function calcindex(x) {
//s8 = s8r;
//delta=s8-p0;
//if (s8<p0) {s8=s8;} else {s8=delta/Math.pow((1+(delta/p0)),0.5)+p0;}
s9=s8/p0-1;
s8=Math.round(s8*100)/100;
s9=Math.round(s9*100*10)/10;

if (s9 <= -50) recoM = "str.sell";
else if ((s9 > -50) && (s9 <= -15)) recoM = "sell";
else if ((s9 > -15) && (s9 < 15)) recoM = "hold";
else if ((s9 >= 15) && (s9 < 50)) recoM = "buy";
else if (s9 >= 50) recoM = "str.buy";
else recoM = "n/a";

if (recoM == "str.sell") color = "#FF99CC";
else if (recoM == "sell") color = "#FFCCCC";
else if (recoM == "hold") color = "#F1F1F1";
else if (recoM == "buy") color = "#CCFFCC";
else if (recoM == "str.buy") color = "#99FF99";
else color = "#F1F1F1";
}