sry to boder you again but i didnt quite understood youre answer, i got the part where to add the include files on the top of the file or with require_once statment, but i still dont understant how is it posiible to add classes to the constructor with the include statment and not trigger a nested class error...... is it corect to add include files( php classes ) to the constructor, and if so how does php do it.... thank you!!!