文字实现上下移动
<HTML>
<HEAD>
<TITLE>徐金宝</TITLE>
</HEAD>
<BODY>
<script LANGUAGE="JavaScript">
<!--
done = 0;
step = 4
function anim(yp,yk)
{
if(document.layers) document.layers["napis"].top=yp;
else document.all["napis"].style.top=yp;
if(yp>yk) step = -4
if(yp<60) step = 4
setTimeout('anim('+(yp+step)+','+yk+')', 35);
}
function start()
{
if(done) return
done = 1;
if(navigator.appName=="Netscape") {
 document.napis.left=innerWidth/2 - 145;
 anim(60,innerHeight - 60)
}
else {
 napis.style.left=11;
 anim(60,document.body.offsetHeight - 60)
}

}

//-->
</script>
<DIV id="napis" style="position: absolute; top: -50; color: #D23842; font-family: Arial, Helvetica; font-weight:bold; font-size:40px;">
<P>奥索网欢迎你</P>
</DIV>
<script LANGUAGE="JavaScript">
<!--
setTimeout('start()',10);
//-->
</script>

</BODY>
</HTML>