SB tag cloud fix: NEW sb_print_tag_clouds

//Prints tag cloud
function sb_print_tag_clouds($minfont=80, $maxfont=150) {
	global $wpdb;
	$rawtags = $wpdb->get_results("SELECT name FROM {$wpdb->prefix}sb_tags as t RIGHT JOIN {$wpdb->prefix}sb_sermons_tags as st ON t.id = st.tag_id");
	foreach ($rawtags as $tag) {
		if (isset($cnt[$tag->name]))
			$cnt[$tag->name]++;
		else
			$cnt[$tag->name] = 1;
	}
	unset($cnt['']);
	$fontrange = $maxfont - $minfont;
	$maxcnt = 0;
	$mincnt = 1000000;
	foreach ($cnt as $cur) {
		if ($cur > $maxcnt) $maxcnt = $cur;
		if ($cur < $mincnt) $mincnt = $cur;
	}
	$cntrange = $maxcnt + 1 - $mincnt;
	$minlog = log($mincnt);
	$maxlog = log($maxcnt);
	$logrange = $maxlog == $minlog ? 1 : $maxlog - $minlog;
	arsort($cnt);
	foreach ($cnt as $tag => $count) {
		$size = $minfont + $fontrange * (log($count) - $minlog) / $logrange;
		$out[] = '<a style="font-size:'.(int) $size.'%" href="'.sb_get_tag_link($tag, FALSE).'">'.$tag.'</a>';
	}
	echo implode(' ', $out);
}