var drp_good = [];
	var drp_chk = ['zips','cities','counties'];
	
	Event.observe(window, 'load', function() {
		drp_init();
	});
	
	function drp_init() {
		if ( $('state_id') ) {
			$('state_id').observe('change',state_change);
			drp_check_all();
		}
	}
	
	function drp_check_all() {
		for (var i=0; i < drp_chk.length; i++) {
			var n = drp_chk[i];
			if ( $( n ) ) {
				drp_good[n] = true;
			} else {
				drp_good[n] = false;
			}
		}
	}
	
	function drp_blank_out(id) {
		$(id).innerHTML = '<span class="noblk">select state first</span>';
	}
	
	function drp_load(id) {
		$(id).innerHTML = '<span class="noblk">loading...</span>';
	}
	
	function state_change() {
		var val = $F('state_id');
		if ( val == '' ) {
			if ( drp_good['zips'] )
			drp_blank_out('zips');
			
			if ( drp_good['cities'] )
			drp_blank_out('cities');
			
			if ( drp_good['counties'] )
			drp_blank_out('counties');
		} else {
			if ( drp_good['zips'] )
			drp_load('zips');
			
			if ( drp_good['cities'] )
			drp_load('cities');
			
			if ( drp_good['counties'] )
			drp_load('counties');
			
			if ( drp_good['zips'] )
			new Ajax.Updater('zips','http://www.zoolender.com//ajax/loc_responder.php?name=zip_id&choose_one=1&type=zip&id='+ val);
			
			if ( drp_good['cities'] )
			new Ajax.Updater('cities','http://www.zoolender.com//ajax/loc_responder.php?name=city_id&choose_one=1&type=city&id='+ val);
			
			if ( drp_good['counties'] )
			new Ajax.Updater('counties','http://www.zoolender.com//ajax/loc_responder.php?name=county_id&choose_one=1&type=county&id='+ val);
		}
	}