- $theme = get_pref($link, "USER_CSS_THEME", $_SESSION["uid"], false);
- if ($theme) {
- echo stylesheet_tag("themes/$theme");
+ $theme = get_pref("USER_CSS_THEME", false, false);
+ if ($theme && theme_valid("$theme")) {
+ echo stylesheet_tag(get_theme_path($theme));
+ } else {
+ echo stylesheet_tag("css/default.css");