add debet/credit opgroup in multiselect. add debet/credit index (positive/negative number).add utilit to change opgroup (debet/credit). add select/deselect buttons to multiselect.
pain button. add check null group.
add minus/plus sign at summ imput. Add change sign by choose group. Correct delete procedure. Change add procedure (with abs function).
add select all/deselect all icons, add functionality of debet/credit radio, correct put_to_history procedure, some jqerying projects
to do: bug with interface segn of summ
to do: check input summ for numeric
to do: ajaxing main page.