check if bad url *after* building the url

ppf.py

@@ -84,13 +84,13 @@ def extract_urls(html, url):
 		item = a['href'].encode('utf-8') if isinstance(a['href'], unicode) else a['href']
 		item = item.strip()
 
-		if is_bad_url(item):
-			continue
-		elif item.startswith('www.'):
+		if item.startswith('www.'):
 			item = 'http://%s' % item
 		elif not item.startswith('http'):
 			if not item.startswith('/'): item = '/%s' % item
 			item = '%s://%s%s' % (proto,domain,item)
+		elif is_bad_url(item):
+			continue
 
 		if not item in urls: urls.append(item)