compare deal with images leaving no json information

webroot/compare/compare.php

@@ -32,6 +32,10 @@ input[type=text] {
     background-color: #fff;
 }
 
+.json {
+    min-height: 100px;
+}
+
 .top {
     z-index: 10;
 }

webroot/js/cimage.js

@@ -60,7 +60,11 @@ window.CImage = (function(){
 
         $.getJSON(this.value + "&json", function(data) {
             json.innerHTML = "filename: " + data.filename + "\ncolors: " + data.colors + "\nsize: " + data.size + "\nwidth: " + data.width + "\nheigh: " + data.height + "\naspect-ratio: " + data.aspectRatio;
-        });
+        })
+            .fail(function() {
+                json.innerHTML = "Details not available."
+                console.log( "JSON error" );
+            });
 
         // Display image in overlay
         button.removeAttribute("disabled");