diff --git a/app/models/ad_image.rb b/app/models/ad_image.rb
index 869cf031..6508e2df 100644
--- a/app/models/ad_image.rb
+++ b/app/models/ad_image.rb
@@ -26,6 +26,9 @@ class AdImage
   # validates_format_of :out_link, with: /(http:\/\/.*|)/ ,:message => 'Need a valid URL'
   attr_reader :parse_post_date,:parse_unpost_date
 
+  before_validation :add_http
+  validates :out_link, :presence => true, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix
+
   def parse_post_date=(att)
     self.post_date = (Date.parse att.gsub(/\s+/, "") rescue nil)
   end
@@ -52,4 +55,12 @@ class AdImage
     end
     time
   end
+
+  protected
+
+  def add_http
+    unless self.out_link[/^http:\/\//] || self.out_link[/^https:\/\//]
+      self.out_link = 'http://' + self.out_link
+    end
+  end
 end
diff --git a/vendor/built_in_modules/announcement/app/models/bulletin_link.rb b/vendor/built_in_modules/announcement/app/models/bulletin_link.rb
index 47a44789..374ce5de 100644
--- a/vendor/built_in_modules/announcement/app/models/bulletin_link.rb
+++ b/vendor/built_in_modules/announcement/app/models/bulletin_link.rb
@@ -10,4 +10,16 @@ class BulletinLink
   
   # embedded_in :bulletin
   belongs_to :bulletin
+
+  before_validation :add_http
+  validates :url, :presence => true, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix
+
+  protected
+
+	def add_http
+	  unless self.url[/^http:\/\//] || self.url[/^https:\/\//]
+	    self.url = 'http://' + self.url
+	  end
+	end
+
 end
diff --git a/vendor/built_in_modules/news/app/models/news_bulletin_link.rb b/vendor/built_in_modules/news/app/models/news_bulletin_link.rb
index 0a793d27..6f48e19e 100644
--- a/vendor/built_in_modules/news/app/models/news_bulletin_link.rb
+++ b/vendor/built_in_modules/news/app/models/news_bulletin_link.rb
@@ -9,4 +9,15 @@ class NewsBulletinLink
   field :should_destroy, :type => Boolean
   
   belongs_to :news_bulletin
+  
+  before_validation :add_http
+  validates :url, :presence => true, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix
+
+  protected
+
+	def add_http
+	  unless self.url[/^http:\/\//] || self.url[/^https:\/\//]
+	    self.url = 'http://' + self.url
+	  end
+	end
 end
diff --git a/vendor/built_in_modules/web_resource/app/models/web_link.rb b/vendor/built_in_modules/web_resource/app/models/web_link.rb
index ada9acfe..52b1c6a7 100644
--- a/vendor/built_in_modules/web_resource/app/models/web_link.rb
+++ b/vendor/built_in_modules/web_resource/app/models/web_link.rb
@@ -26,6 +26,9 @@ class WebLink
 
   validates :title, :at_least_one => true
 
+  before_validation :add_http
+  validates :url, :presence => true, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix
+
   def self.search( category_id = nil )
   
 	if category_id.to_s.size > 0
@@ -64,5 +67,13 @@ class WebLink
       end
     end
   end
+
+  protected
+
+  def add_http
+    unless self.url[/^http:\/\//] || self.url[/^https:\/\//]
+      self.url = 'http://' + self.url
+    end
+  end
   
 end
\ No newline at end of file