function FindProxyForURL(url, host) {
	// our local URLs from the domains below private.com.au don't need a proxy:
	if (shExpMatch(host,"*.private.com.au") &&
		!shExpMatch(host,"www.private.com.au") &&
		!shExpMatch(host,"ftp.private.com.au") &&
		!shExpMatch(host,"www.abc.private.com.au"))	
		{return "DIRECT";}
	
		
	// Local URLS that should not be load balanced using URLHash:	
	if ((shExpMatch(host,"*.abc.com.au")) ||
		(shExpMatch(host,"abc.com.au")) ||
		(shExpMatch(host,"*.def.com.au")) ||
		(shExpMatch(host,"*.privatelink.com.au")) ||
		(shExpMatch(host,"privatelink.com.au")) ||		
		(shExpMatch(host,"*.asdf.com.au")) ||
		(shExpMatch(host,"sdfg.com.au")))
		{return "PROXY 192.168.154.22:8080; PROXY 192.168.154.23:8080; PROXY 192.168.154.20:8080; PROXY 192.168.154.21:8080";}
	
	// our local URLs from the domains below *asdgfdf.co.nz don't need a proxy:
	if ((shExpMatch(host,"intranet.sfghdghdgh")))
		{return "DIRECT";}	
	

	// IP address based URLs within this network don't need a proxy
	if ((shExpMatch(host,"127.0.0.1")) ||
		(shExpMatch(host,"10.*.*.*")) ||
		(shExpMatch(host,"192.168.*.*")))
		{return "DIRECT";}
	
	// Unqualified names (eg privatenet) must be local. Go direct.
	if (isPlainHostName(host)) {return "DIRECT";}
		
	ret = (URLhash2(url) % 4);
	if (ret == 0) {return "PROXY 192.168.154.20:8080; PROXY 192.168.154.21:8080; PROXY 192.168.154.22:8080; PROXY 192.168.154.23:8080";}
	if (ret == 1) {return "PROXY 192.168.154.21:8080; PROXY 192.168.154.22:8080; PROXY 192.168.154.23:8080; PROXY 192.168.154.20:8080";}
	if (ret == 2) {return "PROXY 192.168.154.22:8080; PROXY 192.168.154.23:8080; PROXY 192.168.154.20:8080; PROXY 192.168.154.21:8080";}
	if (ret == 3) {return "PROXY 192.168.154.23:8080; PROXY 192.168.154.20:8080; PROXY 192.168.154.21:8080; PROXY 192.168.154.22:8080";}
}
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 ;
}
/* 
   URLhash2( ) for directory name hash computing version.
   written by SHARP Corp in Feb 1997
   
   Objects in a same directory will be accessed via the same proxy.
   Use URLhash2( ) instead of URLhash( ) if you prefer to use persistent
   connection in HTTP 1.1
   http://www.sharp.co.jp/sample/test/img/mebius.gif
   http://www.sharp.co.jp/sample/test/img/zaurus.gif
   http://www.sharp.co.jp/sample/test/img/wiz.gif
   <------------------------------------->
         directory name hashing here
   
*/
function URLhash2(name)
{
var  cnt=0; 
var  dirptr=0;
	var str=name.toLowerCase(name);
	if ( str.length ==0) {
	 	return cnt;	
	}
/* skip filename in directory */
	for(var i=str.length - 1;i >=0 ; i--) {
		if ( str.substring(i,i +1) == '/' ) {
			dirptr = i+1 ;
			break;
		}
	}
	for(var i=0;i < dirptr; 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;
}