diff --git a/index.php b/index.php
index a56afa8..1814679 100644
--- a/index.php
+++ b/index.php
@@ -37,31 +37,18 @@
       });
 
       $(window).scroll(function() {
-        if (isInViewport(document.querySelector('footer')))
-        {
-          //blockchainExplorer.addBottomBlock();
-          console.log("Scroll to footer detected !");
-        }
+        var element = document.getElementById('blockchain');
+        var offset = element.getBoundingClientRect().top - element.offsetParent.getBoundingClientRect().top;
+        const top = window.pageYOffset + window.innerHeight - offset;
 
-        if ((window.innerHeight + window.scrollY) >= document.body.offsetHeight) {
-          // blockchainExplorer.addBottomBlock();
-          console.log("Scroll to footer detected !");
-        } 
-        
-        $(".slideanim").each(function(){
-          var pos = $(this).offset().top;
-          var winTop = $(window).scrollTop();
-          if (pos < winTop + 600) {
-            blockchainExplorer.addBottomBlock();
-            $(this).addClass("slide");
-          }
-        });
-        
+        if (top === element.scrollHeight) {
+          console.log("bottom");
+          blockchainExplorer.addBottomBlock();
+        }
       });
 
-      blockchainExplorer.init(0);
+      showInfos();
 
-      //toggleInfos();
     });
 
     var isInViewport = function (elem) {
@@ -76,13 +63,7 @@
 
     function showInfos()
     {
-      var flag = 2*parseInt($('#mode_selector').val());
-      
-      $('#blockchain').html('');
-
-      if ($('#mode_checkbox').is(":checked")) flag += 1;
-
-      blockchainExplorer.init(flag);
+      blockchainExplorer.init(parseInt($('#mode_selector').val()));
     }
 
     function toggleInfos()
@@ -122,7 +103,7 @@
     <div class="col-sm-12 text-right">
       <br><small>An image for each block of the BTC Blockchain</small>
       <br><a href="nft.php">Click here to buy a block as an NFT</a>
-      <br><select id="mode_selector" onchange="showInfos(this)">
+      <br><select id="mode_selector" onchange="showInfos()">
         <option value=0>Full Blockchain Explorer</option>
         <option value=1>My special Blocks list</option>
       </select>
@@ -134,14 +115,5 @@
 
 <div id="blockchain" style="position:absolute;top:210px;width:100%"></div>
 
-<div>
-  Click to see more blocks
-</div>
-
-<footer class="container-fluid bg-grey text-center slideanim">
-  <a href="#myPage" title="To Top">
-    <span class="glyphicon glyphicon-chevron-up"></span>
-  </a>
-</footer>
 </body>
 </html>
diff --git a/js/blockexplorer.js b/js/blockexplorer.js
index f5bb78b..6423885 100644
--- a/js/blockexplorer.js
+++ b/js/blockexplorer.js
@@ -75,14 +75,13 @@ blockchainExplorer = function(){
     _flag_nav = false;
 
     blockName = _getblockNameFromHash(block.hash);
-    // if (blockName != '') blockName = ' ( '+blockName+' )';
-
     if (_mode > 1)
         if (block.hash == _liste_blocks['TOP'])
         {
             div_label = 'LAST';
             if (blockName == '') blockName = 'LAST';
         }
+    if (blockName == '') blockName = block.height;
 
     opacity='1.0';
     visibility='hidden';
@@ -90,23 +89,20 @@ blockchainExplorer = function(){
       opacity='0.3';
       visibility='visible';
     }
-    contenu += '      <div style="height:220px;width:100%;display:block;position:relative">';
 
     contenu += '<div id="img_'+block.height+'" style="color:black;opacity:'+opacity+';margin-right:30pxo;height:220px">';
     contenu += '      <table class="block_infos" align="center" width="330px" height="220px" style="margin-top:3px;visibility:'+visibility+'">';
-    if (_mode == 3 ) contenu += '        <tr><td>name</td><td align="right"><b>'+blockName+'</b></td></tr>';
-    contenu += '        <tr><td>height</td><td align="right"><b>'+block.height+'</b></td></tr>';
+    contenu += '        <tr><td>block</td><td align="right"><b>'+blockName+'</b></td></tr>';
     contenu += '        <tr><td>timestamp</td><td align="right"><b>'+_formatDate(block.time)+'</b></td></tr>';
     contenu += '        <tr><td>nonce</td><td align="right"><b>'+block.nonce+'</b></td></tr>';
     contenu += '        <tr><td>nb tx</td><td align="right"><b>'+block.n_tx+'</b></td></tr>';
     contenu += '        <tr><td>outputs</td><td align="right"><b>'+_precisionRound(block.topisto_outputs).toFixed(4)+'</b></td></tr>';
     contenu += '        <tr><td>inputs</td><td align="right"><b>'+_precisionRound(block.topisto_inputs).toFixed(4)+'</b></td></tr>';
-    if (_mode != 3 ) contenu += '        <tr><td>fees</td><td align="right"><b>'+_precisionRound(block.topisto_fees).toFixed(4)+'</b></td></tr>';
+    contenu += '        <tr><td>fees</td><td align="right"><b>'+_precisionRound(block.topisto_fees).toFixed(4)+'</b></td></tr>';
     contenu += '        <tr><td>reward</td><td align="right"><b>'+_precisionRound(block.topisto_reward).toFixed(4)+'</b></td></tr>';
     contenu += '      </table>';
     contenu += '</div>';
     
-    contenu += '      </div>';
 
     $('#info_'+div_label).html(contenu);
 
@@ -245,24 +241,24 @@ blockchainExplorer = function(){
 
     // Récursivité pour précharger par paquets
     // Tant qu'on n'est pas sur le GENESIS
-    if (data.height > 0) 
+    if (data.height > 0)
       switch(_mode)
       {
           case 0:
-          case 1:
-              // Récursivité pour précharger par paquets
-                  _liste_blocks['BOTTOM'] = data.prev;
+              // En mode "Full Blockchain", on suit le chainage
+              _liste_blocks['BOTTOM'] = data.prev;
               break;
-          case 2:
-          case 3:
-                  _liste_blocks['BOTTOM'] = _known_blocks[_liste_blocks['LENGTH']-1].hash;
+          case 1:
+              // En mode "Blocks Connus", on prend le prochain de la liste
+              _liste_blocks['BOTTOM'] = _known_blocks[_liste_blocks['LENGTH']-1].hash;
               break;
       }
-
   }
 
   function _addBottomBlock()
-  {   
+  {  
+    console.log('add '+_liste_blocks['BOTTOM']);
+
     // Mettre les infos du block
     block_hash = '?block_hash='+_liste_blocks['BOTTOM'];
     $.getJSON('data/getBlockInfo.php'+block_hash, function( data ) {
@@ -276,14 +272,15 @@ blockchainExplorer = function(){
         // Maintenir la Liste
         _maintenirListe(data);
 
-        if (_liste_blocks['LENGTH'] % 10) _addBottomBlock();
+        if (data.height > 0)
+          if (_liste_blocks['LENGTH'] % 5) _addBottomBlock();
         
     });
   }
 
   function _initBlockchain(block_name)
   {
-    var block_hash = '';
+    var block_hash_url = 'data/getBlockInfo.php';
 
     _liste_blocks = [];
     _liste_blocks['LENGTH'] = 0;
@@ -291,17 +288,19 @@ blockchainExplorer = function(){
     $(document).scrollTop( $("#explorer").offset().top );
     $('#blockchain').html('');
 
-    if (block_name != 'LAST') block_hash = '?block_hash='+_getblocHashFromName(block_name);
-    $.getJSON('data/getBlockInfo.php'+block_hash, function( data ) {
+
+    if (block_name != 'LAST') block_hash_url += '?block_hash='+_getblocHashFromName(block_name);
+
+    $.getJSON(block_hash_url, function( data ) {
 
       div_label = data.height;
       _liste_blocks['TOP'] = data.hash;
 
-      _maintenirListe(data);
-
       _addDivForBlock(div_label);        
       _addInfoForBlock(data);
 
+      _maintenirListe(data);
+
       // Cela fout le boxon pour l'instant
       // blockchainListener.addBlockHook(_addTopBlock);