56a7273c583fc9e4086919faa7cb2a5f29657bce
tdreszer
  Mon Oct 25 13:56:00 2010 -0700
Made bg image of blue guidelines a reusable file so browsers can cache it.  Made trackSearch dependent upon advanced javascript features.
diff --git src/hg/hgTracks/searchTracks.c src/hg/hgTracks/searchTracks.c
index 8f48df0..4b8cdef 100644
--- src/hg/hgTracks/searchTracks.c
+++ src/hg/hgTracks/searchTracks.c
@@ -745,6 +745,11 @@
 
 void doSearchTracks(struct group *groupList)
 {
+if (!advancedJavascriptFeaturesEnabled(cart))
+    {
+    warn("Requires advanced javascript features.");
+    return;
+    }
 struct group *group;
 char *groups[128];
 char *labels[128];