SCRIPT-BASED USER INTERFACE IMPLEMENTATION DEFINING COMPONENTS USING A TEXT MARKUP LANGUAGE

A computer system as described herein comprises a first browser instance that displays and navigates hyperlinked browsable content. A global script, in the JavaScript language, is responsible for user interface functions. The global script includes event handlers that respond to identified events. A supervisory application program calls the event handlers in response to the defined events. In addition, the supervisory application program exposes methods that allow the global script to open and close dialogs that are specified as HTML files. Such dialogs are displayed in a second browser instance. The global script uses this capability to create appropriate user interface displays in response to system events.