Changes

An ''item filter'' (hazardland, hazard reductionactivity, accident, etc.) returns a list of all corresponding items that were entered in IMSMANG. The results list can be sorted out by paring down the ''filter criteria'' or by ''picking'' other ''column headings''.

The ''search engine'' allows for ''search definitions'' that correspond to more than one ''criterion'' and/or ''criteria'' node(s). Search definitions can have ''linked items'' (hazard reductions activities linked to a hazardland, victims linked to an accident, etc.). A ''criterion'' can be defined by paring down its ''attributes'', ''operators'' and ''values''.