www

commit 94b7c4243b8861ff965250d8074fee46aae76216
parent 90af9db319306d4e73e4a84de42aaf41a5403478
Author: Davide P. Cervone <dpvc@union.edu>
Date:   Mon, 26 Jan 2015 15:19:18 -0500

Don't set overlay W/H if it has already been removed (IE8).

Diffstat:
M
unpacked/extensions/MathZoom.js
 | 
1
+

1 file changed, 1 insertion(+), 0 deletions(-)
diff --git a/unpacked/extensions/MathZoom.js b/unpacked/extensions/MathZoom.js
@@ -251,6 +251,7 @@
     },
     SetWH: function () {
       var overlay = document.getElementById("MathJax_ZoomOverlay");
+      if (!overlay) return;
       overlay.style.display = "none"; // so scrollWidth/Height will be right below
       var doc = overlay.scroll_parent || document.documentElement || document.body;
       overlay.style.width = doc.scrollWidth + "px";