Patent ID: 7840906

Claim:
A display management unit for displaying, on a screen, a current portion of a document, wherein a scrollable interactive page of the document requires a display area of greater dimension than the dimension of said screen, said unit comprising: a unit for linking to a remote server, said server delivering interactive documents consisting of main documents and of secondary documents, a display unit for controlling the display on the screen of a current portion of said scrollable interactive page, a memory and a unit for managing the memory comprising a unit for allocating priority levels so as to allocate each secondary document of the scrollable interactive page a priority level which is dependent on the positioning of each secondary document with respect to the current portion displayed on the screen, wherein each secondary document of the interactive page is allocated a priority level using a model such that the priority of a secondary document depends on its distance with respect to the central point of a new current portion to be displayed, and a memory control unit for controlling storage of the secondary documents having the highest priority levels in the memory, in cooperation with the linking unit for accessing certain secondary documents having the highest priority levels when the secondary documents are not stored in the memory, wherein the unit for allocating priority levels is configured to, when the current portion of the scrollable interactive page is scrolled to display the new current portion, update the priorities of each of the secondary documents according to the model as a function of the relative position of each secondary document with respect to the new current portion displayed.