Atsidarot opera, atsidarot koki puslapi, tada address bar'e papeistinat:

javascript:var 
i,s,ss=['http://kathack.com/js/kh.js','http://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js'];for(i=0;i!=ss.length;i++){s=document.createElement('script');s.src=ss[i];document.body.appendChild(s);}void(0);

Jei ka, nieko blogo nedaro, siaip fun ;)