js tweak - use var for local variable; skip processing if not to be found

diff --git a/skins/common/mwsuggest.js b/skins/common/mwsuggest.js
index a655080..468dee1 100644 (file)
--- a/skins/common/mwsuggest.js
+++ b/skins/common/mwsuggest.js
@@ -515,8 +515,9 @@ function os_eventKeypress(e){
 /** Catch the key code (Firefox bug)  */
 function os_eventKeydown(e){
        if (!e) var e = window.event;
-       if (e.target) targ = e.target;
-       else if (e.srcElement) targ = e.srcElement;
+       if (e.target) var targ = e.target;
+       else if (e.srcElement) var targ = e.srcElement;
+       else return;
        var r = os_map[targ.id];
        if(r == null)
                return; // not our event