{
  "title":{
    "text":  "Floating bars, -10 to 10",
    "style": "{font-size: 20px; color:#0000ff; font-family: Verdana; text-align: center;}"
  },

  "y_legend":{
    "text": "Open Flash Chart",
    "style": "{color: #736AFF; font-size: 12px;}"
  },

  "elements":[
    {
      "type":      "bar",
      "alpha":     0.5,
      "colour":    "#9933CC",
      "text":      "Page views",
      "font-size": 10,
      "values" :   [9,9,5,7,{"top":4,"bottom":-4,"tip":"LOOK<br>#top#,#bottom# = #val#"},-9,{"top":4,"bottom":-5}]
    }
  ],

  "x_axis":{
    "labels": ["January","February","March","April","May","June","July"]
   },

  "y_axis":{
    "min": 10,
    "max": -10
  },

  "tooltip":{
    "text": "My Tip<br>#top#,#bottom# = #val#"
  }

}

