Possible Duplicate:
Website screenshots using PHP
IF anyone knows or has a script that takes screenshots of a website let us know i need use only div,css,p,b,strong,br,hr,img tags support like this code http://www.rabuser.info/painty.php
Read some of the suggestions posted in response to this question.
There appear to be several scripts that will perform this for you, you just need to do a bit of research.