Ad banner close complete,need validation

app/models/ad_banner.rb

@@ -18,6 +18,13 @@ class AdBanner
   
   FX_TYPES = ["blindX","blindY","blindZ","cover","curtainX","curtainY","fade","fadeZoom","growX","growY","scrollUp","scrollDown","scrollLeft","scrollRight","scrollHorz","scrollVert","shuffle","slideX","slideY","toss","turnUp","turnDown","turnLeft","turnRight","uncover","wipe","zoom"]
   
+  def display?
+    if (self.post_date <= Date.today && (self.unpost_date.nil? || self.unpost_date>= Date.today))     
+      return true
+    end
+      return false
+  end
+  
   def new_ad_images=(*attrs)
      attrs[0].each  do |attr|   #Loop by JSs,Themes,Imgs
        unless attr[:file].nil?

app/models/ad_image.rb

@@ -7,10 +7,23 @@ class AdImage
   field :time_to_next #Weight
   field :picture_intro
   field :out_link
+  field :link_open
   
   field :to_save, :type => Boolean
   field :to_destroy, :type => Boolean
   
+  LINK_OPEN_TYPES = ["new_window","local"]
+  
+  
   embedded_in :ad_banner
 
+  def get_delay_time
+    time = ''
+    if self.time_to_next.nil?
+      time = '1000'
+    else
+      time = (self.time_to_next.to_i * 1000).to_s
+    end
+    time
+  end
 end