//
// This file has been automatically generated by Information Systems Department - Web Cache Software
// Written by Anthony Taylor (Anthony.Taylor@umist.ac.uk), 2000.
// Please refer any problems to me at the above email address. Thanks.
//

function FindProxyForURL(url, host) {

var hash = 0;
var secondary_hash = 0;
if (isPlainHostName(host) ||
//dnsDomainIs(host,".umist.ac.uk") || 
dnsDomainIs(host,"metaservice.umist.ac.uk") || // Anthony Taylor (16/08/2001)
//dnsDomainIs(host,"mulder.umist.ac.uk") || // Anthony Taylor ()
//dnsDomainIs(host,"www.umist.ac.uk") || // Anthony Taylor ()
//dnsDomainIs(host,".mcc.ac.uk") || 
//dnsDomainIs(host,".man.ac.uk") || // Anthony Taylor ()
dnsDomainIs(host,".mbs.ac.uk") ||  // Rachid Chalabi (25/04/02 ICA problems)
dnsDomainIs(host,"info.eps.manchester.ac.uk") ||
url.substring(0, 5) == "wais:") {
return "DIRECT";
}
if (shExpMatch(host,"*.microsoft.com"))
 return "PROXY 130.88.96.65:3128";


if (url.substring(0, 5) == "http:") {
////if (isInNet(myIpAddress(), "130.88.96.0", "255.255.224.0") ||
////isInNet(myIpAddress(), "130.88.128.0", "255.255.224.0") ||
////isInNet(myIpAddress(), "130.88.160.0", "255.255.240.0")) 
{

//hash = (host.length % 2);
hash=URLhash(myIpAddress());

//if (hash == 0)
if ( (hash % 2) == 0 )
return "" +
"PROXY 130.88.96.65:3128; "+
"PROXY 130.88.96.66:3128; "+
//"PROXY 130.88.96.67:3128; "+
"DIRECT";
//if (hash == 1)
if ( (hash % 2) == 1 )
return "" +
"PROXY 130.88.96.66:3128; "+
//"PROXY 130.88.96.67:3128; "+
"PROXY 130.88.96.65:3128; "+
"DIRECT";
return "" +
"PROXY 130.88.96.65:3128; "+
//"PROXY 130.88.96.67:3128; "+
"PROXY 130.88.96.66:3128; "+
"DIRECT";
} 
//else {
//return ""+
//"PROXY 130.88.209.20:3128; "+
//"DIRECT";
//}
}else {
return "DIRECT";
}
}

function URLhash(name)
{
var  cnt=0;
	var str=name.toLowerCase(name);
	if ( str.length ==0) {
	 	return cnt;	
	}
	for(var i=0;i < str.length ; i++) {
	   var ch= atoi(str.substring(i,i + 1));
		cnt = cnt + ch;
	}

	return cnt ;
}
function atoi(charstring)
{

	if ( charstring == "a" ) return 0x61; if ( charstring == "b" ) return 0x62;
	if ( charstring == "c" ) return 0x63; if ( charstring == "d" ) return 0x64;
	if ( charstring == "e" ) return 0x65; if ( charstring == "f" ) return 0x66;
     if ( charstring == "g" ) return 0x67; if ( charstring == "h" ) return 0x68;
	if ( charstring == "i" ) return 0x69; if ( charstring == "j" ) return 0x6a;
	if ( charstring == "k" ) return 0x6b; if ( charstring == "l" ) return 0x6c;
	if ( charstring == "m" ) return 0x6d; if ( charstring == "n" ) return 0x6e;
	if ( charstring == "o" ) return 0x6f; if ( charstring == "p" ) return 0x70;
	if ( charstring == "q" ) return 0x71; if ( charstring == "r" ) return 0x72;
	if ( charstring == "s" ) return 0x73; if ( charstring == "t" ) return 0x74;
	if ( charstring == "u" ) return 0x75; if ( charstring == "v" ) return 0x76;
	if ( charstring == "w" ) return 0x77; if ( charstring == "x" ) return 0x78;
	if ( charstring == "y" ) return 0x79; if ( charstring == "z" ) return 0x7a;
	if ( charstring == "0" ) return 0x30; if ( charstring == "1" ) return 0x31;
	if ( charstring == "2" ) return 0x32; if ( charstring == "3" ) return 0x33;
	if ( charstring == "4" ) return 0x34; if ( charstring == "5" ) return 0x35;
	if ( charstring == "6" ) return 0x36; if ( charstring == "7" ) return 0x37;
	if ( charstring == "8" ) return 0x38; if ( charstring == "9" ) return 0x39;
	if ( charstring == "." ) return 0x2e;
	return 0x20;
}