这样试试
标题:<input type=text name=t1 size=20><br>
<script language=javascript>
var today=new Date();
var y,m,d,s;
y=today.getYear();
m=today.getMonth()+1;
d=today.getDate();
s=y+"-"+m+"-"+d;
document.write("日期:<input type=text name=t2 size=20 value="+ s +">");
</script>
<br>
内容:<input type=text name=t3 size=20>