dreamwaver制作滚动新闻

<SCRIPT language=JavaScript>
<!--//
var version = "other"
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) version = "n3";
else if (browserName == "Netscape" && browserVer < 3) version = "n2";
else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version = "e4";
else if (browserName == "Microsoft Internet Explorer" && browserVer < 4) version = "e3";
function marquee1()
{
if (version == "e4")
{
document.write("<marquee behavior=scroll direction=up width=260 height=130 scrollamount=1 scrolldelay=60 onmouseover='this.stop()' onmouseout='this.start()'>")
}