(function($){
  // очищаем select
  $.fn.clearSelect = function() {
    return this.each(function(){
      if(this.tagName=='SELECT') {
        this.options.length = 0;
        $(this).attr('disabled','disabled');
      }
    });
  }
  // заполняем select
  $.fn.fillSelect = function(dataArray) {
    return this.clearSelect().each(function(){
      if(this.tagName=='SELECT') {
        var currentSelect = this;
        $.each(dataArray,function(index,data){
          var option = new Option(data.text,data.value);
          if($.support.cssFloat) {
            currentSelect.add(option,null);
          } else {
            currentSelect.add(option);
          }
        });
      }
    });
  }
})(jQuery);