diff --git a/getJSON.php b/getJSON.php
index cdd5a4f..24dc92e 100644
--- a/getJSON.php
+++ b/getJSON.php
@@ -26,7 +26,7 @@
     $currentPage = Page::getPage ($page, $qid, $query, $n);
     $currentPage->InitializeContent ();
     
-    $out = array ( "title" => $currentPage->title, "version" => VERSION);
+    $out = array ( "title" => $currentPage->title);
     $entries = array ();
     foreach ($currentPage->entryArray as $entry) {
         array_push ($entries, $entry->getContentArray ());
@@ -55,7 +55,8 @@
         $out ["currentPage"] = $currentPage->n;
     }
     if (!is_null (getURLParam ("complete"))) { 
-        $out ["i18n"] = array ("coverAlt" => localize("i18n.coversection"),
+        $out ["const"] = array ("version" => VERSION, "i18n" => array (
+                    "coverAlt" => localize("i18n.coversection"),
                    "authorsTitle" => localize("authors.title"),
                    "bookwordTitle" => localize("bookword.title"),
                    "tagsTitle" => localize("tags.title"),
@@ -72,7 +73,7 @@
                    "languagesTitle" => localize("language.title"),
                    "contentTitle" => localize("content.summary"),
                    "sortorderAsc" => localize("search.sortorder.asc"),
-                   "sortorderDesc" => localize("search.sortorder.desc"));
+                   "sortorderDesc" => localize("search.sortorder.desc")));
    }
 
     $out ["containsBook"] = 0;
diff --git a/templates/default/bookdetail.html b/templates/default/bookdetail.html
index 07c9870..8cba571 100644
--- a/templates/default/bookdetail.html
+++ b/templates/default/bookdetail.html
@@ -2,7 +2,7 @@
     <span class="cover">
         {{? it.book.hasCover == 1}}
         <a href="{{=it.book.coverurl}}">
-          <img src="{{=it.book.thumbnailurl}}" alt="{{=it.i18n.coverAlt}}" />
+          <img src="{{=it.book.thumbnailurl}}" alt="{{=it.const.i18n.coverAlt}}" />
         </a>
         {{?}}
     </span>
@@ -11,16 +11,16 @@
         <a href="{{=data.url}}">{{=data.format}}</a><br />
         {{~}}
     </h2>
-    <h1><a rel="bookmark" href="{{=it.book.detailurl}}"><img src="images/Link.png?v={{=it.version}}" alt="{{=it.i18n.permalinkAlt}}" /></a>{{=htmlEscape (it.title)}}</h1>
+    <h1><a rel="bookmark" href="{{=it.book.detailurl}}"><img src="images/Link.png?v={{=it.const.version}}" alt="{{=it.const.i18n.permalinkAlt}}" /></a>{{=htmlEscape (it.title)}}</h1>
     <p class="popupless">
-        <h3>{{=it.i18n.authorsTitle}}: </h3>
+        <h3>{{=it.const.i18n.authorsTitle}}: </h3>
         {{~it.book.authors:author:j}}
         {{? j > 0}}, {{?}}<a href="{{=author.url}}">{{=htmlEscape (author.name)}}</a>
         {{~}}
     </p>
     {{? it.book.tagsName != ""}}
     <p class="popupless">
-        <h3>{{=it.i18n.tagsTitle}}: </h3>
+        <h3>{{=it.const.i18n.tagsTitle}}: </h3>
         {{~it.book.tags:tag:k}}
         {{? k > 0}}, {{?}}<a href="{{=tag.url}}">{{=htmlEscape (tag.name)}}</a>
         {{~}}
@@ -28,22 +28,22 @@
     {{?}}
     {{? it.book.seriesName != ""}}
     <p class="popupless">
-        <h3><a href="{{=it.book.seriesurl}}">{{=it.i18n.seriesTitle}}</a> : </h3>{{=htmlEscape (it.book.seriesCompleteName)}}
+        <h3><a href="{{=it.book.seriesurl}}">{{=it.const.i18n.seriesTitle}}</a> : </h3>{{=htmlEscape (it.book.seriesCompleteName)}}
     </p>
     {{?}}
     {{? it.book.pubDate != ""}}
     <p class="popupless">
-        <h3>{{=it.i18n.pubdateTitle}}: </h3>{{=it.book.pubDate}}
+        <h3>{{=it.const.i18n.pubdateTitle}}: </h3>{{=it.book.pubDate}}
     </p>
     {{?}}
     {{? it.book.languagesName != ""}}
     <p class="popupless">
-        <h3>{{=it.i18n.languagesTitle}}: </h3>{{=it.book.languagesName}}
+        <h3>{{=it.const.i18n.languagesTitle}}: </h3>{{=it.book.languagesName}}
     </p>
     {{?}}
     {{? it.book.content != ""}}
     <br />
-    <h4>{{=it.i18n.contentTitle}}</h4>
+    <h4>{{=it.const.i18n.contentTitle}}</h4>
     <div>{{=it.book.content}}</div>
     {{?}}
 </article>
\ No newline at end of file
diff --git a/templates/default/footer.html b/templates/default/footer.html
index 640a795..6c9863f 100644
--- a/templates/default/footer.html
+++ b/templates/default/footer.html
@@ -1,15 +1,15 @@
 <footer>
     <div class="footleft">
-        <a href="customize.php"><img src="images/theme.png?v={{=it.version}}" alt="{{=it.i18n.customizeTitle}}" /></a>
+        <a href="customize.php"><img src="images/theme.png?v={{=it.const.version}}" alt="{{=it.const.i18n.customizeTitle}}" /></a>
     </div>
     <div class="footright">
-        <a class="fancyabout" href="{{=it.abouturl}}"><img src="images/info.png?v={{=it.version}}" alt="{{=it.i18n.aboutTitle}}" /></a>
+        <a class="fancyabout" href="{{=it.abouturl}}"><img src="images/info.png?v={{=it.const.version}}" alt="{{=it.const.i18n.aboutTitle}}" /></a>
     </div>
     {{? it.isPaginated == 1}}
     <div class="footcenter">
-        {{? it.prevLink != ""}}<a id="prevLink" href="{{=it.prevLink}}" ><img src="images/previous.png?v={{=it.version}}" alt="{{=it.i18n.previousAlt}}" /></a>{{?}}
+        {{? it.prevLink != ""}}<a id="prevLink" href="{{=it.prevLink}}" ><img src="images/previous.png?v={{=it.const.version}}" alt="{{=it.const.i18n.previousAlt}}" /></a>{{?}}
         <p> {{=it.currentPage}} / {{=it.maxPage}} </p>
-        {{? it.nextLink != ""}}<a id="nextLink" href="{{=it.nextLink}}" ><img src="images/next.png?v={{=it.version}}" alt="{{=it.i18n.nextAlt}}" /></a>{{?}}
+        {{? it.nextLink != ""}}<a id="nextLink" href="{{=it.nextLink}}" ><img src="images/next.png?v={{=it.const.version}}" alt="{{=it.const.i18n.nextAlt}}" /></a>{{?}}
     </div>
     {{?}}
 </footer>
\ No newline at end of file
diff --git a/templates/default/header.html b/templates/default/header.html
index d1651eb..407bf06 100644
--- a/templates/default/header.html
+++ b/templates/default/header.html
@@ -1,8 +1,8 @@
 <header>
     <a class="headleft" href="{{=it.homeurl}}">
-            <img src="images/home.png?v={{=it.version}}" alt="{{=it.i18n.homeAlt}}" />
+            <img src="images/home.png?v={{=it.const.version}}" alt="{{=it.const.i18n.homeAlt}}" />
     </a>
-    <img class="headright" id="searchImage" src="images/setting64.png?v={{=it.version}}" alt="Settings and menu" />
+    <img class="headright" id="searchImage" src="images/setting64.png?v={{=it.const.version}}" alt="Settings and menu" />
     <div class="headcenter">
         <h1>{{=it.title}}</h1>
     </div>
@@ -10,7 +10,7 @@
         <div style="float: left; width: 60%">
             <form action="index.php" method="get">
                 <div style="float: right">
-                    <input type="image" src="images/search32.png?v={{=it.version}}" alt="{{=it.i18n.searchAlt}}" />
+                    <input type="image" src="images/search32.png?v={{=it.const.version}}" alt="{{=it.const.i18n.searchAlt}}" />
                 </div>
                 <div class="stop">
                     <input type="hidden" name="current" value="{{=it.page}}" />
@@ -25,18 +25,18 @@
         {{? it.containsBook == 1}}
         <div style="float: right; width: 35%">
             <div style="float: right">
-                <img id="sort" src="images/sort32.png?v={{=it.version}}" alt="{{=it.i18n.sortAlt}}" />
+                <img id="sort" src="images/sort32.png?v={{=it.const.version}}" alt="{{=it.const.i18n.sortAlt}}" />
             </div>
             <div class="stop">
                 <select id="sortchoice">
-                    <option value="st">{{=it.i18n.bookwordTitle}}</option>
-                    <option value="sa">{{=it.i18n.authorsTitle}}</option>
-                    <option value="ss">{{=it.i18n.seriesTitle}}</option>
-                    <option value="sp">{{=it.i18n.pubdateTitle}}</option>
+                    <option value="st">{{=it.const.i18n.bookwordTitle}}</option>
+                    <option value="sa">{{=it.const.i18n.authorsTitle}}</option>
+                    <option value="ss">{{=it.const.i18n.seriesTitle}}</option>
+                    <option value="sp">{{=it.const.i18n.pubdateTitle}}</option>
                 </select>
                 <select id="sortorder">
-                    <option value="asc">{{=it.i18n.sortorderAsc}}</option>
-                    <option value="desc">{{=it.i18n.sortorderDesc}}</option>
+                    <option value="asc">{{=it.const.i18n.sortorderAsc}}</option>
+                    <option value="desc">{{=it.const.i18n.sortorderDesc}}</option>
                 </select> 
             </div>
         </div>
diff --git a/templates/default/main.html b/templates/default/main.html
index 75c5463..d650241 100644
--- a/templates/default/main.html
+++ b/templates/default/main.html
@@ -16,7 +16,7 @@
     <article class="books">
             <span class="cover">
             {{? entry.book.hasCover == 1}}
-                <a data-fancybox-group="group" class="fancycover" href="{{=entry.coverurl}}"><img src="{{=entry.thumbnailurl}}" alt="{{=it.i18n.coverAlt}}" /></a>
+                <a data-fancybox-group="group" class="fancycover" href="{{=entry.coverurl}}"><img src="{{=entry.thumbnailurl}}" alt="{{=it.const.i18n.coverAlt}}" /></a>
             {{?}}
             </span>
             <h2 class="download">
@@ -30,9 +30,9 @@
                 {{? entry.book.pubDate != ""}}<span class="sp">({{=entry.book.pubDate}})</span>{{?}}
                 {{? entry.book.rating != ""}}<span class="sr">{{=entry.book.rating}}</span>{{?}}
                 </h2>
-                <h4>{{=it.i18n.authorsTitle}} : </h4><span class="sa">{{=htmlEscape (entry.book.authorsName)}}</span><br />
-                {{? entry.book.tagsName != ""}}<h4>{{=it.i18n.tagsTitle}} : </h4>{{=htmlEscape (entry.book.tagsName)}}<br />{{?}}
-                {{? entry.book.seriesName != ""}}<h4>{{=it.i18n.seriesTitle}} : </h4>{{=htmlEscape (entry.book.seriesName)}}<br />{{?}}
+                <h4>{{=it.const.i18n.authorsTitle}} : </h4><span class="sa">{{=htmlEscape (entry.book.authorsName)}}</span><br />
+                {{? entry.book.tagsName != ""}}<h4>{{=it.const.i18n.tagsTitle}} : </h4>{{=htmlEscape (entry.book.tagsName)}}<br />{{?}}
+                {{? entry.book.seriesName != ""}}<h4>{{=it.const.i18n.seriesTitle}} : </h4>{{=htmlEscape (entry.book.seriesName)}}<br />{{?}}
             </div></a>
         </article>
     {{?}}
diff --git a/util.js b/util.js
index fffa612..33757b6 100644
--- a/util.js
+++ b/util.js
@@ -36,7 +36,7 @@ function navigateTo (url) {
 }
 
 function updatePage (data) {
-    data ["i18n"] = currentData ["i18n"];
+    data ["const"] = currentData ["const"];
     currentData = data;
     var result = templatePage (data);
     document.title = data.title;
@@ -73,7 +73,7 @@ function updatePage (data) {
             var url = $(this).attr("href");
             var jsonurl = url.replace ("bookdetail", "getJSON");
             $.getJSON(jsonurl, function(data) {
-                data ["i18n"] = currentData ["i18n"];
+                data ["const"] = currentData ["const"];
                 var detail = templateBookDetail (data);
                 $.fancybox( {
                     content: detail,