(function ($) {
    
    Drupal.behaviors.socialimg = {
        attach: function() {
            var social_orig_src = '';
            $('.social img').mouseover(function() {
                social_orig_src = $(this).attr('src');
                var src = social_orig_src.replace('_grayscale','');
                $(this).attr('src', src);
            }).mouseout(function() {
                $(this).attr('src', social_orig_src);
            });
        }
    }
  
}(jQuery));;