5. A method according to claim 4, further comprising: when said vertical magnification level would cause corresponding contents of said document to be displayed illegibly, displaying in said window, in lieu of said corresponding contents, textual characters that are less complex than said corresponding contents.
5. A method according to claim 4, further comprising: when said vertical magnification level would cause corresponding contents of said document to be displayed illegibly, displaying in said window, in lieu of said corresponding contents, textual characters that are less complex than said corresponding contents. 6. A method according to claim 5, wherein said remaining portion is displayed within said window above said lens and below said lens.