Sorry for the inconvenience I have a problem with my website

Sorry for the inconvenience I have a problem with my website - www.desarrolloregional.org.uy since Avast antivirus (only this antivirus) detect my ad with virus and can not be opened,
I get this error:

Infection: JS: Clickjack-H [Trj]

I am very worried as we are a non-governmental organization and the web is that we show that we work
http://www.desarrolloregional.org.uy/

Disculpen las molestias tengo un problema con mi pagina web - www.desarrolloregional.org.uy ya que el antivirus Avast (solo este antivirus) detecta mi pagina con virus y no es posible abrirla,
me sale este error:

Infección: JS:Clickjack-H [Trj]

Estoy muy preocupado ya que somos una Organización no gubernamental y es con la web que mostramos que labor hacemos

http://sitecheck3.sucuri.net/results/www.desarrolloregional.org.uy/
http://sucuri.net/malware/entry/MW:SPAM:SEO

avast is not the only one
https://www.virustotal.com/en/file/def26566505fbbb0c6160ad62c6519c7966abcbd9fdc170d58b7b4c5368810f4/analysis/1395520108/

See script nr 5 here: http://fetch.scritch.org/%2Bfetch/?url=http%3A%2F%2Fwww.desarrolloregional.org.uy%2Fportal%2F&useragent=Fetch+useragent&accept_encoding=

 function dnnViewState()///  { var/// a=0,m,v,t,z,x///=new Arr etc. 

code broken //// by me pol
avast! Webshield detects as JS:Hide-Me[Trj]

Other malware on IP: http://62.67.194.183/clean-mx/viruses.php?inetnum=87.106.144.0%20-%2087.106.151.255&sort=id%20DESC&response=alive

polonus