See: Joomla Version 1.5.18 - 1.5.26 for: htxp://nellosbar.com/media/system/js/caption.js
Joomla Version 1.5.18 to 1.5.26 for: htxp://nellosbar.com/language/en-GB/en-GB.ini
Malware at hand: http://labs.sucuri.net/db/malware/malware-entry-mwspamseo
See code matches for connect dot facebook dot net/en_GB/all.js’;d.getElementsByTagName(‘head’)[0].appendChild(js);}(document));

via http://jsunpack.jeek.org/?report=d2680d38405ab803dfd65e6053a9fb109b354ea5 (Open in browser with NS and RP extensions active and in a VM/sandbox, for security researchers only)
It is on info: [decodingLevel=0] found JavaScript
error: undefined variable Cufon
error: undefined function Cufon.replace
error: line:8: SyntaxError: missing = in XML attribute:
error: line:8:
error: line:8: …^
file: 79888368431993a29081ae7a45a2cf56bc94f12f: 10510 bytes

Decoded Files
7988/8368431993a29081ae7a45a2cf56bc94f12f from nellosbar.com/ (10510 bytes, 431 hidden) →
SEO Spam from htxp://semenaxhowto.com/ & htxp://aboutvigrx.com/ & hxtp://volumepillshelper

polonus