LiveStreet CMS

<h3>Навигатор</h3>
<select id="select1">
 <option value="null">Выбери рубрику</option>
 <option value="1">Рубрика 1</option>
 <option value="2">Рубрика 2</option>
 
</select>
 
 <select id="select2" style="margin-right:25px;" disabled="disabled">
 <option>А теперь блог</option>
 </select>
 <input type="button" value="Посмотреть" class="button" id="knopka" disabled="disabled"/>
 <script>
 var options=['<option value="/blog/">Блог 1</option><option value="/blog/">Блог 2</option><option value="/blog/">Блог 3</option>','<option value="/blog/">Блог 1</option><option value="/blog/">Блог 2</option><option value="/blog/">Блог 3</option>'];
 $('#select1').change(function(){
 if($('#select1 :selected').val() == 'null'){
 $('#select2').attr("disabled","disabled");
 $('#knopka').attr("disabled","disabled");
 }else{
 $('#select2').removeAttr("disabled");
 $('#knopka').removeAttr("disabled");
 $('#select2').html(options[$('#select1 :selected').val()-1]);
 }
 });
 $('#knopka').click(function(){
 location.href = $('#select2 :selected').val();
 });
 </script>