Check out
http://javascript.internet.com/user...age.html#source
The section on check plugin redirect says:
<!-- ONE STEP TO INSTALL PLUGIN PAGE:
1. Add the first code to the BODY of your HTML document -->
<!-- STEP ONE: Add the first code to the BODY of your HTML document -->
<BODY>
<SCRIPT LANGUAGE="JavaScript">
<!-- Original: Mattias Jonsson (gt96mjn@blg.du.se) -->
<!-- Web Site:
http://www.du.se/~gt96mjn -->
<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!!
http://javascript.internet.com -->
<!-- Begin
var plugin=navigator.plugins["Shockwave Flash"];
if (plugin) {
window.location=('http://www.page.with.plugin.com');
}
else {
window.location=('http://www.page.without.plugin.com');
}
// End -->
</script>
<p><center>
<font face="arial, helvetica" size="-2">Free JavaScripts provided<br>
by <a href="http://javascriptsource.com">The JavaScript Source</a></font>
</center><p>
<!-- Script Size: 0.72 KB -->
Adam M
adam@chamele.com