Added custom scroll bars and separated the table header from the tables for Sales and the Graphs tables.

imports/util/polyfills/array.js

@@ -100,7 +100,7 @@ if(!Array.prototype.partialSort) {
 			sorted.sort(compareFunction);
 			
 			//Put the sorted array elements back into the array.
-			for(let i = index, j = 0; i <= length; i++, j++) {
+			for(let i = index, j = 0; j < length; i++, j++) {
 				this[i] = sorted[j];
 			}
 		}