Patent ID: 8495504

Claim:
A system comprising: a memory configured for storing navigation area branch information; and a user interface configured for accepting customizable selections for: displaying navigational area branches by using the navigation area branch information; controlling expansion of the navigational area branches; selecting particular navigational area branches; and preventing the selected particular navigational area branches from collapsing upon exceeding a predetermined maximum number limit, by collapsing other navigational area branches to maintain the predetermined maximum number limit, wherein the predetermined maximum number limit representing a selectable number limit of the navigational area branches allowed to remain in an expanded state, wherein a particular selected navigational area branch prevented from collapsing that remains expanded is a leaf-node of a previously expanded navigational area branch that collapses upon exceeding the predetermined maximum number limit for the navigational area branches allowed to remain in the expanded state, and wherein the customizable selections for controlling expansion of the navigational area branches comprise selecting a particular number limit for the navigational area branches allowed to remain in an expanded state at any given time.