@Override
				public String parseParms(final String parms)
				{
					final String numStr=CMParms.getParmStr(parms, "PERCENT", "");
					if(!CMath.isInteger(numStr))
						return "Error: Missing or invalid PERCENT parameter: "+numStr+"!";
					this.pct=CMath.s_int(numStr);
					final String areaID=CMParms.getParmStr(parms, "AREA", "").toUpperCase().trim();
					if(areaID.length()==0)
						return "Error: Missing AREA parameter: "+areaID+"!";
					if((CMLib.map().getArea(areaID)==null)&&(!areaID.equals("WORLD")))
						return "Error: Unknown AREA: "+areaID+"!";
					this.areaID=areaID;
					return "";
				}