enable iframe for statistics

proportions.js.diff

diff --git a/lib/proportions.js b/lib/proportions.js
old mode 100644
new mode 100755
index fdad203..a4cd95a
--- a/lib/proportions.js
+++ b/lib/proportions.js
@@ -33,6 +33,15 @@ define(["chroma-js", "virtual-dom", "numeral-intl", "filters/genericnode" ],
         content = document.createElement("img")
         content.src = o.thumbnail
       }
+      else if (o.iframe)
+        if (o.iframe.url) {
+          content = document.createElement("iframe")
+          content.src = o.iframe.url
+          if (o.iframe.width && o.iframe.height) {
+            content.style.width = o.iframe.width
+            content.style.height = o.iframe.height
+          }
+        }
 
       if (o.caption) {
         caption = o.caption
@@ -47,12 +56,21 @@ define(["chroma-js", "virtual-dom", "numeral-intl", "filters/genericnode" ],
         var link = document.createElement("a")
         link.target = "_blank"
         link.href = o.href
-        link.appendChild(content)
 
-        if (caption && o.thumbnail)
-          link.title = caption
+        if (!o.iframe) {
+          link.appendChild(content)
 
-        p.appendChild(link)
+          if (caption && o.thumbnail)
+            link.title = caption
+
+          p.appendChild(link)
+        } else {
+          if (caption){
+            link.appendChild(document.createTextNode(caption))
+            p.appendChild(link)
+          }
+          p.appendChild(content)
+        }
       } else
         p.appendChild(content)