Ticket #5017: head.diff

jquery/src/ajax.js

@@ -250 +250 @@
                 if ( s.dataType == "script" && type == "GET" && parts
                         && ( parts[1] && parts[1] != location.protocol || parts[2] != location.host )){
 
-                        var head = document.getElementsByTagName("head")[0];
+                        var head = document.getElementsByTagName("head")[0] || document.documentElement,
                         var script = document.createElement("script");
                         script.src = s.url;
                         if (s.scriptCharset)