FIELD: physics, computer engineering.
SUBSTANCE: invention relates to information processing. An information processing device, which includes a web browser which displays a web page by analysing a first structured document, comprises storage means for storing a second structured document which includes a description for assigning a tool for processing the first structured document such that the web browser can obtain and analyse the second structured document independent of the first structured document; calling means for calling said tool by the web browser by instructing the web browser to obtain and analyse the second structured document stored in the storage means again, according to an instruction input by a user; and processing means for processing the first structured document according to operation through said tool, called by the calling means.
EFFECT: high efficiency of a web browser.
15 cl, 9 dwg
