Use protocol-relative link to door.sh, to avoid mixed content under SSL

diff --git a/office.mdwn b/office.mdwn
index d8c5fc34f03feb2ea424deff9f7bb991ecc8daa7..c56362988c2634cb17905dbb793bfdbcfee9ef21 100644 (file)
--- a/office.mdwn
+++ b/office.mdwn
@@ -1,6 +1,6 @@
 [[!meta title="The SIPB office"]]
 
-<img class="right" src="http://cesium.scripts.mit.edu/door/door.sh" />
+<img class="right" src="//cesium.scripts.mit.edu/door/door.sh" />
 
 <strong>
 W20-557<br/>