<input type="radio" name='country' value="111" id="answer_111" />&nbsp;<label for="answer_111">Исландия</label>
<input type="radio" name='country' value="222" id="answer_222" />&nbsp;<label for="answer_222">Швеция</label>

// с jquery
alert($('label[for='+labelid+']').text());

$('input:radio').click(function(){
$("label[for='"+this.id+"']").css('background', 'red');
});

$('input:radio').click(function(){
var text = $("label[for='"+this.id+"']").html();
alert(text);
});

var label = '';
$('label[for='+labelid+']').each(function(){ label = this.innerHTML; });

<script type="text/javascript"> 
var ArrId = [ "#bdF16", "#bdF15", "#bdF18", "#bdF20","#catSelector9", ".filterBlock" ]; 
$(document).ready(function(){ 
for (var i = 0; i < ArrId.length; i++) { 
$(ArrId[i]).change(function(){ 
var ArrTag = []; 
document.getElementById('suggEdit').value=''; 
for (var i = 0; i < ArrId.length; i++) { 
var title = $(ArrId[i]).val().split(' '); 
for (var j = 0; j < title.length; j++) { 
if (title[j].length > 1) { 
if (ArrTag.indexOf(title[j]) == -1) { 
 $("#suggEdit").val($('div.filterBlock input:checked',this).val($(this).next().html()) + ', ' + $('#bdF20 option:selected').html() + ', ' + $('#bdF18 option:selected').html() + ', ' + $('#catSelector9').val()); 
ArrTag.push(title[j]); 
} 
} 
} 
} 
}); 
} 
}); 
</script>

$('div.filterBlock input:checked').next().html()

<div class="filterBlock" style="height:200px;width:200px;overflow:auto;white-space:nowrap;"><input type="checkbox" name="filter2" value="1" id="fk21"><label for="fk21">Австралия</label><br><input type="checkbox" name="filter2" value="2" id="fk22"><label for="fk22">Австрия</label><br><input type="checkbox" name="filter2" value="3" id="fk23"><label for="fk23">Аргентина</label><br><input type="checkbox" name="filter2" value="4" id="fk24"><label for="fk24">Армения</label><br><input type="checkbox" name="filter2" value="5" id="fk25"><label for="fk25">Бельгия</label><br><input type="checkbox" name="filter2" value="6" id="fk26"><label for="fk26">Бразилия</label><br><input type="checkbox" name="filter2" value="7" id="fk27"><label for="fk27">Великобритания</label><br><input type="checkbox" name="filter2" value="8" id="fk28"><label for="fk28">Венгрия</label><br><input type="checkbox" name="filter2" value="9" id="fk29"><label for="fk29">Германия</label><br><input type="checkbox" name="filter2" value="10" id="fk210"><label for="fk210">Гонконг</label><br><input type="checkbox" name="filter2" value="11" id="fk211"><label for="fk211">Греция</label><br><input type="checkbox" name="filter2" value="12" id="fk212"><label for="fk212">Дания</label><br><input type="checkbox" name="filter2" value="13" id="fk213"><label for="fk213">Израиль</label><br><input type="checkbox" name="filter2" value="14" id="fk214"><label for="fk214">Индия</label><br><input type="checkbox" name="filter2" value="15" id="fk215"><label for="fk215">Индонезия</label><br><input type="checkbox" name="filter2" value="16" id="fk216"><label for="fk216">Ирландия</label><br><input type="checkbox" name="filter2" value="17" id="fk217"><label for="fk217">Исландия</label><br><input type="checkbox" name="filter2" value="18" id="fk218"><label for="fk218">Испания</label><br><input type="checkbox" name="filter2" value="19" id="fk219"><label for="fk219">Италия</label><br><input type="checkbox" name="filter2" value="20" id="fk220"><label for="fk220">Казахстан</label><br><input type="checkbox" name="filter2" value="21" id="fk221"><label for="fk221">Канада</label><br><input type="checkbox" name="filter2" value="22" id="fk222"><label for="fk222">Китай</label><br><input type="checkbox" name="filter2" value="23" id="fk223"><label for="fk223">Мексика</label><br><input type="checkbox" name="filter2" value="24" id="fk224"><label for="fk224">Нидерланды</label><br><input type="checkbox" name="filter2" value="25" id="fk225"><label for="fk225">Новая Зеландия</label><br><input type="checkbox" name="filter2" value="26" id="fk226"><label for="fk226">Норвегия</label><br><input type="checkbox" name="filter2" value="27" id="fk227"><label for="fk227">ОАЭ</label><br><input type="checkbox" name="filter2" value="28" id="fk228"><label for="fk228">Польша</label><br><input type="checkbox" name="filter2" value="29" id="fk229"><label for="fk229">Россия</label><br><input type="checkbox" name="filter2" value="30" id="fk230"><label for="fk230">Румыния</label><br><input type="checkbox" name="filter2" value="31" id="fk231"><label for="fk231">Сербия</label><br><input type="checkbox" name="filter2" value="32" id="fk232"><label for="fk232">СССР</label><br><input type="checkbox" name="filter2" value="33" id="fk233"><label for="fk233">США</label><br><input type="checkbox" name="filter2" value="34" id="fk234"><label for="fk234">Таиланд</label><br><input type="checkbox" name="filter2" value="35" id="fk235"><label for="fk235">Турция</label><br><input type="checkbox" name="filter2" value="36" id="fk236"><label for="fk236">Украина</label><br><input type="checkbox" name="filter2" value="37" id="fk237"><label for="fk237">Финляндия</label><br><input type="checkbox" name="filter2" value="38" id="fk238"><label for="fk238">Франция</label><br><input type="checkbox" name="filter2" value="39" id="fk239"><label for="fk239">Чехия</label><br><input type="checkbox" name="filter2" value="40" id="fk240"><label for="fk240">Швейцария</label><br><input type="checkbox" name="filter2" value="41" id="fk241"><label for="fk241">Швеция</label><br><input type="checkbox" name="filter2" value="42" id="fk242"><label for="fk242">ЮАР</label><br><input type="checkbox" name="filter2" value="43" id="fk243"><label for="fk243">Южная Корея</label><br><input type="checkbox" name="filter2" value="44" id="fk244"><label for="fk244">Япония</label><br></div>