if ($userinput == "elkebella.com")
{
header("http://themadgeek.com/elkebella/index.htm");
}
else if ....
{
header("http://other url");
}
.
.
.
I'm assuming you know how to get the user's
input into a variable.
Make sure you don't pass any text to
the browser prior to executing one of the
header() commands. No echo()'s, no print()'s,
no HTML tags, etc.