Dreamweaver怎么做滚动字幕啊？

一套向上滚动字幕的代码：
<marquee behavior="scroll" direction="up" width="200" height="150" loop="-1" scrollamount="1" scrolldelay="1" style="font:12px;" onMouseOver="this.stop();" onMouseOut="this.start();">滚动字幕内容</marquee>

<marquee>