4477a31918b15e0e1a094c0838629f35d83f8470
larrym
  Mon Jul 12 14:03:22 2010 -0700
fix 'trackDbJson' is undefined' message reported by mary
diff --git src/hg/js/hgTracks.js src/hg/js/hgTracks.js
index 63a021e..b7cb72b 100644
--- src/hg/js/hgTracks.js
+++ src/hg/js/hgTracks.js
@@ -1245,6 +1245,7 @@
         $('#nameSearch').keydown(searchKeydown);
     }
 
+    if(typeof(trackDbJson) != "undefined" && trackDbJson != null) {
     for (var id in trackDbJson) {
         var rec = trackDbJson[id];
         if(rec.type == "remote") {
@@ -1259,6 +1260,7 @@
             }
         }
     }
+    }
 });
 
 function rulerModeToggle (ele)