here are some links that will explain Cognative therapy in more details -

For example this -

What is cognitive therapy?
Cognitive-behavioral therapy is a relatively short-term, focused psychotherapy for a wide range of psychological problems including depression, anxiety, anger, marital conflict, loneliness, panic, fears, eating disorders, substance abuse, alcohol abuse and dependence and personality problems. The focus of therapy is on how you are thinking, behaving, and communicating today rather than on your early childhood experiences. The therapist assists the patient in identifying specific distortions (cognitive assessment) and biases in thinking and provides guidance on how to change this thinking.

Cognitive therapy helps the patient learn effective self-help skills that are used in homework assignments that help you change the way you think, feel and behave now. Cognitive-behavioral therapy is action-oriented, practical, rational, and helps the patient gain independence and effectiveness in dealing with real-life issues.

is copied from http://www.cognitivetherapynyc.com/problems.asp

and another website that is a good one is

http://www.beckinstitute.org/

and this one is an encyclopedia that explains it very briefly

http://en.wikipedia.org/wiki/Cognitive_therapy