提醒功能

<div id="header">

<script type="text/javascript">
now = new Date(),
hour = now.getHours()
if(hour < 6){document.write("尊敬的用户：您来的可真早！")}
else if (hour < 8){document.write("尊敬的用户：新的一天开始啦！")}
else if (hour < 12){document.write("尊敬的用户：上午好！")}
else if (hour < 14){document.write("尊敬的用户：中午好！")}
else if (hour < 18){document.write("尊敬的用户：下午好！")}
else if (hour < 22){document.write("尊敬的用户：晚上好！")}
else if (hour < 24){document.write("尊敬的用户：夜深了，早点休息吧！")}
</script>

【今天是

<script type="text/javascript">
today=new Date();
function initArray(){
this.length=initArray.arguments.length
for(var i=0;i<this.length;i++)
this[i+1]=initArray.arguments[i]  }
var d=new initArray(
"星期日",
"星期一",
"星期二",
"星期三",
"星期四",
"星期五",
"星期六");
document.write(
"<font style='font-size:9pt;font-family: 宋体'> ",
today.getFullYear(),"-",
today.getMonth()+1,"-",
today.getDate(),"",
"    ",
d[today.getDay()+1],
"</font>" );
</script>

】
</div>