TALLINN, Estonia -- Jewish organizations have denounced an Estonian newspaper for publishing a mock ad for weight-loss pills depicting emaciated prisoners at a Nazi concentration camp.

Efraim Zuroff of the Simon Wiesenthal Center in Jerusalem on Sunday called the mock ad in the Eesti Ekspress weekly a "perverted attempt at humor at the expense of the Nazis' millions of victims."

Alla Jakobson, spokeswoman for Estonia's Jewish community, said in newspaper Postimees that the incident shows Estonian society is experiencing "major problems with moral and ethical values."

Sulev Vedler, deputy editor of Eesti Ekspress, says the mock ad, which ran in the paper's humor section, was poking fun at an Estonian gas company that recently used an image of Auschwitz to promote its services.

Vedler says the ad "was not targeted against Jewish people."

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  • May 2001

    Anton Malloth, an 89-year-old former guard at the Theresienstadt fortress in occupied Czechoslovakia, is sentenced to life in prison for beating and kicking a Jewish inmate to death in 1944. (Photo: AP)

  • July 2002

    Friedrich Engel, a 93-year-old former SS major, is convicted on 59 counts of murder for a 1944 massacre of Italian prisoners and given a suspended seven-year sentence. A federal court later quashes the conviction, doubting the evidence was sufficient. Engel dies in 2006. (Photo: AP)

  • February 2004

    A court halts the trial of Herbertus Bikker, an 88-year-old former SS member, on charges of killing a Dutch prisoner during World War II. He is ruled medically unfit to stand trial. He dies in 2008. (Photo: AP)

  • December 2005

    An 88-year-old former Nazi commander, Ladislav Niznansky, is acquitted of murder in three massacres in Slovakia. Court cites insufficient evidence. He dies in 2011. (Photo: AP)

  • August 2009

    Josef Scheungraber, a 90-year-old former officer in the German army, is convicted of murder for ordering the massacre of 10 civilians in a 1944 reprisal killing in Italy; sentenced to life imprisonment. His appeal is rejected. (Photo: AP)

  • November 2009

    Prosecutors file charges against former SS Sgt. Adolf Storms on 58 counts of murder in connection with a massacre of Jewish forced laborers in Austria in 1945. Storms dies in July 2010 at age 90, before he can be brought to trial. (Photo: AP File)

  • March 2010

    Heinrich Boere, 88, is convicted of murdering three civilians in the Netherlands when he was a member of a Waffen SS death squad in 1944; sentenced to life imprisonment. His appeal is rejected. (Photo: Getty)

  • July 2010

    Samuel Kunz, 88, is charged with participating in the murder of 430,000 Jews while serving as a low-ranking guard at the Belzec death camp (seen in photo). Kunz dies in November 2010, before he can be brought to trial. (Photo: Getty)

  • May 12, 2011

    John Demjanjuk, 91 was convicted for having been a guard at the Sobibor concentration camp in Nazi-occupied Poland from March 27 to mid-September 1943, and received one count of being an accessory to murder for each person who died during that time frame. Demanjuk dies in March 2012. (Photo: AP)