var counties = new Array(313,"Metro Detroit",1,"Alcona",2,"Alger",3,"Allegan",4,"Alpena",5,"Antrim",6,"Arenac",7,"Baraga",8,"Barry",9,"Bay",10,"Benzie",11,"Berrien",12,"Branch",13,"Calhoun",14,"Cass",15,"Charlevoix",16,"Cheboygan",17,"Chippewa",18,"Clare",19,"Clinton",20,"Crawford",21,"Delta",22,"Dickinson",23,"Eaton",24,"Emmet",25,"Genesee",26,"Gladwin",27,"Gogebic",28,"Grand Traverse",29,"Gratiot",30,"Hillsdale",31,"Houghton",32,"Huron",33,"Ingham",34,"Ionia",35,"Iosco",36,"Iron",37,"Isabella",38,"Jackson",39,"Kalamazoo",40,"Kalkaska",41,"Kent",42,"Keweenaw",43,"Lake",44,"Lapeer",45,"Leelanau",46,"Lenawee",47,"Livingston",48,"Luce",49,"Mackinac",50,"Macomb",51,"Manistee",52,"Marquette",53,"Mason",54,"Mecosta",55,"Menominee",56,"Midland",57,"Missaukee",58,"Monroe",59,"Montcalm",60,"Montmorency",61,"Muskegon",62,"Newaygo",63,"Oakland",64,"Oceana",65,"Ogemaw",66,"Ontonagon",67,"Osceola",68,"Oscoda",69,"Otsego",70,"Ottawa",71,"Presque Isle",72,"Roscommon",73,"Saginaw",74,"Sanilac",75,"Schoolcraft",76,"Shiawassee",77,"St. Clair",78,"St. Joseph",79,"Tuscola",80,"Van Buren",81,"Washtenaw",82,"Wayne",83,"Wexford");
var Superior = new Array(2,7,17,21,22,27,31,36,42,48,49,52,55,66,75);
var North = new Array(1,4,5,10,15,16,20,24,28,35,40,43,45,51,53,57,60,65,67,68,69,71,72,83);
var Grand = new Array(34,41,54,59,61,62,64,70);
var Bay = new Array(6,9,18,25,26,29,32,37,44,56,73,74,79);
var Southwest = new Array(3,8,11,12,13,14,39,78,80);
var University = new Array(19,23,30,33,38,46,47,58,76,81);
var Metro = new Array(0,50,63,77,82);
var countiesByRegion = new Array(Superior, North, Grand, University, Southwest, Metro, Bay);