One final update. The way one sets the path to required files is very important. I found it is best to use instead of relative paths. Regards Julian On Fri, Jun 5, 2009 at 2:19 PM, Julian Muscat Doublesin < opensourcekb@xxxxxxxxx> wrote: > Update. > > Hello Everyone, > > First of all, thank you all for your input. I ran a sinmple test using the > suggestions you gave me and and require_once. > > Using firebug to test the output, I got an internal server error. I found > out what the problem was. > > What I am doing is I have classes which represent the objects, another > class containing the functions. From the function class I create an instance > of each object, manipulate the information, return the HTML result. Finally > I have a runner class that creates an instance of the function class, calls > the function required and outputs the information. > > What the problem was for some reason I was did not create an instance of > the function class, just was calling the function. Well by creating the > runner class I solved the problem. > > Thanks all for your help. > > Regards > > Julian >