JToolBarHelper/custom

parameters, description

void custom(string task, string icon, string mouse-over-icon, string caption) a custom button. ( joomla v1.5.9 )

Using the khepri toolar images, the icon value could be one of:

send, delete, help, cancel, config, apply, back, forward, save, edit, copy, move, new, upload, assign, html, css, menus, publish, unpublish, restore, trash, archive, unarchive, preview, default