Here is a list of helpful facts concerning copyright and the Internet:
The right to make a derivative work is the right of the copyright holder. Permission should be sought before taking and manipulating graphics, artwork, or text from web sites for use in one's own works.
If you are the copyright holder or the electronic work is in the public domain, there is no problem with manipulating or copying the work. Public domain refers to objects that are not protected by copyright. There are several types of works in the public domain, primarily works on which the copyright has expired.
