xxxxxxxxxx<html><head><title>Grid using d3.js</title><script type="text/javascript" src="https://cdn.jsdelivr.net/npm/d3@2.10.3/d3.v2.js"></script></head><body><div id="chart"></div><script type="text/javascript" src="grid.js"></script><script type="text/javascript"> calendarWeekHour('#chart', 900, 400, true);</script></body></html> Modified http://mbostock.github.com/d3/d3.v2.js to a secure url
https://mbostock.github.com/d3/d3.v2.js