3 files changed, 14 insertions, 8 deletions
diff --git a/lib/tpl/dokuwiki/css/mobile.css b/lib/tpl/dokuwiki/css/mobile.css
index ea32fb11d..cc61ab06c 100644
--- a/lib/tpl/dokuwiki/css/mobile.css
+++ b/lib/tpl/dokuwiki/css/mobile.css
@@ -5,16 +5,18 @@
  * @author Anika Henke <anika@selfthinker.org>
  */
 
-body {
-    min-height: 0; /* for detecting media queries in JavaScript (see script.js): */
+/* for detecting media queries in JavaScript (see script.js): */
+#screen__mode {
+    position: relative;
+    z-index: 0;
 }
 
 /* up to 979px screen widths
 ********************************************************************/
 @media only screen and (max-width: 979px) {
 
-body {
-    min-height: 1px; /* for detecting media queries in JavaScript (see script.js) */
+#screen__mode {
+    z-index: 1; /* for detecting media queries in JavaScript (see script.js) */
 }
 
 /* structure */
@@ -115,9 +117,12 @@ body {
 ********************************************************************/
 @media only screen and (max-width: 480px) {
 
+#screen__mode {
+    z-index: 2; /* for detecting media queries in JavaScript (see script.js) */
+}
+
 body {
     font-size: 100%;
-    min-height: 2px; /* for detecting media queries in JavaScript (see script.js) */
 }
 
 /*____________ structure ____________*/
diff --git a/lib/tpl/dokuwiki/main.php b/lib/tpl/dokuwiki/main.php
index 2406a206b..6b1e95d62 100644
--- a/lib/tpl/dokuwiki/main.php
+++ b/lib/tpl/dokuwiki/main.php
@@ -91,6 +91,7 @@ $showSidebar = $hasSidebar && ($ACT=='show');
     </div></div><!-- /site -->
 
     <div class="no"><?php tpl_indexerWebBug() /* provide DokuWiki housekeeping, required in all templates */ ?></div>
+    <div id="screen__mode" class="no"></div><?php /* helper to detect CSS media query in script.js */ ?></div>
     <!--[if ( lte IE 7 | IE 8 ) ]></div><![endif]-->
 </body>
 </html>
diff --git a/lib/tpl/dokuwiki/script.js b/lib/tpl/dokuwiki/script.js
index ec6e5285e..3ed8dbabe 100644
--- a/lib/tpl/dokuwiki/script.js
+++ b/lib/tpl/dokuwiki/script.js
@@ -13,16 +13,16 @@ var device_classes = 'desktop mobile tablet phone';
 function tpl_dokuwiki_mobile(){
 
     // the z-index in mobile.css is (mis-)used purely for detecting the screen mode here
-    var screen_mode = jQuery('body').css('min-height');
+    var screen_mode = jQuery('#screen__mode').css('z-index');
 
     // determine our device pattern
     // TODO: consider moving into dokuwiki core
     switch (screen_mode) {
-        case '1px':
+        case '1':
             if (device_class.match(/tablet/)) return;
             device_class = 'mobile tablet';
             break;
-        case '2px':
+        case '2':
             if (device_class.match(/phone/)) return;
             device_class = 'mobile phone';
             break;