Alternate marquee with up direction

1. Without Mouseover marquee code & Demo
Code:
<marquee direction="up" height=" 40px"  behavior="alternate"> up direction alternate marquee </marquee>
Demo  / up direction alternate marquee
2. Marquee Code and Demo with Mouseover
code:
<marquee direction="up" height=" 40px"  behavior="alternate" onMouseOver="this.stop();" onMouseOut="this.start();">up directon altarnate marquee with mouseover</marquee>
Demo up directon altarnate marquee with mouseover