaScript">
var urodz= new Date("3/30/2005");
var s="今天离五一劳动节";
var now = new Date();
var ile = urodz.getTime() - now.getTime();
var dni = Math.floor(ile / (1000 * 60 * 60 * 24));
document.write(<span style="font-color:#ffffff">);
if (dni > 1)
document.write(""+s+"还有"+dni +"天")
else if (dni == 1)
document.write("只有2天啦！")
else if (dni == 0)
document.write("只有1天啦！")
else
document.write("好象已经过了哦！");
document.write(</span>);
</script>

白色:
if (dni > 1)
document.write("<font color=ffffff>"+s+"还有"+dni +"天</font>")
else if (dni == 1)
document.write("<font color=ffffff>只有2天啦！</font>")
else if (dni == 0)
document.write("<font color=ffffff>只