diff --git a/src/common/check_for_new_version.py b/src/common/check_for_new_version.py
new file mode 100644
index 000000000..5eb74fba4
--- /dev/null
+++ b/src/common/check_for_new_version.py
@@ -0,0 +1,70 @@
+import gtk
+import gtk.glade
+
+from common import gajim
+from common import i18n
+
+_ = i18n._
+APP = i18n.APP
+gtk.glade.bindtextdomain(APP, i18n.DIR)
+gtk.glade.textdomain(APP)
+
+GTKGUI_GLADE='plugins/gtkgui/gtkgui.glade'
+
+class Check_for_new_version_dialog:
+	def __init__(self, plugin):
+		self.plugin = plugin
+		self.check_for_new_version()
+
+	def parse_glade(self):
+		xml = gtk.glade.XML(GTKGUI_GLADE, 'new_version_available_dialog', APP)
+		self.window = xml.get_widget('new_version_available_dialog')
+		self.information_label = xml.get_widget('information_label')
+		self.changes_textview = xml.get_widget('changes_textview')
+		xml.signal_autoconnect(self)
+
+	def on_new_version_available_dialog_delete_event(self, widget, event):
+		self.window.destroy()
+
+	def on_open_download_page_button_clicked(self, widget):
+		url = 'http://www.gajim.org/downloads.php?lang='
+		self.plugin.launch_browser_mailer('url', url)
+		self.window.destroy()
+
+	def check_for_new_version(self):
+		'''parse online Changelog to find out last version
+		and the changes for that latest version'''
+		check_for_new_version_available = True # Why that ?
+		if check_for_new_version_available:
+			import urllib
+
+			url = 'http://trac.gajim.org/file/trunk/Changelog?rev=latest&format=txt'
+			changelog = urllib.urlopen(url)
+			# format is Gajim version (date)
+			first_line = changelog.readline()
+			finish_version = first_line.find(' ', 6) # start search after 'Gajim'
+			latest_version = first_line[6:finish_version]
+			if latest_version > gajim.version:
+				start_date = finish_version + 2 # one space and one (
+				date = first_line[start_date:-2] # remove the last ) and \n
+				info = 'Gajim ' + latest_version + ' was released in ' + date + '!'
+				changes = ''
+				while True:
+					line = changelog.readline().lstrip()
+					if line.startswith('Gajim'):
+						break
+					else:
+						if line != '\n' or line !='': # line has some content
+							if not line.startswith('*'):
+								# the is not a new *real* line
+								# but a continuation from previous line.
+								# So remove \n from previous 'line' beforing adding it
+								changes = changes[:-1]
+
+							changes += line
+				
+				self.parse_glade()
+				self.information_label.set_text(info)
+				buf = self.changes_textview.get_buffer()
+				buf.set_text(changes)
+				self.window.show_all()