var weight = 0;
var minutes = 0;
var total = 0;
var burn = 0;

function figure(fast, heavy) {	
var c	
	if (fast == "8")  
c = heavy * .0295;


if (fast == "10")  
c = heavy * .0355;


if (fast == "12")  
c = heavy * .0426;


if (fast == "14")  
c = heavy * .0512;


if (fast == "15")  
c = heavy * .0561;


if (fast == "16")  
c = heavy * .0615;


if (fast == "17")  
c = heavy * .0675;


if (fast == "18")  
c = heavy * .0740;


if (fast == "19")  
c = heavy * .0811;


if (fast == "20")  
c = heavy * .0891;


if (fast == "21")  
c = heavy * .0975;


if (fast == "23")  
c = heavy * .1173;


if (fast == "25")  
c = heavy * .1411;

return c;
}