css = [ed.baseURI.toAbsolute("themes/" + ed.settings.theme + "/skins/" + ed.settings.skin + "/content.css")];
css = css.concat(tinymce.explode(ed.settings.content_css) || []);
tinymce.each(css, function(u) {
css = [ed.baseURI.toAbsolute("themes/" + ed.settings.theme + "/skins/" + ed.settings.skin + "/content.css")];
css = css.concat(tinymce.explode(ed.settings.content_css) || []);
tinymce.each(css, function(u) {