void load_datasheet ()
{
   FILE * temp;
   if (datasheet) return;

   sprintf (sbuf, "%s%s", DATASHEET_REPOSITORY, process);
   temp = fopen (sbuf, "r");
   if (!temp) {
      output ('E', "Can't open datasheet for process %s.", process);
      return;
   }
   datasheet = xml_read (temp);
   fclose (temp);
   state = xml_loc (datasheet, "datasheet.state");
   idcount = xml_attrvalnum (state, "idcount");
   queue = xml_loc (datasheet, "datasheet.state.queue");
   sprintf (sbuf, "%s%s", PROCESS_DEFINITION_REPOSITORY, xml_attrval (datasheet, "procdef"));
   temp = fopen (sbuf, "r");
   if (!temp) {
      output ('E', "Can't open process definition for process %s.", process);
      xml_delete (datasheet);
      datasheet = NULL;
      return;
   }
   procdef = xml_read (temp);
   fclose (temp);
}