http://www.devpointer.net/ Copyright (C)2006 DevPointer DevPointer provides an index of articles, tutorials, faqs, and other online resources for developers. craig@k5n.us craig@k5n.us http://www.devpointer.net/redirect.php?id=875 Weak JavaScript environments offer the AJAX developer little protection from concurrency dangers, such as one thread modifying the DOM while another reads it. Bruce Wallace offers a mutual exclusion implementation for JavaScript. best gay porn buy viagra