A surgical drape, system and method of using comprise a surgical drape having a fenestration to be placed over a surgical site of a patient. Each graphical structure depicts a storage hierarchy or logic, and can include a link or reference to stored data objects. Through the star network, the first computing device receives audio streams from the other computing devices. The expansion unit generates an online code describing a definition of a procedure to be called by the procedure call obtained by the detection unit. Specifically, the invention is directed to an animal collar containing encapsulated or artificial stones containing cholesteric liquid crystals called mood stones that can identify the mood of an animal based on changes in body temperature.