diff --git a/unittest-logs/unittestweb/viewer/views.py b/unittest-logs/unittestweb/viewer/views.py
index d1e8632..e3079ba 100755
--- a/unittest-logs/unittestweb/viewer/views.py
+++ b/unittest-logs/unittestweb/viewer/views.py
@@ -89,19 +89,23 @@ def failswindow(request):
   period=request.GET['window']
   m = re.match("(\d+)([ymwdh])", period)
   failures = get_fails_in_timerange(period)
-  if m.group(2) == 'd':
-    prd='days'
-  elif m.group(2) == 'h':
-    prd = 'hours'
-  elif m.group(2) == 'w':
-    prd = 'weeks'
-  elif m.group(2) == 'm':
-    prd = 'months'
-  elif m.group(2) == 'y':
-    prd = 'years'
+  if request.GET.has_key('json'):
+    jtext = list(failures)
+    return HttpResponse(json.dumps(jtext))
   else:
-    prd = 'days'
-  
+    if m.group(2) == 'd':
+      prd='days'
+    elif m.group(2) == 'h':
+      prd = 'hours'
+    elif m.group(2) == 'w':
+      prd = 'weeks'
+    elif m.group(2) == 'm':
+      prd = 'months'
+    elif m.group(2) == 'y':
+      prd = 'years'
+    else:
+      prd = 'days'
+    
+      
+    return render_to_response('viewer/failswindow.html', {'failures': failures,'n':m.group(1),'d':prd})
     
-  return render_to_response('viewer/failswindow.html', {'failures': failures,'n':m.group(1),'d':prd})
-