Fix annoucement preview image bug

app/views/shared/preview/_modal_preview.html.erb

@@ -13,13 +13,21 @@
   <div>
     <script type="text/javascript" src="/assets/kernel.js"></script>
     <script type="text/javascript">
+      var preview_img;
+
       $(function() {
         $("iframe").load(function() {
           // Get the body element
           var frameBody = $("iframe").contents().find('body');
           // Get all links inside the BODY tag
           $("iframe").contents().find('#orbit-bar').hide();
+
+          $('.thumbnail').each(function(){
+            if($(this).children('img').length) preview_img = $(this).children('img').attr('src');
+          });
           
+          InsertPreviewImage();
+
           frameBody.find('a').click(function(e){
             //Disable all default actions
             e.preventDefault();
@@ -30,6 +38,14 @@
           $("#show_preview").remove();
         });
       });
+
+      function InsertPreviewImage(){
+        if($("iframe").contents().find('.news_image').length){
+          $("iframe").contents().find('.news_image').append("<a href='' target='_blank'><img src='"+preview_img+"' width='320' height='240' /></a>");
+        }else{
+          setTimeout(InsertPreviewImage,1000);
+        }
+      }
     </script>
   </div>
 </div>