Ext.states = [ ['MN','Minnesota']]; Ext.counties = [ ['1','MN','Aitkin'],['3','MN','Anoka'],['5','MN','Becker'],['7','MN','Beltrami'],['9','MN','Benton'],['11','MN','Big Stone'],['13','MN','Blue Earth'],['15','MN','Brown'],['17','MN','Carlton'],['19','MN','Carver'],['21','MN','Cass'],['23','MN','Chippewa'],['25','MN','Chisago'],['27','MN','Clay'],['29','MN','Clearwater'],['31','MN','Cook'],['33','MN','Cottonwood'],['35','MN','Crow Wing'],['37','MN','Dakota'],['39','MN','Dodge'],['41','MN','Douglas'],['43','MN','Faribault'],['45','MN','Fillmore'],['47','MN','Freeborn'],['49','MN','Goodhue'],['51','MN','Grant'],['53','MN','Hennepin'],['55','MN','Houston'],['57','MN','Hubbard'],['59','MN','Isanti'],['61','MN','Itasca'],['63','MN','Jackson'],['65','MN','Kanabec'],['67','MN','Kandiyohi'],['69','MN','Kittson'],['71','MN','Koochiching'],['73','MN','Lac Qui Parle'],['75','MN','Lake'],['77','MN','Lake Of The Woo'],['79','MN','Le Sueur'],['81','MN','Lincoln'],['83','MN','Lyon'],['85','MN','Mcleod'],['87','MN','Mahnomen'],['89','MN','Marshall'],['91','MN','Martin'],['93','MN','Meeker'],['95','MN','Mille Lacs'],['97','MN','Morrison'],['99','MN','Mower'],['101','MN','Murray'],['103','MN','Nicollet'],['105','MN','Nobles'],['107','MN','Norman'],['109','MN','Olmsted'],['111','MN','Otter Tail'],['113','MN','Pennington'],['115','MN','Pine'],['117','MN','Pipestone'],['119','MN','Polk'],['121','MN','Pope'],['123','MN','Ramsey'],['125','MN','Red Lake'],['127','MN','Redwood'],['129','MN','Renville'],['131','MN','Rice'],['133','MN','Rock'],['135','MN','Roseau'],['137','MN','St. Louis'],['139','MN','Scott'],['141','MN','Sherburne'],['143','MN','Sibley'],['145','MN','Stearns'],['147','MN','Steele'],['149','MN','Stevens'],['151','MN','Swift'],['153','MN','Todd'],['155','MN','Traverse'],['157','MN','Wabasha'],['159','MN','Wadena'],['161','MN','Waseca'],['163','MN','Washington'],['165','MN','Watonwan'],['167','MN','Wilkin'],['169','MN','Winona'],['171','MN','Wright'],['173','MN','Yellow Medicine']]; // states DATASTORE var ds_states = new Ext.data.SimpleStore({ fields: ['id', 'state'], data : Ext.states }); // counties DATASTORE var ds_counties = new Ext.data.SimpleStore({ fields: ['id','state','county'], data : Ext.counties });