--- loncom/interface/lonhtmlcommon.pm	2013/07/15 14:32:45	1.351
+++ loncom/interface/lonhtmlcommon.pm	2013/07/22 11:46:23	1.352
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.351 2013/07/15 14:32:45 bisitz Exp $
+# $Id: lonhtmlcommon.pm,v 1.352 2013/07/22 11:46:23 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -64,9 +64,15 @@ use HTML::Entities();
 use LONCAPA qw(:DEFAULT :match);
 
 sub java_not_enabled {
-   return "\n".'<span class="LC_error">'.
-          &mt('The required Java applet could not be started. Please make sure to have Java installed and active in your browser.').
-          "</span>\n";
+    if (($env{'browser.mobile'}) && ($env{'browser.mobile'} =~ /^ipad|ipod|iphone$/i)) {
+        return "\n".'<span class="LC_error">'.
+               &mt('The required Java applet could not be started, because Java is not supported by your mobile device.').
+               "</span>\n";
+    } else {
+        return "\n".'<span class="LC_error">'.
+               &mt('The required Java applet could not be started. Please make sure to have Java installed and active in your browser.').
+               "</span>\n";
+    }
 }
 
 sub coursepreflink {