<script type="text/javascript"> var data = [ [1973,1000,750,300,400,70,20], [1268,549,336,221,122,115], [1892,1282,250,32,18], [1832,379,254,314], [1171,256,120], [2533,340] ], // The initial date is the date displayed // in the first column of the first row initialDate = new Date(2012, 0), // DOM Element where the Cohort Chart will be inserted container = document.getElementById('main-example');