7c025714437686f0eebdf9d4f3fb6ebb79eb3d28
braney
  Mon Mar 4 10:48:50 2013 -0800
support drag-select in ideogram even if it has only one bar (#10285)
diff --git src/hg/js/hgTracks.js src/hg/js/hgTracks.js
index 24c453c..e138b69 100644
--- src/hg/js/hgTracks.js
+++ src/hg/js/hgTracks.js
@@ -3072,31 +3072,31 @@
 
         // Retrieve tracks via AJAX that may take too long to draw initialliy (i.e. a remote bigWig)
         var retrievables = $('#imgTbl').find("tr.mustRetrieve")
         if($(retrievables).length > 0) {
             $(retrievables).each( function (i) {
                 var trackName = $(this).attr('id').substring(3);
                 imageV2.requestImgUpdate(trackName,"","");
             });
         }
         imageV2.loadRemoteTracks();
         makeItemsByDrag.load();
     }
 
     // Drag select in chromIdeogram
     if($('img#chrom').length == 1) {
-        if($('area.cytoBand').length > 1) {
+        if($('area.cytoBand').length >= 1) {
             $('img#chrom').chromDrag();
         }
     }
 
     // Track search uses tabs
     trackSearch.init();
 
     // Drag select initialize
     if (imageV2.enabled) {   // moved from window.load().
         dragSelect.load(true);
 
         if($('#hgTrackUiDialog'))
             $('#hgTrackUiDialog').hide();
 
         // Don't load contextMenu if jquery.contextmenu.js hasn't been loaded