Accordion

css class Element
.dhx_accordionitem a single pane of the accordion
.dhx_accordionitem_body the body of the pane
.dhx_accordionitem_header the header of the pane
.dhx_accordionitem_label the label of the header
.dhx_accordionitem_button the arrow ( regardless of state)
.dhx_accordionitem_button.collapsed the 'collapsed' arrow