Change the id for class

Signed-off-by: Eric Poirier <eric.poirier@eclipse-foundation.org>

js/solstice/eclipsefdn.promotion.js

@@ -40,10 +40,10 @@ $(function () {
               if ($(element).attr('data-ad-format').includes(data[i].format) && url && campaignName && image) {
                 $(element).append(
                   '<p class="featured-story-description text-center">Sponsored Ad</p>' +
-                  '<a href="' + url + '" rel="nofollow"><img alt="' + campaignName + '" src="' + image +'" id="'+ campaignName +'"></a>' +
+                  '<a href="' + url + '" rel="nofollow"><img alt="' + campaignName + '" src="' + image +'" class="'+ campaignName +'"></a>' +
                   '<p class="featured-story-description text-center"><a href="https://eclipse-5413615.hs-sites.com/ad-prospectus-form" style="float:none">Advertise Here</a></p>'
                 );
-                $("#" + campaignName).on('load', function(){
+                $("." + campaignName).on('load', function(){
                   $.fn.matchHeight._update();
                 });
               }
@@ -57,6 +57,4 @@ $(function () {
       },
     });
   }
-
-
 });