//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Called!');
// Check if new theme is selcted
- if ((isPostRequestElementSet('new_theme')) && (postRequestElement('new_theme') != getCurrentTheme())) {
+ if ((isPostRequestElementSet('new_theme')) && (postRequestElement('new_theme') != getCurrentTheme()) && (isThemeReadable(postRequestElement('new_theme')))) {
// Set new theme for guests
$newTheme = postRequestElement('new_theme');