@tootje That one seems infected according to Sucuri and unmaskparasites This page seems to be http://www.UnmaskParasites.com/security-report/?page=speedkings.be/team/allweb/
and VirusTotal http://www.virustotal.com/file-scan/report.html?id=8ee5a7b3bf6df41f101d3a40b7023f62ea45727c34f0fd930e0f73a9bd8a912c-1302712949
Sucuri http://sucuri.net/malware/malware-entry-mwjs150
Looks as there is a redirect to ( riotassistance.ru/Heat_Sink.js ) http://www.virustotal.com/url-scan/report.html?id=3ff5f4b9091e13f0d1b656ddd8104b04-1302705906