Opera Mini fixes

boards/static/js/form.js

@@ -120,17 +120,22 b' function selectFileChoice() {'
         });
     }
 
-    var source = localStorage.getItem(ITEM_FILE_SOURCE);
-    if (source == null) {
-        source = 'file';
-    }
-    if (source == 'file') {
-        $('#id_file_url').parent().parent().hide();
+    var $fileSourceButton = $('#file-source-button');
+    if (window.localStorage) {
+        var source = localStorage.getItem(ITEM_FILE_SOURCE);
+        if (source == null) {
+            source = 'file';
+        }
+        if (source == 'file') {
+            $('#id_file_url').parent().parent().hide();
+        } else {
+            $('#id_file').parent().parent().hide();
+        }
+
+        $fileSourceButton.click(function() {
+            selectFileChoice();
+        });
     } else {
-        $('#id_file').parent().parent().hide();
+        $fileSourceButton.hide();
     }
-
-    $('#file-source-button').click(function() {
-        selectFileChoice();
-    });
 });

boards/static/js/main.js

@@ -123,6 +123,7 b' function getVolumeLevel() {'
 }
 
 function processVolumeUser(node) {
+    if (!window.localStorage) return;
     node.prop("volume", getVolumeLevel());
     node.on('volumechange', function(event) {
         setVolumeLevel(event.target.volume);
@@ -140,6 +141,15 b' function addScriptsToPost(post) {'
     processVolumeUser(post.find("video,audio"));
 }
 
+/**
+ * Fix compatibility issues with some rare browsers
+ */
+function compatibilityCrutches() {
+    if (window.operamini) {
+        $('#form textarea').each(function() { this.placeholder = ''; });
+    }
+}
+
 $( document ).ready(function() {
     hideEmailFromForm();
 
@@ -158,4 +168,6 b' function addScriptsToPost(post) {'
 
     var volumeUsers = $("video,audio");
     processVolumeUser(volumeUsers);
+
+    compatibilityCrutches();
 });