//We (www.is.co.za) run a central cache for our customers that they
//access through a firewall - thus if they want to connect to their intranet
//system (or anything in their domain at all) they have to connect
//directly - hence all the "fiddling" to see if they are trying to connect
//to their local domain.
//
//Replace each occurrence of company.com with your domain name
//and if you have some kind of intranet system, make sure
//that you put it's name in place of "internal" below.
//
//We also assume that your cache is called "cache.company.com", and
//that it runs on port 8080. Change it down at the bottom.
//
//(C) Oskar Pearson and the Internet Solution (http://www.is.co.za)

function FindProxyForURL(url, host)
{
    //If they have only specified a hostname, go directly.
    if (isPlainHostName(host))
            return "DIRECT";

    //These connect directly if the machine they are trying to
    //connect to starts with "intranet" - ie http://intranet
    //Connect  directly if it is intranet.*
    //If you have another machine that you want them to
    //access directly, replace "internal*" with that
    //machine's name
    if (shExpMatch( host, "intranet*")||
                    shExpMatch(host, "internal*"))
        return "DIRECT";

    //Connect directly to our domains (NB for Important News)
    if (dnsDomainIs( host,"company.com")||
    //If you have another domain that you wish to connect to
    //directly, put it in here
                    dnsDomainIs(host,"sistercompany.com"))
        return "DIRECT";

    //So the error message "no such host" will appear through the
    //normal Netscape box - less support queries :)
    if (!isResolvable(host))
            return "DIRECT";

    //We only cache http, ftp and gopher
    if (url.substring(0, 5) == "http:" ||
                    url.substring(0, 4) == "ftp:"||
                    url.substring(0, 7) == "gopher:")

    //Change the ":8080" to the port that your cache
    //runs on, and "cache.company.com" to the machine that
    //you run the cache on
            return "PROXY cache.company.com:8080; DIRECT";

    //We don't cache WAIS
    if (url.substring(0, 5) == "wais:")
            return "DIRECT";

    else
            return "DIRECT";
}