The following events are available in dhtmlxAccordion:

• onActive - occurs when the user clicks the left mouse button on item's heading;
• onBeforeActive - occurs when the user clicks on an item but before this item becomes active and opens;
• onDock - occurs when the window docked into the accordion;
• onUnDock - occurs when the accordion's cell undocked into the windows.

The user can add any user-defined handler to any of the available events. To do this the user can use attachEvent() method with the following parameters:

• evName - name of the event;
• evHandler - user-defined event handler.

    dxhAccord.attachEvent(evName, evHandler);

Note: the names of the events are case-insensitive.