Multi-layer focusing method and apparatus therefor

The invention can be interactive content system (e.g., computer, DVD-player, PDA, cell phone, etc.) by using the apparatus effectively Navigation (Navigation) having a limited input keys a number of content being played back on to regenerate (Interactive contents) how to make and to the device. Multi-layered focusing method for focusing contents provided in a plurality of hierarchical structure according to the invention by giving the layer values ​​to (a) the content elements to form a focusing layer, (b) it keontecheu included in any of the focusing layer that comprises the elements provided to the user and, (c) receiving input commands sikira moving the focusing from the user to move the focusing accordingly characterized. In accordance with the present invention by using a device (such as a TV remote control, etc.) with a defined input key for any medium to use the interactive content (Interactive Contents) manufactured using, for example, a markup language (Markup Language), a variety of navigation the effect can be.