         .attr("text-anchor", "end")
 
       $('rect.carrier').qtip
-        content: -> $(this).attr('title')
+        content: -> $(this).attr('data-tooltip')
         show:
           event: 'mouseover' # silly IE
         hide:

    label: => @get('label') || @get('gquery')
    key:   => "#{@get 'carrier'}_#{@get 'sector'}"
    tooltip_text: =>
      "#{@get 'carrier'} #{@get 'sector'}<br/>#{parseInt @val()}PJ"

  NodeGroup: class extends Backbone.Model
      initialize: ->

          offsets[d.get 'sector'] += d.val() / d.sector.total_value() * @height
          old
        ).
        attr("data-tooltip", (d) -> d.tooltip_text())

class D3.mekko.GroupCollection extends Backbone.Collection
  model: D3.mekko.NodeGroup
