if( location.pathname.split("/")[2] == "thomas_huebl_sharing_the_presence") {

// banner
document.write("<style type=\"text/css\">div#xg, div.xg_headerbg { background: transparent url(http://weltinnenraum.de/mein.weltinnenraum.de/Gruppen/Thomas-Huebl/HeaderGrafikThomasHuebl.jpg) no-repeat; }</style>");

}