function FindProxyForURL(url, host)
{
	url_lower = url.toLowerCase();

	myip = myIpAddress();

	if (
		host == "crazyegg.com" ||
		host == "cetrk.com" ||
		host == "google-analytics.com" ||
		shExpMatch(host, "*.crazyegg.com") ||
		shExpMatch(host, "*.cetrk.com") ||
		shExpMatch(host, "*.google-analytics.com")
	) {
		return  "PROXY crazyegg.ucc.usyd.edu.au:8090; " +
		"PROXY www-cache.ucc.usyd.edu.au:8080"
	}

	// Exchange Labs mail
	if ( 
		host == "live.com" ||
		host == "outlook.com" || 
		host == "wlxrs.com" || 
		host == "urs.microsoft.com" || 
		host == "extended-validation-ssl.verisign.com" || 
		shExpMatch(host, "*.live.com") ||
		shExpMatch(host, "*.outlook.com") ||
		shExpMatch(host, "*.wlxrs.com") ||
		shExpMatch(host, "*.urs.microsoft.com") ||	
		shExpMatch(host, "*.extended-validation-ssl.verisign.com")
	)
	{
		return	"PROXY www-cache-stem.usyd.edu.au:8080";
	}

	// libguides.com
	if ( 
		host == "libguides.library.usyd.edu.au" || 
		shExpMatch(host, "*.libguides.library.usyd.edu.au")
	)
	{
		return	"PROXY www-cache-stem.usyd.edu.au:8080"
	}

	//
	// DIRECT for hospitals wanting stuff from ftp.usyd.edu.au
	// Put here specifically so local LiveUpdate for Norton
	// AntiVirus definitions will work from within the hospitals
	// Please let Tristram know before rubbing this section out.
	//
	if (    shExpMatch(url_lower, "ftp://ftp.usyd.edu.au/*") &&
		(shExpMatch(myip, "156.22.*.*") || shExpMatch(myip, "152.76.*.*"))
	)
		return "DIRECT";


	// 152.76.0.0/16 - USyd staff at RPAH
	if (	shExpMatch(url_lower, "http://*.library.usyd.edu.au/*") &&
		(shExpMatch(myip, "152.76.*.*"))
	)
	{
		return	"PROXY www-cache.usyd.edu.au:8080";
	}


	hostip = dnsResolve(host);

	// NSCCAHS reverse proxy
	if (hostip == "129.78.249.42")
		return "PROXY www-cache.usyd.edu.au:8080";


	//
	// DIRECT for sites on Campus or on the Hospitals net.
	//
	if (	shExpMatch(hostip, "129.78.*")		||
		(hostip == "127.0.0.1")			||
		shExpMatch(hostip, "203.32.106.*")	||
		shExpMatch(hostip, "203.32.107.*")	||
		shExpMatch(hostip, "192.195.170.*")	||
		shExpMatch(hostip, "202.14.66.*")	||
		shExpMatch(hostip, "203.32.142.*")	||
		(shExpMatch(hostip, "10.*.*.*") && 
                !shExpMatch(hostip, "110.*.*.*") && 
                !shExpMatch(hostip, "210.*.*.*"))			||
		shExpMatch(hostip, "172.16.*.*")		||
		shExpMatch(hostip, "172.17.*.*")		||
		shExpMatch(hostip, "172.18.*.*")		||
		shExpMatch(hostip, "172.19.*.*")		||
		shExpMatch(hostip, "172.20.*.*")
	)
		return "DIRECT";

	if (	shExpMatch(hostip, "172.21.*.*")		||
		shExpMatch(hostip, "172.22.*.*")		||
		shExpMatch(hostip, "172.23.*.*")		||
		shExpMatch(hostip, "172.24.*.*")		||
		shExpMatch(hostip, "172.25.*.*")		||
		shExpMatch(hostip, "172.26.*.*")		||
		shExpMatch(hostip, "172.27.*.*")		||
		shExpMatch(hostip, "172.28.*.*")		||
		shExpMatch(hostip, "172.29.*.*")		||
		shExpMatch(hostip, "172.30.*.*")		||
		shExpMatch(hostip, "172.31.*.*")		||
		shExpMatch(hostip, "152.76.*.*")		||
		shExpMatch(hostip, "192.168.*.*")
	)
		return "DIRECT";

	//
	// Bug with some journals - send to cache4
	//
	//J. Biol. Chem.		www.jbc.org
	//
	//Gastroenterology	www.gastrojournal.org
	//
	//Am. J.Physiol		*.physiology.org
	//					includes...
	//					ajpadvan.physiology.org
	//					ajpcell.physiology.org
	//					ajpendo.physiology.org
	//					ajpgi.physiology.org
	//					ajpheart.physiology.org
	//					ajplung.physiology.org
	//					ajpregu.physiology.org
	//					ajprenal.physiology.org
	//					ajpcon.physiology.org
	//
	//Cambridge Uni. Press	www.journals.cup.org
	//						(incl. J.Physiol)
	//
	//J. Histo/Cyto_Chem	www.jhc.org
	//
	//Journal of Physiology	www.jphysiol.org
	//
	//Proceedings of the National Academy of Sciences www.pnas.org
	//
	//
	if (
		shExpMatch(url_lower, "http://www.j[bh]c.org/*") ||
		shExpMatch(url_lower, "http://*.physiology.org/*") ||
		shExpMatch(url_lower, "http://*.jphysiol.org/*") ||
		shExpMatch(url_lower, "http://*.pnas.org/*") ||
		shExpMatch(url_lower, "http://*.oupjournals.org/*") ||
		shExpMatch(url_lower, "http://www.idealibrary.com/*") ||
		shExpMatch(url_lower, "http://www.sciencedirect.com/*") ||
		shExpMatch(url_lower, "http://*.ovid.com/*") ||
		shExpMatch(url_lower, "http://www.jneurosci.org/*") ||
		shExpMatch(url_lower, "http://www.bloodjournal.org/*") ||
		shExpMatch(url_lower, "http://www.genesdev.org/*") ||
		shExpMatch(url_lower, "http://www.ingenta.com/*") ||
		shExpMatch(url_lower, "http://www.scienceonline.org/*") ||
		shExpMatch(url_lower, "http://wos.isiglobalnet2.com/*") ||
		shExpMatch(url_lower, "http://www.sciencemag.org/*") ||
		shExpMatch(url_lower, "http://www.biolreprod.org/*") ||
		shExpMatch(url_lower, "http://www-au.ebsco.com/*") ||
		shExpMatch(url_lower, "http://www.jleukbio.org/*") ||
		shExpMatch(url_lower, "http://www.mims.hcn.net.au/*") ||
		shExpMatch(url_lower, "http://www.emboj.org/*") ||
		shExpMatch(url_lower, "http://*.aspetjournals.org/*") ||
		shExpMatch(url_lower, "http://*.clinchem.org/*") ||
		shExpMatch(url_lower, "http://ajp.psychiatryonline.org/*") ||
		shExpMatch(url_lower, "http://*.endojournals.org/*") ||
		shExpMatch(url_lower, "http://journals.asm.org/*") ||
		shExpMatch(url_lower, "http://mcb.asm.org/*") ||
		shExpMatch(url_lower, "http://*.interscience.wiley.com/*") ||
		shExpMatch(url_lower, "http://wwwlib.global.umi.com/dissertations/gateway/*") ||
		shExpMatch(url_lower, "http://www.journals.cup.org/*") ||
		shExpMatch(url_lower, "http://webspirs.informit.com.au/*") ||
		shExpMatch(url_lower, "http://www.proteome.org:7000/*")
	)
	{
		return	"PROXY www-cache4.usyd.edu.au:8084; PROXY www-cache.usyd.edu.au:8080";
	}


	return	"PROXY www-cache-lvs.usyd.edu.au:8080; " + 
		"PROXY www-cache0.usyd.edu.au:8080";
}