public function getPrevNextPage($idPage, $publishedOnly = 1) {
	
	    $output = array(
	        'prev' => null,
	        'next' => null
	    );
	
	    $melisPage = $this->getServiceLocator()->get('MelisEnginePage');
	    $datasPagePublished = $melisPage->getDatasPage($idPage, 'published');
	    $datasPagePublishedTree = $datasPagePublished->getMelisPageTree();
	
	    $melisTree = $this->getServiceLocator()->get('MelisEngineTree');
	    $sisters = $melisTree->getPageChildren($datasPagePublishedTree->tree_father_page_id, $publishedOnly);
	    $sisters = $sisters->toArray();
	
	    if(!empty($sisters)) {
	
	        // Get column list for sort
	        foreach ($sisters as $key => $row) {
	            $order[$key]  = $row['tree_page_order'];
	        }
	
	        // Sort sisters pages by order field
	        array_multisort($order, SORT_ASC, $sisters);
	
	        $posInArray = false;
	
	        foreach($sisters as $key => $uneSister) {
	            if($uneSister['tree_page_id'] == $datasPagePublishedTree->tree_page_id)
	                $posInArray = $key;
	        }
	
	        // If page found, get prev/next
	        if($posInArray !== false) {
	
	            $posPrevPage = (($posInArray-1) >= 0) ? ($posInArray-1) : null;
	            $posNextPage = (($posInArray+1) && array_key_exists($posInArray+1, $sisters)) ? ($posInArray+1) : null;
	
	            if(!is_null($posPrevPage)) {
	
	                $prevItem = $sisters[$posPrevPage];
	                $prevLink = $melisTree->getPageLink($sisters[$posPrevPage]['tree_page_id']);
	
	                // Check if page have a name and link
	                if(!empty($prevItem['page_name']) && !empty($prevLink)) {
	                    $output['prev'] = $prevItem;
	                    $output['prev']['link'] = $prevLink;
	                }
	            }
	
	            if(!is_null($posNextPage)) {
	
	                $nextItem = $sisters[$posNextPage];
	                $nextLink = $melisTree->getPageLink($sisters[$posNextPage]['tree_page_id']);
	
	                // Check if page have a name and link
	                if(!empty($nextItem['page_name']) && !empty($nextLink)) {
	                    $output['next'] = $nextItem;
	                    $output['next']['link'] = $nextLink;
	                }
	            }
	        }
	    }
	
	    return $output;
	}