If you are using this for your own purpose, please let me know your feelings. You may not modify this class because: * It is already tested, * It has a lot of revisions and maturity. * There is no real need to modifiy this. However, if you do modify, please let me know. You may use this class file to keep it in a commercial production. But, please write about my website and name in some visible pages, like, about us, and the used classes. Thank you for re-engineering your websites with this class.