Index: simple_grid.js
===================================================================
--- simple_grid.js	(revision 13756)
+++ simple_grid.js	(working copy)
@@ -125,6 +125,8 @@
 	var $js_mask = this.getControl('js_mask').value;
 	var result_js = $js_mask.replace(/#NUMBER#/g, new_item_number);
 	eval(result_js);
+
+	this.updateTotals();
 }
 
 SimpleGrid.prototype.removeRecord = function ($number) {
@@ -142,3 +144,15 @@
 SimpleGrid.prototype.processRecordDependancies = function ($id) {
 	// prototype
 }
+
+SimpleGrid.prototype.each = function($callback) {
+	var $result = null;
+
+	for (var $i = 0; $i < this.ItemIDs.length; $i++) {
+		$result = $callback.call(this, this.ItemIDs[$i]);
+
+		if ($result === false) {
+			break;
+		}
+	}
+}
\ No newline at end of file