
	{start: new Date(2015, 8, 4), end: new Date(2015, 8, 6), group:"GP2", className:"openwheel", content:"Monza, Italy",id:"10@gp2series.com"},
	{start: new Date(2015, 9, 9), end: new Date(2015, 9, 11), group:"GP2", className:"openwheel", content:"Sochi, Russia",id:"11@gp2series.com"},
	{start: new Date(2015, 10, 27), end: new Date(2015, 10, 29), group:"GP2", className:"openwheel", content:"Yas Marina, UAE",id:"12@gp2series.com"},
  ])

 
  // create visualization
  var container = document.getElementById('vi