function resize_post_images(size, text) {
   jQuery('.post .content div img').each(function() {
      if(parseInt(jQuery(this).attr('width')) > size) {
         jQuery(this)
            .animate({width: '25px'}, 2000);
            align = '';
         if(jQuery(this).parent().css('text-align') == 'center') {align = 'margin: 0 auto;';}
         jQuery(this).before('<div class="resizebox" style="width: ' + (size - 20) + 'px; text-align: center; display: block; ' + align + '"><a target="_blank" href="/viewimage.forum?u=' + jQuery(this).attr('src') + '">' + text + '</a></div>');
         }
   });
}

jQuery(document).ready( function() {
   resize_post_images(500, 'Ver em tamanho real');
});