1. A method for obtaining executed documents from a job applicant through a communication network to enable a potential employer to conduct a pre-employment background investigation of the job applicant, the method comprising notifying the job applicant that said pre-employment background investigation requires execution of documents; providing a job applicant interface connected to said communication network and to a processor for input of application information by the job applicant and for capture by a processor connected to said communication network; providing a document selection interface connected to said communication network through which the job applicant can select particular documents for execution which are stored on a database connected to said communication network and to said processor; storing the job applicant's selection of the particular documents; providing a job applicant signature input interface connected to said communication network and to said processor with a signature capture box that represents the movement of a graphical input device at the job applicant interface; capturing a signature analogue corresponding to the movement of the graphical input device in the signature capture box by means of said processor; linking the signature analogue to the particular documents selected by the job applicant; and creating a composite document image corresponding to each particular selected document, wherein the signature analogue is combined with each particular selected document, whereby each composite document image is a legally executed document.