Avast reports Trojan JS:Decode-EQ [trj] But Sucuri gives green light?

My site www.beachtravel.co.za has been blocked by Avast but scanning this site through Securi gives no problems?
Please help!

https://www.virustotal.com/ru/file/22ca2e48298e4b518a4f16b549a328d1366b52744f94574add582fcb4006a41c/analysis/1378222220/

http://wepawet.iseclab.org/view.php?hash=9a9dec73516f8802e4e63ceef14f480f&t=1378221888&type=js
http://jsunpack.jeek.org/?report=a9488113a303267944e34a6984b49c87a76a9ea2

(“whichcas”) - redirector http://urlquery.net/report.php?id=4924970 (online casino)

Hi Thank you for the quick response and indicators.
I see this code in my browser when I view source, but cannot fond the source in my site files? Any ideas?

see the JS unpack link Dim@rik gave in his post and the picture he attached

See: https://asafaweb.com/Scan?Url=www.beachtravel.co.za/
and http://vurldissect.co.uk/default.asp?url=http%3A%2F%2Fwww.beachtravel.co.za%2F&btnvURL=Dissect&selUAStr=1&selServer=1&ref=&cbxSource=on&cbxBlacklist=on

polonus