1 files changed, 30 insertions, 8 deletions
diff --git a/lib/gallery.common.js b/lib/gallery.common.js
index b1160e31..3a4d3c0a 100644
--- a/lib/gallery.common.js
+++ b/lib/gallery.common.js
@@ -55,20 +55,42 @@
 
   /**
    * Reduce the width of an image if it's wider than its parent container
-   * @param elementID The image's container
+   * @param elementID The image container's ID
    */
   $.fn.gallery_fit_image = function() {
-    var photo = $(this).find("img").filter(function() {
-      return this.id.match(/gPhotoId-\d+/);
-    });
-    var cont_width = $(this).width();
+    var container_width = $(this).width();
+    var photo = $(this).gallery_get_photo();
     var photo_width = photo.width();
-    if (cont_width < photo_width) {
-      var proportion = cont_width / photo_width;
-      photo.width(cont_width);
+    if (container_width < photo_width) {
+      var proportion = container_width / photo_width;
+      photo.width(container_width);
       photo.height(proportion * photo.height());
     }
   };
 
+  /**
+   * Get a thumbnail or resize photo within a container
+   * @param elementID The image container's ID
+   * @return object
+   */
+  $.fn.gallery_get_photo = function() {
+    var photo = $(this).find("img").filter(function() {
+      return this.id.match(/gPhotoId-\d+/);
+    });
+    return photo;
+  }
+
+  /**
+   * Get the sum of an element's height, margin-top, and margin-bottom
+   * @param elementID the element's ID
+   * @return int
+   */
+  $.fn.gallery_height = function() {
+    var ht = $(this).height();
+    var mt = $(this).css("margin-top").replace("px","");
+    var mb = $(this).css("margin-bottom").replace("px","");
+    return ht + parseInt(mt) + parseInt(mb);
+  };
+
 })(jQuery);