diff --git a/fixed_move_test.html b/fixed_move_test.html
deleted file mode 100644
index a40a438a3570727e34f2d458d3fa399ec6c6043a..0000000000000000000000000000000000000000
--- a/fixed_move_test.html
+++ /dev/null
@@ -1,100 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <style>
-      /* Wrapper class to trigger the effect */
-      .trigger {
-        width : 220px ;
-        border : 1px solid #000 ;
-        display : inline-block ;
-      }
-      .trigger:hover .container{
-        left : 200px ;
-      }
-      /* Absolutely positionned element */
-      .container {
-        position : relative ;
-        width : 20px ;
-        height : 20px ;
-        left : 0px ;
-        background : #aaa ;
-        transition : all .25s ease-out ;
-      }
-      /* Fixed element inside the absolute one */
-      .child {
-        position : fixed ;
-        width : 20px ;
-        height : 20px ;
-        background : #aaa ;
-        top : 100px ;
-      }
-    </style>
-  </head>
-  <body>
-    <!-- Display the bug test result -->
-    Your brother has the bug : <span id='bug-status'></span><br/><br/>
-    <div class="trigger">
-    <!-- Demonstrate the error without any fix -->
-      <span>Reference</span><br/>
-      <div class="container">
-          <div class="child">
-          </div>
-        </div>
-      </div>
-    </div>
-    <!-- Apply the fix fix -->
-    <div class="trigger" id="trigger">
-      <span>Fixed</span><br/>
-      <div class="container" id="container">
-          <div class="child" id="child">
-          </div>
-        </div>
-      </div>
-    </div>
-  </body>
-  <script>
-    /* Fix to programatically force fixed element repositionning */
-    var trigger = document.getElementById('trigger') ;
-    var container = document.getElementById('container') ;
-    var child = document.getElementById('child') ;
-    function from_and_back(evt) {
-      if(container.children.length) {
-        container.removeChild(child) ;
-        setTimeout(function() {container.appendChild(child) ;}, 300) ;
-      }
-    }
-    trigger.addEventListener('mouseenter', from_and_back) ;
-    trigger.addEventListener('mouseleave', from_and_back) ;
-
-    /* Simulate the bug to check whether the browser experiences it */
-    var bug_status = document.getElementById('bug-status') ;
-    bug_status.innerText = (function() {
-      //create an absolutely positionned element
-      var abs = document.createElement('div') ;
-      abs.style.position = 'relative' ;
-      abs.style.left = '0px' ;
-
-      //create a fixed element to put inside
-      var fix = document.createElement('div') ;
-      fix.style.position = 'fixed' ;
-
-      //insert it into the document
-      abs.appendChild(fix) ;
-      document.body.appendChild(abs) ;
-
-      //test
-      fix.getBoundingClientRect() ;
-      abs.style.left = '20px' ;
-      var fix_left = fix.getBoundingClientRect().left ;
-      var abs_left = abs.getBoundingClientRect().left ;
-
-      //remove test elements from the document
-      document.body.removeChild(abs) ;
-
-      //send the result
-      return abs_left !== fix_left ;
-    })() ; 
-  </script>
-</html>
-
diff --git a/sortable_test.html b/sortable_test.html
deleted file mode 100644
index 16c2f5b4216066a4120385988b4f36cfb06d3129..0000000000000000000000000000000000000000
--- a/sortable_test.html
+++ /dev/null
@@ -1,456 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <title>Explosurf</title>
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <link rel="stylesheet" type="text/css" href="css/bootstrap.css" />
-    <link rel="stylesheet" type="text/css" href="css/style.css" />
-    <script type="text/javascript" src="js/sortable.js"></script>
-    <script type="text/javascript" src="js/ui.js"></script>
-  </head>
-  <body>
-  <!--{{{ programming interface-->
-    <div class="container" id="root-container">
-      <!--{{{ navigation-->
-      <nav class="navbar navbar-default">
-        <div class="container-fluid">
-          <div class="navbar-header">
-            <button type="button" 
-              class="navbar-toggle collapsed" 
-              data-toggle="collapse" 
-              data-target="#navbar" 
-              aria-expanded="false" 
-              aria-controls="navbar"
-              >
-              <span class="sr-only">Toggle navigation</span>
-              <span class="icon-bar"></span>
-              <span class="icon-bar"></span>
-              <span class="icon-bar"></span>
-            </button>
-            <a class="navbar-brand" href="#">Test sortable</a>
-          </div>
-          <div class="collapse navbar-collapse" id="navbar">
-            <ul class="nav navbar-nav navbar-right">
-              <li>
-                <a href="index.html">Retour</a>
-              </li>
-            </ul>
-          </div>
-        </div>
-      </nav>
-      <!--}}}-->
-
-      <div class="container-fluid" id="pgm-container">
-        <div class="row row-offcanvas row-offcanvas-left" id="program">
-          <!--{{{ commands-->
-          <div class="col-xs-12 col-sm-4 sidebar-offcanvas" id="library">
-            <div class="panel panel-default">
-              <!--{{{ tabs-->
-              <div class="panel-heading tabbed-heading">
-                <ul class="nav nav-tabs">
-                  <li class="active">
-                    <a class="glyphicon glyphicon-move" data-toggle="tab" href=#mv_cmds></a>
-                  </li>
-                  <li>
-                    <a class="glyphicon glyphicon-pencil" data-toggle="tab" href=#var_cmds></a>
-                  </li>
-                  <li>
-                    <a class="glyphicon glyphicon-random" data-toggle="tab" href=#ctrl_cmds></a>
-                  </li>
-                  <li>
-                    <a class="glyphicon glyphicon-ok" data-toggle="tab" href=#test_cmds></a>
-                  </li>
-                  <li>
-                    <a class="glyphicon glyphicon-plus" data-toggle="tab" href=#arth_cmds></a>
-                  </li>
-                  <li>
-                    <a class="glyphicon glyphicon-font" data-toggle="tab" href=#txt_cmds></a>
-                  </li>
-                </ul>
-                <a class="glyphicon glyphicon-remove hidden" 
-                  id="btn-close-library" 
-                  href="javascript:mobile_context_reset();"
-                ></a>
-              </div>
-              <!--}}}-->
-              <div class="tab-content panel-collapse no-top-border-lists">
-                <!--{{{ movement-->
-                <ul id="mv_cmds" class="list-group tab-pane fade library-group in active">
-                  <li class="list-group-item pgm-command pgm-type-direction cmd-dir-up">
-                    <span class="glyphicon glyphicon-circle-arrow-up"></span>
-                    haut
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-direction cmd-dir-left">
-                    <span class="glyphicon glyphicon-circle-arrow-left"></span>
-                    gauche 
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-direction cmd-dir-down">
-                    <span class="glyphicon glyphicon-circle-arrow-down"></span>
-                    bas 
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-direction cmd-dir-right">
-                    <span class="glyphicon glyphicon-circle-arrow-right"></span>
-                    droite 
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-color cmd-col-red">
-                    <span class="glyphicon glyphicon-adjust text-danger"></span>
-                    rouge 
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-color cmd-col-yellow">
-                    <span class="glyphicon glyphicon-adjust text-warning"></span>
-                    jaune 
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-color cmd-col-green">
-                    <span class="glyphicon glyphicon-adjust text-success"></span>
-                    vert 
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-color cmd-col-blue">
-                    <span class="glyphicon glyphicon-adjust text-primary"></span>
-                    bleu 
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-color cmd-col-of">
-                    <span class="glyphicon glyphicon-transfer"></span>
-                    couleur de 
-                    <div class="pgm-recv pgm-recv-direction">
-                      <div class="placeholder">direction</div>
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-direction cmd-dir-of">
-                    <span class="glyphicon glyphicon-transfer"></span>
-                    direction de 
-                    <div class="pgm-recv pgm-recv-color">
-                      <div class="placeholder">couleur</div>
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-direction cmd-next-dir">
-                    <span class="glyphicon glyphicon-refresh"></span>
-                    direction suivante de 
-                    <div class="pgm-recv pgm-recv-direction">
-                      <div class="placeholder">direction</div>
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-color cmd-next-col">
-                    <span class="glyphicon glyphicon-refresh"></span>
-                    couleur suivante de 
-                    <div class="pgm-recv pgm-recv-color">
-                      <div class="placeholder">couleur</div>
-                    </div>
-                  </li>
-                </ul>
-                <!--}}}-->
-                <!--{{{ vaiables-->
-                <ul id="var_cmds" class="list-group tab-pane fade library-group">
-                  <li class="list-group-item pgm-command pgm-type-void cmd-var-local-set">
-                    <span class="glyphicon glyphicon-map-marker"></span>
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="variable" disabled></input> 
-                    </div>
-                    &larr;
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="valeur" disabled></input> 
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-read cmd-var-local-read">
-                    <span class="glyphicon glyphicon-map-marker"></span>
-                    <span class="glyphicon glyphicon-search"></span>
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="variable" disabled></input> 
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-void cmd-var-local-delete-var">
-                    <span class="glyphicon glyphicon-map-marker"></span>
-                    <span class="glyphicon glyphicon-trash"></span>
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="variable" disabled></input> 
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-void cmd-var-local-delete-tile">
-                    <span class="glyphicon glyphicon-map-marker"></span>
-                    <span class="glyphicon glyphicon-trash"></span>
-                    tout sur la case
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-void cmd-var-local-delete-world">
-                    <span class="glyphicon glyphicon-map-marker"></span>
-                    <span class="glyphicon glyphicon-trash"></span>
-                    tout sur toutes les cases
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-void cmd-var-global-set">
-                    <span class="glyphicon glyphicon-globe"></span>
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="variable" disabled></input> 
-                    </div>
-                    &larr;
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="valeur" disabled></input> 
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-read cmd-var-global-read">
-                    <span class="glyphicon glyphicon-globe"></span>
-                    <span class="glyphicon glyphicon-search"></span>
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="variable" disabled></input> 
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-void cmd-var-global-delete-var">
-                    <span class="glyphicon glyphicon-globe"></span>
-                    <span class="glyphicon glyphicon-trash"></span>
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="variable" disabled></input> 
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-void cmd-var-global-delete-all">
-                    <span class="glyphicon glyphicon-globe"></span>
-                    <span class="glyphicon glyphicon-trash"></span>
-                    tout
-                  </li>
-                </ul>
-                <!--}}}-->
-                <!--{{{ control-->
-                <ul id="ctrl_cmds" class="list-group tab-pane fade library-group">
-                  <li class="list-group-item panel panel-default pgm-block pgm-type-void cmd-block-if">
-                    <div class="panel-heading">
-                      Si
-                      <div class="pgm-recv pgm-recv-bool">
-                        <div class="placeholder">test</div>
-                      </div>
-                    </div>
-                    <ul class="list-group pgm-recv-void">
-                      <li class="list-group-item pgm-command block-add no-sort hidden">
-                        <span class="glyphicon glyphicon-plus"></span>
-                      </li>
-                    </ul>
-                  </li>
-                  <li class="list-group-item panel panel-default pgm-block pgm-type-void cmd-block-if-else">
-                    <div class="panel-heading">
-                      Si
-                      <div class="pgm-recv pgm-recv-bool">
-                        <div class="placeholder">test</div>
-                      </div>
-                    </div>
-                    <ul class="list-group pgm-recv-void">
-                      <li class="list-group-item pgm-command block-add no-sort hidden">
-                        <span class="glyphicon glyphicon-plus"></span>
-                      </li>
-                    </ul>
-                    <div class="panel-heading">
-                      Sinon
-                    </div>
-                    <ul class="list-group pgm-recv-void">
-                      <li class="list-group-item pgm-command block-add no-sort hidden">
-                        <span class="glyphicon glyphicon-plus"></span>
-                      </li>
-                    </ul>
-                  </li>
-                  <li class="list-group-item panel panel-default pgm-block pgm-type-void cmd-block-while">
-                    <div class="panel-heading">
-                      Tant que
-                      <div class="pgm-recv pgm-recv-bool">
-                        <div class="placeholder">test</div>
-                      </div>
-                    </div>
-                    <ul class="list-group pgm-recv-void">
-                      <li class="list-group-item pgm-command block-add no-sort hidden">
-                        <span class="glyphicon glyphicon-plus"></span>
-                      </li>
-                    </ul>
-                  </li>
-                </ul>
-                <!--}}}-->
-                <!--{{{ tests-->
-                <ul id="test_cmds" class="list-group tab-pane fade library-group">
-                  <li class="list-group-item pgm-command pgm-type-bool cmd-test-equal">
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="valeur" disabled></input> 
-                    </div>
-                    =
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="valeur" disabled></input> 
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-bool cmd-test-gt">
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="valeur" disabled></input> 
-                    </div>
-                    &gt;
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="valeur" disabled></input> 
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-bool cmd-test-ge">
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="valeur" disabled></input> 
-                    </div>
-                    &ge;
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="valeur" disabled></input> 
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-bool cmd-test-not">
-                    non
-                    <div class="pgm-recv pgm-recv-bool">
-                      <div class="placeholder">test</div>
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-bool cmd-test-or">
-                    <div class="pgm-recv pgm-recv-bool">
-                      <div class="placeholder">test</div>
-                    </div>
-                    ou
-                    <div class="pgm-recv pgm-recv-bool">
-                      <div class="placeholder">test</div>
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-bool cmd-test-and">
-                    <div class="pgm-recv pgm-recv-bool">
-                      <div class="placeholder">test</div>
-                    </div>
-                    et
-                    <div class="pgm-recv pgm-recv-bool">
-                      <div class="placeholder">test</div>
-                    </div>
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-bool cmd-test-var-exists-local">
-                    <span class="glyphicon glyphicon-map-marker"></span>
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="variable" disabled></input> 
-                    </div>
-                    existe
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-bool cmd-test-var-exists-global">
-                    <span class="glyphicon glyphicon-globe"></span>
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="variable" disabled></input> 
-                    </div>
-                    existe
-                  </li>
-                </ul>
-                <!--}}}-->
-                <!--{{{ arithmetics-->
-                <ul id="arth_cmds" class="list-group tab-pane fade library-group">
-                  <li class="list-group-item pgm-command pgm-type-int cmd-arith-plus">
-                    (
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="entier" disabled></input> 
-                    </div>
-                    +
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="entier" disabled></input> 
-                    </div>
-                    )
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-int cmd-arith-minus">
-                    (
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="entier" disabled></input> 
-                    </div>
-                    -
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="entier" disabled></input> 
-                    </div>
-                    )
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-int cmd-arith-mult">
-                    (
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="entier" disabled></input> 
-                    </div>
-                    &times;
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="entier" disabled></input> 
-                    </div>
-                    )
-                  </li>
-                  <li class="list-group-item pgm-command pgm-type-int cmd-arith-div">
-                    (
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="entier" disabled></input> 
-                    </div>
-                    &divide;
-                    <div class="pgm-recv pgm-recv-int">
-                      <input size=8 placeholder="entier" disabled></input> 
-                    </div>
-                    )
-                  </li>
-                </ul>
-                <!--}}}-->
-                <!--{{{ strings-->
-                <ul id="txt_cmds" class="list-group tab-pane fade library-group">
-                  <li class="list-group-item pgm-command pgm-type-str cmd-str-concat">
-                    <span class="glyphicon glyphicon-paperclip"></span>
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="debut" disabled></input> 
-                    </div>
-                    <div class="pgm-recv pgm-recv-str">
-                      <input size=8 placeholder="fin" disabled></input> 
-                    </div>
-                  </li>
-                </ul>
-                <!--}}}-->
-              </div>
-            </div>
-          </div>
-          <!---}}}-->
-          <!--{{{ program-->
-          <div class="col-xs-12 col-sm-8">
-            <div class="panel panel-default pgm">
-              <div class="panel-heading">
-                <h3 class="panel-title pull-left" id="pgm-title">Programme</h3>
-                <div class="btn-group pull-right hidden-xs" role="group" id="desktop-switches">
-                  <button class="btn btn-default" type="button" id="desktop-ui-phone"
-                    onclick="javascript:toggle_mobile();"
-                  >
-                    <span class="glyphicon glyphicon-phone"></span>
-                  </button>
-                  <button class="btn btn-default" type="button" id="desktop-ui-copy"
-                    onclick="javascript:toggle_copy();"
-                  >
-                    <span class="glyphicon glyphicon-copy"></span>
-                  </button>
-                </div>
-              </div>
-              <ul class="list-group pgm-recv-void" id="pgm-main">
-                <li class="list-group-item pgm-command block-add no-sort hidden">
-                  <span class="glyphicon glyphicon-plus"></span>
-                </li>
-              </ul>
-            </div>
-          </div>
-          <!--}}}-->
-        </div>
-      </div>
-    </div>
-    <!--{{{ mobile toolbar-->
-    <div class="btn-toolbar hidden" role="toolbar" id="phone-toolbar">
-      <div class="btn-group" role="group">
-        <button class="btn btn-default active" autofocus type="button" id="tool-add"
-          onclick="javascript:phone_tools_set('tool-add');"
-        >
-          <span class="glyphicon glyphicon-plus"></span>
-        </button>
-        <button class="btn btn-default" type="button" id="tool-cut"
-          onclick="javascript:phone_tools_set('tool-cut');"
-        >
-          <span class="glyphicon glyphicon-scissors"></span>
-        </button>
-        <button class="btn btn-default" type="button" id="tool-copy"
-          onclick="javascript:phone_tools_set('tool-copy');"
-        >
-          <span class="glyphicon glyphicon-copy"></span>
-        </button>
-        <button class="btn btn-default" type="button" id="tool-paste"
-          onclick="javascript:phone_tools_set('tool-paste');"
-        >
-          <span class="glyphicon glyphicon-paste"></span>
-        </button>
-      </div>
-    </div>
-    <!--}}}-->
-    <!--}}}-->
-    <script type="text/javascript" src="js/bootstrap-native.js"></script>
-    <script type="text/javascript" src="js/pgm_construction.js"></script>
-    <script type="text/javascript" src="js/pgm_compiler.js"></script>
-    <div class="visible-xs-block" id="mobile-tester"></div>
-  </body>
-</html>
-