(function ($) {

  Drupal.behaviors.rollover_buttons = {
    attach: function (context, settings) {

        // // Wipes the rotator items text
        $(".rollover_button").mouseover(function(){
            img_src = $(this).attr('src');
            new_img_src = img_src.substring(0, img_src.length - 4) + "_roll" + img_src.substring(img_src.length - 4, img_src.length);
            $(this).attr('src', new_img_src);
        });
        
        $(".rollover_button").mouseout(function(){
            img_src = $(this).attr('src');
            new_img_src = img_src.replace('_roll', '');
            $(this).attr('src', new_img_src);
        });
    }
  };

}(jQuery));;