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nav[nav.length]=new LocalNavigationItem("bruegel.html","Page 2");
nav[nav.length]=new LocalNavigationItem("duchamp.html","Page 3");
nav[nav.length]=new LocalNavigationItem("ernst.html","Page 4");
nav[nav.length]=new LocalNavigationItem("shepard.html","Page 7");
nav[nav.length]=new LocalNavigationItem("yturralde.html","Page 7");
nav[nav.length]=new LocalNavigationItem("vasarely.html","Page 7");
nav[nav.length]=new LocalNavigationItem("grimmer.html","Page 7");
nav[nav.length]=new LocalNavigationItem("piranesi.html","Page 7");
nav[nav.length]=new LocalNavigationItem("lionel-penrose.html","Page 7");
nav[nav.length]=new LocalNavigationItem("josef-albers.html","Page 7");
nav[nav.length]=new LocalNavigationItem("mariano-taccola.html","Page 7");
nav[nav.length]=new LocalNavigationItem("indian.html","Page 7");