A Proxy PAC File for the traveling technician

gistfile1.js

function FindProxyForURL(url, host){
	/* Lancashire Proxy */
	proxy1 = "PROXY proxy.company1.com:8080; DIRECT";
	
	/* Cumbria Proxy */
	proxy2 = "PROXY proxy.company2.com:8080; DIRECT";
	
	/* Set proxy to Direct as the default */
	proxy = "DIRECT";
	
	/* Range Arrays */
	proxy1_ranges = ["10.1.2.0", "10.1.56.0", "10.56.98.0"];
	proxy1_subnet = "255.255.255.0";
	proxy2_ranges = ["10.2.40.0"];
	proxy2_subnet = "255.255.255.0";
	
	/* Specific Detection */
	for(var i in proxy1_ranges){
		if(isInNet(myIpAddress(), proxy1_ranges[i], proxy1_subnet)){
			proxy = proxy1
			iprange = proxy1_ranges[i]
			subnet = proxy1_subnet
		}
	}
	
	if(proxy == "DIRECT"){
		for(var i in proxy2_ranges){
			if(isInNet(myIpAddress(), proxy2_ranges[i], proxy2_subnet)){
				proxy = proxy2
				iprange = proxy2_ranges[i]
				subnet = proxy2_subnet
			}
		}
	}
	
	if(proxy == proxy1 || proxy == proxy2){
		if (isInNet(host, "127.0.0.0",  "255.0.0.0") ||
			isInNet(host, iprange,  subnet) ||
			isPlainHostName(host)){
			proxy = "DIRECT";
		}
	}
	
	/* Return */
	return proxy
}