Fix custom sectors colors

justgage.js

@@ -214,9 +214,11 @@ JustGage = function(config) {
     // number of digits after floating point
     decimals: kvLookup('decimals', config, dataset, 0),
 
-    // customSectors : [] of objects
-    // number of digits after floating point
-    customSectors: kvLookup('customSectors', config, dataset, []),
+    // customSectors : object
+    // custom sectors colors. Expects an object with props
+    // percents : bool hi/lo are percents values
+    // ranges : array of objects : {hi, lo, color}
+    customSectors: kvLookup('customSectors', config, dataset, {}),
 
     // formatNumber: boolean
     // formats numbers with commas where appropriate
@@ -1009,9 +1011,10 @@ function kvLookup(key, tablea, tableb, defval, datatype, delimiter) {
 function getColor(val, pct, col, noGradient, custSec) {
 
   var no, inc, colors, percentage, rval, gval, bval, lower, upper, range, rangePct, pctLower, pctUpper, color;
-  var noGradient = noGradient || custSec.length > 0;
+  var cust = custSec && custSec.ranges && custSec.ranges.length > 0;
+  var noGradient = noGradient || cust;
 
-  if (custSec.length > 0) {
+  if (cust) {
     if (custSec.percents === true) val = pct * 100;
     for (var i = 0; i < custSec.ranges.length; i++) {
       if (val >= custSec.ranges[i].lo && val <= custSec.ranges[i].hi) {