用AJAX实现聊天功能(part 1)

 * Start our session

 */

session_start();

/*

 * Setup the include_path to the ZF library.

 * We set the incubator first so the

 * incubator classes are loaded in preference

 * to core ZF classes where two versions exist.

 *

 * When 0.21 is released, the MVC classes in