Exemplary embodiments involve a processor receiving a function call formatted to interact with a relational database. At least one of the one or more JavaScript instruction sets are extracted from the web page and a JavaScript field identifier is inserted into the web page to optimize the web page which is then provided. The network client may be visible or invisible to a user of the in-flight entertainment system, depending on whether a web browser or a virtual web browser is used as a network client. In certain embodiments, the process focuses on the DVB-H standard. The second isolation extends down from the surface of the substrate and is adjacent to the first well.