InternetOpen(agent, proxyName, proxyBypass, flags)
Initializes an application's use of the Microsoft� Win32� Internet functions.
Parameters
agent : string
A string that contains the name of the application
or entity calling the Internet functions. This name is used as the user
agent in the HTTP protocol.proxyName : string
proxyBypass : string
flags : int
Combination of INTERNET_FLAG_ASYNC,INTERNET_FLAG_FROM_CACHE, or INTERNET_FLAG_OFFLINE