http://krpano.com/docu/actions/#loadpano
$this->cacheCode('[php]','
loadpano(pano2.xml);
loadpano(pano2.xml, null, MERGE, BLEND(1));
loadscene(scene1);
loadscene(scene1, null, MERGE, BLEND(1));
loadxml('<krpano><image><sphere url="pano.jpg"/></image></krpano>');
loadxml(get(data[xml].content), null, KEEPALL);
loadpano('%SWFPATH%/pano.xml', null, MERGE, BLEND(2));
loadpano(sphere.xml, image.hfov=1.0&view.limitview=fullrange);
')
%FIRSTXML% macht sich als Anker für relative Pfade ganz gut, weils unter Flash und HTML5 funktioniert.