       width: "#{width}px"
       left:  "#{left}px"
       background: color
-    bar.tipsy gravity: 'n'
+    bar.tipsy gravity: $.fn.tipsy.autoNS
     @el.append bar
 
   # Map a time offset value to a horizontal pixel offset.


  span = $('<span>', {'class': 'peek-tooltip', title: 'Total navigation time for this page.'})
    .text(PerformanceBar.formatTime(bar.total()))
  span.tipsy({ gravity: 'n' })
  updateStatus span




    span = $('<span>', {'class': 'peek-tooltip', title: "#{tech} navigation time"})
      .text(PerformanceBar.formatTime(total))
    span.tipsy gravity: $.fn.tipsy.autoNS
    updateStatus span

    ajaxStart = null
