function radio_get_cats() {
	$$('.cat_sel').each(function(i){
		if ( i.checked ) {
			get_cats(i.id);
		}
	});
}

function get_cities(src_id,dest_id) {
	var obj = $('state_sel');
	if ( obj && obj.selectedIndex > -1 ) {
		new Ajax.Updater(dest_id,  'http://www.seniorsbluebook.com/ajax/loc_responder.php?state='+ obj.options[ obj.selectedIndex ].value,{
			method: 'post',
			parameters: { 'onchange': 'radio_get_cats()' }
		});
		
		radio_get_cats();
	}
}

function get_cats(src_id) {
	$('cat_box').innerHTML = '<img src="http://www.seniorsbluebook.com/img/loading.gif" /> Loading...';
	var s = '';
	var sb = '';
	var sobj = $('state_sel');
	if ( sobj && sobj.selectedIndex > -1 ) {
		s = sobj.options[ sobj.selectedIndex ].value;
	}
	var sbobj = $('city_sel');
	if ( sbobj && sbobj.selectedIndex > -1 ) {
		sb = sbobj.options[ sbobj.selectedIndex ].value;
	}
	if ( $(src_id).checked ) {
		new Ajax.Updater('cat_box',  'http://www.seniorsbluebook.com/ajax/sub_cat.php?id='+ $(src_id).value, {
			method: 'post',
			parameters: { 's': s, 'sb': sb }
		});
	}
}