11. The computer program product of claim 7 , the configuration file is an XML file.
7. A computer program product for enhancing accessibility to online electronic documents for visually impaired persons, the computer program product comprising: a computer readable storage medium having computer readable program code embodied therewith, the computer readable program code comprising: computer readable program code configured to parse a structured electronic document including markup language code and scripting language code whose execution is triggered by an occurrence of an event associated with execution of the markup language code, the execution of the scripting language code producing a web presentation unrecognized by a screen reader, the structured electronic document having an embedded configuration file with which the structured electronic document is downloaded, the configuration file being embedded in the structured electronic document when the structured electronic document is initially generated, before the structured electronic document is posted on a web server and made available for subsequent downloading and display, the configuration file mapping one or more accessibility functions to one or more functions performed by the scripting language code that produces the unrecognized web presentation; computer readable program code configured to execute a given function of the scripting language code in response to the occurrence of the event; and computer readable program code configured to perform each accessibility function mapped by the configuration file to the given function in response to the execution of the given function of the scripting language code, wherein the configuration file specifies text obtained from the unrecognized web presentation to be read aloud.