6c3389d97b58ad04533a072efa1858dcadcf00e1
max
  Thu Jun 1 09:22:08 2017 -0700
allowing default gene and removing assembly if not known, refs #13634

diff --git src/hg/pyLib/hgLib.py src/hg/pyLib/hgLib.py
index d61fd16..c26511e 100644
--- src/hg/pyLib/hgLib.py
+++ src/hg/pyLib/hgLib.py
@@ -149,43 +149,48 @@
 
     print ("<noscript><div class='noscript'><div class='noscript-inner'><p><b>JavaScript is disabled in your web browser</b></p>")
     print ("<p>You must have JavaScript enabled in your web browser to use the Genome Browser</p></div></div></noscript>\n")
 
     menuPath = "../htdocs/inc/globalNavBar.inc"
     navBarStr = open(menuPath, "r").read()
     print (navBarStr)
 
     # fixup old menubar, copied from hgGtexTrackSettings, for now
     print("<link rel='stylesheet' href='../style/gbAfterMenu.css' type='text/css'>")
     print("<link rel='stylesheet' href='../style/gb.css'>")
     print("<link rel='stylesheet' href='../style/hgGtexTrackSettings.css'>")
 
     print("<div class='container-fluid'>")
 
-def printHgcHeader(assembly, shortLabel, longLabel, addGoButton=True, infoUrl="#INFO_SECTION"):
+def printHgcHeader(assembly, shortLabel, longLabel, addGoButton=True, infoUrl="#INFO_SECTION", infoMouseOver="Jump to the track description"):
     " copied from hgGtexTrackSettings, uses bootstrap styling "
     #print("<form action='../cgi-bin/hgTracks' name='MAIN_FORM' method=POST>")
 
     print("<a name='TRACK_TOP'></a>")
     print("<div class='row gbTrackTitleBanner'>")
     print("<div class='col-md-10'>")
+
+    if assembly is not None:
         print("<span class='gbTrackName'>")
         print(shortLabel)
         print("<span class='gbAssembly'>%s</span>" % assembly)
         print("</span>")
+
     print("<span class='gbTrackTitle'>%s</span>" % longLabel)
-    print("<a href='%s' title='Jump to the track description'>" % infoUrl)
+
+    print("<a href='%s' title='%s'>" % (infoUrl, infoMouseOver))
+
     print("<span class='gbIconSmall fa-stack'>")
     print("<i class='gbBlueDarkColor fa fa-circle fa-stack-2x'></i>")
     print("<i class='gbWhiteColor fa fa-info fa-stack-1x'></i>")
     print("</span></a>")
     print("</div>")
     if addGoButton:
         print("<div class='col-md-2 text-right'>")
         print("<div class='gbButtonGoContainer' title='Go to the Genome Browser'>")
         print("<div class='gbButtonGo'>GO</div>")
         print("<i class='gbIconGo fa fa-play fa-2x'></i>")
         print("</div>")
         print("</div>")
     print("</div>")
 
     print("<!-- Track Configuration Panels -->")