From 2a1f482e66d0c1325fc03fb69ebb1a1eb7f72dd2 Mon Sep 17 00:00:00 2001
From: ahodesuka <mxcole90@gmail.com>
Date: Tue, 17 Jan 2012 23:39:38 -0600
Subject: [PATCH] Fix scroll offset when contracting images

---
 4chan_x.user.js | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index 6f59cf6ff..71db82528 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -2960,7 +2960,7 @@
           _results2 = [];
           for (_j = 0, _len2 = _ref2.length; _j < _len2; _j++) {
             thumb = _ref2[_j];
-            _results2.push(imgExpand.contract(thumb));
+            _results2.push(imgExpand.contract(thumb, false));
           }
           return _results2;
         }
@@ -2994,13 +2994,23 @@
       var thumb;
       thumb = a.firstChild;
       if (thumb.hidden) {
-        return imgExpand.contract(thumb);
+        return imgExpand.contract(thumb, true);
       } else {
         return imgExpand.expand(thumb);
       }
     },
-    contract: function(thumb) {
+    contract: function(thumb, bScroll) {
       thumb.hidden = false;
+      if (bScroll) {
+        var el, top;
+        el = thumb.parentNode.parentNode;
+        top = el.offsetTop;
+        while (el.offsetParent) {
+          el = el.offsetParent;
+          top += el.offsetTop;
+        }
+        if (top < window.scrollY) window.scroll(window.scrollX, top);
+      }
       return $.rm(thumb.nextSibling);
     },
     expand: function(thumb, url) {
@@ -3021,7 +3031,7 @@
     error: function() {
       var req, src, thumb, url;
       thumb = this.previousSibling;
-      imgExpand.contract(thumb);
+      imgExpand.contract(thumb, true);
       src = this.src.split('/');
       if (url = redirect.image(src[3], src[5])) {
         return imgExpand.expand(thumb, url);