$PaginaAtual = end(explode("/", $_SERVER['PHP_SELF'])); $PosicaoDoPonto = strpos($PaginaAtual, "."); $NumeroDaPagina = substr($PaginaAtual, 0, $PosicaoDoPonto); $NumeroDaPaginaAnterior = $NumeroDaPagina - 1; $NumeroDaPaginaProxima = $NumeroDaPagina + 1; if (file_exists($NumeroDaPaginaAnterior . ".php")) { $BotaoBack = "../../fwBilder/back.jpg"; $LinkBotaoBack = $NumeroDaPaginaAnterior . ".php"; } else{ $BotaoBack = "../../fwBilder/white.jpg"; $LinkBotaoBack = "#"; } if (file_exists($NumeroDaPaginaProxima . ".php")) { $BotaoNext = "../../fwBilder/next.jpg"; $LinkBotaoNext = $NumeroDaPaginaProxima . ".php"; } else{ $BotaoNext = "../../fwBilder/white.jpg"; $LinkBotaoNext = "#"; } ?>