xxxxxxxxxx<html><head><title>Force Plus Append</title><script type="text/javascript" src="https://cdn.jsdelivr.net/npm/d3@2.7.5/d3.js"></script><script type="text/javascript" src="carto.js"></script><style type="text/css">.dclabel { font-family:Verdana, Geneva, sans-serif; font-weight:bold; letter-spacing:1.5px; color: #333; text-shadow: 1px 1px 2px grey, 0 0 1em white, 0 0 0.2em white;}.gratext { font-family:Verdana, Geneva, sans-serif; font-weight:bold; letter-spacing:2px;}.titletext { font-family:Georgia, "Times New Roman", Times, serif; font-size:1.2em; letter-spacing:2px; color:#900;}</style></head><body onload="cartogram();"><div><button type="button" onclick="runCarto(1)">No Distortion</button><button type="button" onclick="runCarto(2)">Roma</button><button type="button" onclick="runCarto(3)">Constantinopolis</button><button type="button" onclick="runCarto(4)">Londinium</button><button type="button" onclick="runCarto(5)">Antiochia</button></div><div><form action=""><input type="radio" name="rbcartopriority" value="cheapest" onclick="runCarto(6)" id="rb_cheapcarto" checked/> Cheapest<input type="radio" name="rbcartopriority" value="fastest" onclick="runCarto(6)" id="rb_fastcarto" /> Fastest</form><form action=""><input type="radio" name="rbcartomonth" onclick="runCarto(6)" id="rb_jancarto" checked/> Winter<input type="radio" name="rbcartomonth" onclick="runCarto(6)" id="rb_julcarto" /> Summer</form></div><div id="carto" height="700" width="960"></div></body></html> Modified http://mbostock.github.com/d3/d3.js?2.7.5 to a secure url
https://mbostock.github.com/d3/d3.js?2.7.5