diff --git a/funzioni.php b/funzioni.php
new file mode 100644
index 0000000..8f2edde
--- /dev/null
+++ b/funzioni.php
@@ -0,0 +1,498 @@
+<?php
+
+
+
+function visualizzapdfcorrente($wpdb,$etichetta) {
+
+
+$query = "SELECT * FROM {$wpdb->prefix}listapdf";
+$datacorrenteunix = strtotime(date('Y-m-d'));
+
+$query = "SELECT * FROM {$wpdb->prefix}listapdf";
+
+$results = $wpdb->get_results($query);
+
+
+$controllo = false;
+
+foreach ($results as $result) {
+
+$dataconfrontoiniziounix = strtotime($result->data_partenza);
+$dataconfrontofineunix = strtotime($result->data_fine);
+
+
+if ($datacorrenteunix <= $dataconfrontofineunix){
+    if ($datacorrenteunix >= $dataconfrontoiniziounix){
+        $controllo = true;
+    $nomefileprescelto = $result->nome_file;
+    $urlfileprescelto = $result->url_completo;
+    }
+}
+
+
+
+}
+
+if ($controllo){
+    $urlcomp = get_home_url().'/wp-content/plugins/ieimenupdf/menu/';
+
+
+    $finalurl = $urlcomp.$urlfileprescelto;
+
+    if (!is_string($etichetta)){
+    $contenutohtml = generahtmlmodal($finalurl);
+  } else {
+    $contenutohtml = generahtmlmodalridotto($finalurl,$etichetta);
+  }
+    return array("nome"=>$nomefileprescelto, "url"=>$finalurl,'html'=>$contenutohtml,'controllo'=>$controllo);
+} else {
+   return array ('controllo'=>$controllo);
+}
+
+
+}
+
+
+function generacssmodal (){
+
+    return '<style>
+	
+	@media only screen and (max-width: 600px) {
+
+canvas {
+margin-top:50px;
+}
+
+	.button-container {
+    display: flex;
+    justify-content: space-between;
+    padding: 10px;
+}
+
+}
+
+@media only screen and (min-width: 601px) {
+
+.button-container {
+text-align:center;
+}
+
+}
+        
+    .modal {
+        display: none;
+        position: fixed;
+        top: 0;
+        left: 0;
+        width: 100%;
+        height: 100%;
+        background-color: rgba(0, 0, 0, 0.7);
+        justify-content: center;
+        align-items: center;
+        z-index:50 !important;
+      }
+  
+      /* Contenuto modal */
+      .modal-content {
+        background-color: #fff;
+        width: 100%;
+        height: 100%;
+        position: relative;
+      }
+  
+      /* Tasto chiudi */
+      .close {
+      background-color:black;
+      padding:10px;
+        position: absolute;
+        top: 10px;
+        right: 10px;
+        font-size: 20px;
+        cursor: pointer;
+        color: white;
+      }
+
+      .bottonebello {
+        background-color: #04AA6D; /* Green */
+        border: none;
+        color: white;
+        padding: 15px 32px;
+        text-align: center;
+        text-decoration: none;
+        display: inline-block;
+        font-size: 16px;
+        margin: 4px 2px;
+        cursor: pointer;
+        -webkit-transition-duration: 0.4s; /* Safari */
+        transition-duration: 0.4s;
+        box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
+      }
+	  
+	   #prev {
+	   padding: 10px;
+        background-color: #04AA6D; /* Green */
+        border: none;
+        color: white;
+        padding: 15px 32px;
+        text-align: center;
+        text-decoration: none;
+        display: inline-block;
+        font-size: 16px;
+        margin: 4px 2px;
+        cursor: pointer;
+        -webkit-transition-duration: 0.4s; /* Safari */
+        transition-duration: 0.4s;
+        box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
+      }
+	  
+	  	   #next {
+	  padding: 10px;
+        background-color: #04AA6D; /* Green */
+        border: none;
+        color: white;
+        padding: 15px 32px;
+        text-align: center;
+        text-decoration: none;
+        display: inline-block;
+        font-size: 16px;
+        margin: 4px 2px;
+        cursor: pointer;
+        -webkit-transition-duration: 0.4s; /* Safari */
+        transition-duration: 0.4s;
+        box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
+      }
+      
+      .bottonebello:hover {
+        box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24),0 17px 50px 0 rgba(0,0,0,0.19);
+      }
+        
+        
+        
+        </style>
+        
+';
+
+}
+
+function generajsmodal() {
+
+
+    return '<script>
+    // Open the modal
+    function openModal() {
+      document.getElementById("pdfModal").style.display = "flex";
+    }
+  
+    // Close the modal
+    function closeModal() {
+      document.getElementById("pdfModal").style.display = "none";
+    }
+  </script>
+
+  <script>
+  
+  document.addEventListener("DOMContentLoaded", function() {
+     
+      var elements = document.querySelectorAll(".is-layout-constrained");
+
+      elements.forEach(function(element) {
+          element.classList.remove("is-layout-constrained");
+      });
+  });
+  
+  
+    </script>
+	
+	<script>
+	
+	 function stopScrollPropagation(event) {
+    // Questo evita che lo scroll sul modale vada sulla pagina
+    event.stopPropagation();
+  }
+	
+	</script>
+  
+  ';
+
+}
+
+function generahtmlmodal($filepdf){
+    
+return '
+<div style="text-align:center;z-index:5000;">
+<button class="bottonebello" onclick="openModal()">Apri il Menu</button>
+</div>
+<!-- Modale PDF -->
+  <div style="background-color:white;" id="pdfModal" class="modal" onscroll="stopScrollPropagation(event)">
+    <div class="modal-content">
+      <!-- Close button -->
+      <span class="close" onclick="closeModal()">&times;</span>
+      
+	  <!-- METTERE QUI IL VISUALIZZATORE -->
+
+<script src="//mozilla.github.io/pdf.js/build/pdf.mjs" type="module"></script>
+
+<script type="module">
+  // If absolute URL from the remote server is provided, configure the CORS
+  // header on that server.
+  var url = "'.$filepdf.'";
+
+  // Loaded via <script> tag, create shortcut to access PDF.js exports.
+  var { pdfjsLib } = globalThis;
+
+  // The workerSrc property shall be specified.
+  pdfjsLib.GlobalWorkerOptions.workerSrc = "//mozilla.github.io/pdf.js/build/pdf.worker.mjs";
+
+  var pdfDoc = null,
+      pageNum = 1,
+      pageRendering = false,
+      pageNumPending = null,
+      scale = 3.0,
+      canvas = document.getElementById("the-canvas"),
+      ctx = canvas.getContext("2d");
+
+  /**
+   * Get page info from document, resize canvas accordingly, and render page.
+   * @param num Page number.
+   */
+  function renderPage(num) {
+    pageRendering = true;
+    // Using promise to fetch the page
+    pdfDoc.getPage(num).then(function(page) {
+      var viewport = page.getViewport({scale: scale});
+      canvas.height = viewport.height;
+      canvas.width = viewport.width;
+
+      // Render PDF page into canvas context
+      var renderContext = {
+        canvasContext: ctx,
+        viewport: viewport
+      };
+      var renderTask = page.render(renderContext);
+
+      // Wait for rendering to finish
+      renderTask.promise.then(function() {
+        pageRendering = false;
+        if (pageNumPending !== null) {
+          // New page rendering is pending
+          renderPage(pageNumPending);
+          pageNumPending = null;
+        }
+      });
+    });
+
+    // Update page counters
+    document.getElementById("page_num").textContent = num;
+  }
+
+  /**
+   * If another page rendering in progress, waits until the rendering is
+   * finised. Otherwise, executes rendering immediately.
+   */
+  function queueRenderPage(num) {
+    if (pageRendering) {
+      pageNumPending = num;
+    } else {
+      renderPage(num);
+    }
+  }
+
+  /**
+   * Displays previous page.
+   */
+  function onPrevPage() {
+    if (pageNum <= 1) {
+      return;
+    }
+    pageNum--;
+    queueRenderPage(pageNum);
+  }
+  document.getElementById("prev").addEventListener("click", onPrevPage);
+
+  /**
+   * Displays next page.
+   */
+  function onNextPage() {
+    if (pageNum >= pdfDoc.numPages) {
+      return;
+    }
+    pageNum++;
+    queueRenderPage(pageNum);
+  }
+  document.getElementById("next").addEventListener("click", onNextPage);
+
+  /**
+   * Asynchronously downloads PDF.
+   */
+  pdfjsLib.getDocument(url).promise.then(function(pdfDoc_) {
+    pdfDoc = pdfDoc_;
+    document.getElementById("page_count").textContent = pdfDoc.numPages;
+
+    // Initial/first page rendering
+    renderPage(pageNum);
+  });
+</script>
+
+
+<canvas style="width:100%;" id="the-canvas" onscroll="stopScrollPropagation(event)"></canvas>
+
+<div class="button-container">
+  <button id="prev">Indietro</button>
+  <button id="next">Avanti</button>
+  </div>
+  
+  <br>
+  <div style="text-align:center;">
+  <span>Pagina: <span id="page_num"></span> / <span id="page_count"></span></span>
+</div>
+	  
+	  <!-- FINE VISUALIZZATORE -->
+      
+      
+  
+    </div>
+  </div>
+
+';
+
+}
+
+function generahtmlmodalridotto($filepdf,$etichetta){
+    
+  return '
+  <div style="z-index:5000;">
+  <div style="text-align:center;margin-bottom:12px;"><a style="font-size:20px;text-transform: uppercase;cursor: pointer;" onclick="openModal()">'.$etichetta.'</a></div>
+  <!-- Modale PDF -->
+  <div style="background-color:white;" id="pdfModal" class="modal" onscroll="stopScrollPropagation(event)">
+    <div class="modal-content">
+      <!-- Close button -->
+      <span class="close" onclick="closeModal()">&times;</span>
+      
+	  <!-- METTERE QUI IL VISUALIZZATORE -->
+
+<script src="//mozilla.github.io/pdf.js/build/pdf.mjs" type="module"></script>
+
+<script type="module">
+  // If absolute URL from the remote server is provided, configure the CORS
+  // header on that server.
+  var url = "'.$filepdf.'";
+
+  // Loaded via <script> tag, create shortcut to access PDF.js exports.
+  var { pdfjsLib } = globalThis;
+
+  // The workerSrc property shall be specified.
+  pdfjsLib.GlobalWorkerOptions.workerSrc = "//mozilla.github.io/pdf.js/build/pdf.worker.mjs";
+
+  var pdfDoc = null,
+      pageNum = 1,
+      pageRendering = false,
+      pageNumPending = null,
+      scale = 3.0,
+      canvas = document.getElementById("the-canvas"),
+      ctx = canvas.getContext("2d");
+
+  /**
+   * Get page info from document, resize canvas accordingly, and render page.
+   * @param num Page number.
+   */
+  function renderPage(num) {
+    pageRendering = true;
+    // Using promise to fetch the page
+    pdfDoc.getPage(num).then(function(page) {
+      var viewport = page.getViewport({scale: scale});
+      canvas.height = viewport.height;
+      canvas.width = viewport.width;
+
+      // Render PDF page into canvas context
+      var renderContext = {
+        canvasContext: ctx,
+        viewport: viewport
+      };
+      var renderTask = page.render(renderContext);
+
+      // Wait for rendering to finish
+      renderTask.promise.then(function() {
+        pageRendering = false;
+        if (pageNumPending !== null) {
+          // New page rendering is pending
+          renderPage(pageNumPending);
+          pageNumPending = null;
+        }
+      });
+    });
+
+    // Update page counters
+    document.getElementById("page_num").textContent = num;
+  }
+
+  /**
+   * If another page rendering in progress, waits until the rendering is
+   * finised. Otherwise, executes rendering immediately.
+   */
+  function queueRenderPage(num) {
+    if (pageRendering) {
+      pageNumPending = num;
+    } else {
+      renderPage(num);
+    }
+  }
+
+  /**
+   * Displays previous page.
+   */
+  function onPrevPage() {
+    if (pageNum <= 1) {
+      return;
+    }
+    pageNum--;
+    queueRenderPage(pageNum);
+  }
+  document.getElementById("prev").addEventListener("click", onPrevPage);
+
+  /**
+   * Displays next page.
+   */
+  function onNextPage() {
+    if (pageNum >= pdfDoc.numPages) {
+      return;
+    }
+    pageNum++;
+    queueRenderPage(pageNum);
+  }
+  document.getElementById("next").addEventListener("click", onNextPage);
+
+  /**
+   * Asynchronously downloads PDF.
+   */
+  pdfjsLib.getDocument(url).promise.then(function(pdfDoc_) {
+    pdfDoc = pdfDoc_;
+    document.getElementById("page_count").textContent = pdfDoc.numPages;
+
+    // Initial/first page rendering
+    renderPage(pageNum);
+  });
+</script>
+
+
+<canvas style="width:100%;" id="the-canvas" onscroll="stopScrollPropagation(event)"></canvas>
+
+<div class="button-container">
+  <button id="prev">Indietro</button>
+  <button id="next">Avanti</button>
+  </div>
+  
+  <br>
+  <div style="text-align:center;">
+  <span>Pagina: <span id="page_num"></span> / <span id="page_count"></span></span>
+</div>
+	  
+	  <!-- FINE VISUALIZZATORE -->
+      
+      
+  
+    </div>
+  </div>
+  </div>
+  ';
+  
+  }