Ext.states = [ ['WA','Washington']]; Ext.counties = [ ['1','WA','Adams'],['3','WA','Asotin'],['5','WA','Benton'],['7','WA','Chelan'],['9','WA','Clallam'],['11','WA','Clark'],['13','WA','Columbia'],['15','WA','Cowlitz'],['17','WA','Douglas'],['19','WA','Ferry'],['21','WA','Franklin'],['23','WA','Garfield'],['25','WA','Grant'],['27','WA','Grays Harbor'],['29','WA','Island'],['31','WA','Jefferson'],['33','WA','King'],['35','WA','Kitsap'],['37','WA','Kittitas'],['39','WA','Klickitat'],['41','WA','Lewis'],['43','WA','Lincoln'],['45','WA','Mason'],['47','WA','Okanogan'],['49','WA','Pacific'],['51','WA','Pend Oreille'],['53','WA','Pierce'],['55','WA','San Juan'],['57','WA','Skagit'],['59','WA','Skamania'],['61','WA','Snohomish'],['63','WA','Spokane'],['65','WA','Stevens'],['67','WA','Thurston'],['69','WA','Wahkiakum'],['71','WA','Walla Walla'],['73','WA','Whatcom'],['75','WA','Whitman'],['77','WA','Yakima']]; // 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 });