var topics = TWITTERBAR_COMMON.prefs.getCharPref("trends").split("\t");
if (topics) {
var str = '<h2 id="twitterbar-trends" class="sidebar-title" style="background: transparent !important;"><span title="'+this.strings.getString("twitterbar.trends.byline")+'">'+this.strings.getString("twitterbar.trends.title")+'</span></h2>';