oecd keytable visualization

todo

• charts
  • provide three different sizes for embedding
  • OK url without arguments to point to first keytable
  • OK fix bug of series selection in country comparison chart
  • OK open credit link in top frame (not inside the iframe) - does highcharts hijack the click too?
  • OK sort variables in URL in ascending order (currently in selection order)
  • OK add overlay for embed code and button
  • OK add buttons to add/remove variables (years or countries)
  • OK provide real title in the title element of the chart pages
  • OK improve tooltips (no X value: and Y value:, but "country" and y-axis label)
• data table
  • display sort buttons
  • provide download csv button
• table list hierarchy
  • OK display number of leafs per category if non-null
  • OK selected table bold, underlined on hover
  • OK make links to tables clickable
  • three more tables
    • http://www.oecdilibrary.org/oecd/content/table/2074384x-table9 (Economics)
    • http://www.oecdilibrary.org/oecd/content/table/2074384x-table1 (Economics)
    • http://www.oecdilibrary.org/oecd/content/table/20758510-table1 (Taxation)
• data format
  • spec out the format that should be generated by the tog
• test
  • use DOCTYPE strict (or HTML5)
  • compatibility with IE7+ (mostly OK), FF3+ (OK), Chrome (OK), Safari (OK)