diff --git a/js/blockexplorer copy.js b/js/blockexplorer copy.js
deleted file mode 100644
index e117915..0000000
--- a/js/blockexplorer copy.js	
+++ /dev/null
@@ -1,331 +0,0 @@
-blockchainExplorer = function(){
-
-  // Init array
-  var liste_blocks   = null;
-  var flag_nav       = true;
-  var classes        = ['bg-grey-even','bg-grey-odd'];
-  var cur_class      = 0;
-  var cur_height     = [];
-  var cur_methode    = 'hasard';
-  var isInitSelector = false;
-  var _mode          = 1;
-
-  function _precisionRound(number) {
-      var precision = 4;
-      var factor = Math.pow(10, precision);
-      return Math.round((number/100000000) * factor) / factor;
-  }
-
-  function _getblockNameFromHash(hash)
-  {
-    var retour = '';
-    if (liste_blocks != null)
-      liste_blocks.forEach(function(item){
-        if (hash == item.hash) retour = item.name;
-      });
-    return retour;
-  }
-
-  function _getblocHashFromName(name)
-  {
-    var retour = '';
-    liste_blocks.forEach(function(item){
-      if (name == item.name) retour = item.hash;
-    });
-    return retour;
-  }
-
-  function _addInfoForBlock(block)
-  {
-    var contenu = '';
-    var downloadingImage = new Image();
-
-    cur_height.push(block.height);
-    
-    cur_class  = 1 - cur_class;
-
-    blockName = _getblockNameFromHash(block.hash);
-    if (blockName != '') blockName = ' ( '+blockName+' )';
-      
-    contenu += '      <div style="height:220px;width:100%;display:block;position:absolute">';
-    if (_mode != 0)
-    {
-      contenu += '<div style="color:black;opacity:1.0;margin-right:30px">';
-      // contenu += '      <h2> <span style="font-size:12px">block</span> '+block.height+blockName+'</h2>';
-      //contenu += '<span style="font-size:4px">&nbsp;</span>';
-      contenu += '      <table width="100%" style="margin-top:3px">';
-      //contenu += '       <tr><td>hash</td><td align="right"><b>'+block.hash+'</b></td></tr>';
-      //contenu += '       <tr><td>index</td><td align="right"><b>'+block.block_index+'</b></td></tr>';
-      contenu += '        <tr><td>height</td><td align="right"><b>'+block.height+'</b></td></tr>';
-      contenu += '        <tr><td>timestamp</td><td align="right"><b>'+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>';
-      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_'+block.height).html(contenu);
-
-    contenu = '';
-    contenu += '<div id="img_'+block.height+'" style="';
-    contenu += 'height:220px;';
-    contenu += 'content: "";';
-    contenu += 'top: 0;';
-    contenu += 'left: 0;';
-    contenu += 'bottom: 0;';
-    contenu += 'right: 0;';
-    contenu += 'position: relative;';
-    contenu += 'z-index: -1;   ';
-    contenu += '"></div>'
-
-    $('#info_'+block.height).append(contenu);
-
-    downloadingImage.onload = function(){
-
-      // $('#img_'+block.height).attr('src', this.src);   
-/*
-      $('#img_'+block.height).attr('height', _height);
-      $('#img_'+block.height).attr('width','auto');
-*/
-
-      var div0 = document.getElementById('img_'+block.height);
-
-      div0.style.backgroundImage = "url(" + this.src + ")";
-      div0.style.backgroundRepeat = "no-repeat";
-      div0.style.backgroundPosition = "center";
-      div0.style.backgroundSize = "auto 100%";
-      if (_mode==1) div0.style.opacity=0.3;
-
-      flag_nav = true;
-
-      if (liste_blocks.length % 20)
-        _gotoBlock(block.prev);
-
-    };
-    downloadingImage.src = 'images/block_image.php?methode='+cur_methode+'&hash='+block.hash;
-
-    return true;
-  }
-
-  function _addDiv(block_height)
-  {
-    var contenu = '';
-
-    contenu += '<div id="block_'+block_height+'" class="container-fluid '+classes[cur_class]+'">';
-    contenu += '  <div class="row">';
-    contenu += '###BLOCK_DESC###';
-    contenu += '  </div>';
-    contenu += '</div>';
-
-    return contenu;
-  }
-
-  function _addDivForBlock(block_height, onTop = false)
-  {
-    var tmp;
-    var contenu = _addDiv(block_height);
-    var block_desc = '';
-
-    block_desc += '    <div class="col-sm-12" id="info_'+block_height+'">';
-    block_desc += '      <h2>BLOCK '+block_height+' ...</h2>';
-    block_desc += '    </div>';
-
-    tmp = contenu.replace('###BLOCK_DESC###',block_desc);
-
-    if (onTop) {
-      tmp += $('#blockchain').html();
-      $('#blockchain').html(tmp);
-    } else {
-      $('#blockchain').append(tmp);
-    }
-    return true;
-  }
-
-  function _addDivForVoid()
-  {
-    return _addDivForBlock('void');
-  }
-
-  function _toggleForwardBtn()
-  {
-    if (cur_height.length < 3)
-    {
-      $('#fast_forward_btn').removeClass('btn-success');
-      $('#fast_forward_btn').addClass('btn-secondary');
-      $('#btn-forward').removeClass('btn-info');
-      $('#btn-forward').addClass('btn-secondary');
-    } else {
-      $('#fast_forward_btn').removeClass('btn-secondary');
-      $('#fast_forward_btn').addClass('btn-success');
-      $('#btn-forward').removeClass('btn-secondary');
-      $('#btn-forward').addClass('btn-info');
-    }
-    return true;      
-  }
-
-  function _gotoBlock(block_name)
-  {
-    $(document).scrollTop( $("#explorer").offset().top );
-    // Bloquer la navigation pendant le calcul
-    if (!flag_nav)
-    {
-      window.alert('A block image is currently computed, please wait ...');
-      return false;
-    }
-    flag_nav   = false;
-
-    if (block_name == 'NEXT')
-    {
-      flag_nav   = true;
-
-      // Supprimer un block
-      if (cur_height.length < 3)
-      {
-        window.alert('No Next Block, you are at '+$('#blockSelector').val()+' block !');
-        return false;
-      }
-
-      liste_blocks['PREVIOUS'] = liste_blocks['BLOCK_'+cur_height[cur_height.length-1]];
-      cur_height.pop();
-        
-      _toggleForwardBtn();
-
-      $('#block_'+cur_height[cur_height.length-2]).slideDown(400, function() {
-        // Animation complete.
-        $('#blockchain').children('div:last').remove();
-        cur_class = 1 - cur_class;
-      });
-
-    } else {
-      // Ajouter un block
-      _addDivForBlock(cur_height[cur_height.length-1] - 1);
-
-      // Décaler d'un block vers le haut
-      if (cur_height.length > 1) $('#block_'+cur_height[cur_height.length-2]).slideUp();
-
-      block_hash = '';
-      if (block_name != 'LAST') block_hash = '?block_hash='+liste_blocks[block_name];
-      $.getJSON('data/getBlockInfo.php'+block_hash, function( data ) {
-        liste_blocks['PREVIOUS'] = data.prev;
-        liste_blocks['BLOCK_'+data.height] = data.hash;
-        _addInfoForBlock(data);
-
-        _toggleForwardBtn();
-      });
-    }
-
-    return true;
-  }
-
-  function _ajouterTopBlock(data, flag)
-  {
-    if (flag) return "ajouterTopBlock";
-
-    // Bloquer la navigation pendant le calcul
-    if (!flag_nav) return false;
-    flag_nav = false;
-
-    // Ajouter un div
-    _addDivForBlock(data.height,true);
-    
-    // Décaler le tableau cur_height par le haut
-    cur_height.unshift(data.height);
-
-    // Maintenir la liste des blocks
-    liste_blocks['BLOCK_'+data.height] = data.hash;
-
-    // Mettre les infos dans le div
-    _addInfoForBlock(data);
-  }
-
-  function _ajouterPreviousBlock()
-  {
-    // Bloquer la navigation pendant le calcul
-    if (!flag_nav) return false;
-    flag_nav = false;
-
-    // Ajouter un div
-    _addDivForBlock(cur_height[cur_height.length-1] - 1);
-    
-    // Mettre les infos du block
-    block_hash = '?block_hash='+liste_blocks['PREVIOUS'];
-    $.getJSON('data/getBlockInfo.php'+block_hash, function( data ) {
-      liste_blocks['PREVIOUS'] = data.prev;
-      liste_blocks['BLOCK_'+data.height] = data.hash;
-      _addInfoForBlock(data);
-    });
-  }
-
-  function _initBlockchain(block_name)
-  {
-    $(document).scrollTop( $("#explorer").offset().top );
-    $('#blockchain').html('');
-    cur_height = [];
-    cur_class  = 0;
-    flag_nav   = true;
-
-    block_hash = '';
-    if (block_name != 'LAST') block_hash = '?block_hash='+_getblocHashFromName(block_name);
-    $.getJSON('data/getBlockInfo.php'+block_hash, function( data ) {
-      _addDivForBlock(data.height);        
-      _addInfoForBlock(data);
-
-      liste_blocks['PREVIOUS'] = data.prev;
-      if (data.prev != '0000000000000000000000000000000000000000000000000000000000000000')
-        _gotoBlock('PREVIOUS');
-      else 
-        _addDivForVoid();
-    });
-
-    return true;
-  }
-
-  function _blockSelectorChange()
-  {
-    _initBlockchain($('#blockSelector').val());
-    $('#fast_forward_btn').attr('data-original-title', $('#blockSelector').val());
-  }
-
-  function _initBlockSelector()
-  {
-    if (!isInitSelector)
-    {
-      // Init the selector
-      var select = $('#blockSelector');
-      
-      $.each(liste_blocks, function (key, bloc) {
-        select.append(new Option(bloc.name, bloc.name));
-      });
-
-      isInitSelector = true;
-    }
-  }
-
-  function _init(mode = 1)
-  {
-    _mode = mode;
-    cur_height     = [];
-
-    $.getJSON('data/getKnownBlocksList.php', function( data ) {
-      liste_blocks = data;
-      _initBlockSelector();
-      if (cur_height.length == 0) _initBlockchain('LAST');
-      return true;
-    });
-  }
-
-  return {
-
-    ajouterTopBlock: _ajouterTopBlock,
-    ajouterPreviousBlock: _ajouterPreviousBlock,
-    getblocHashFromName: _getblocHashFromName,
-    ajouterTopBlock : _ajouterTopBlock,
-
-    init: _init
-  };
-}();