(function($){
   $.fn.linkedSelect = function(query,destination,params) {
      var params = $.extend({firstOption : 'Please Select',loadingText : 'Loading...'},params);
      var $dest = $(destination);
//alert($dest+' dest');

      return this.each(function(){
         $(this).bind('change', function() {
            var $$ = $(this);

            $dest.attr('disabled','false').append('<option value="">' +params.loadingText+ '</option>').ajaxStart(function(){
               $$.show();
            });
//alert(query);
//alert(destination);
            $.getJSON('includes/GappEdit/ajax/GappAjax_linkedselect.php?query='+query,{str: $$.val() }, function(j){
//alert('George');
               if (j.length > 0) {
                 var options='';
                 if(params.firstOption!=''){
                  options = '<option value="">'+params.firstOption+'</option>';
                 } 
                  for (var i = 0; i < j.length; i++) {
                     options += '<option value="'+j[i].optionValue+'">'+j[i].optionDisplay+'</option>';
                  }
               }

               $dest.removeAttr('disabled').html(options).find('option:first').attr('selected','selected');
            }); // end getJSON
         });  // end change
      }); // end return each
   };  // end function

})(jQuery);