[taxes and charges] refactor

erpnext/public/js/utils.js

@@ -57,13 +57,15 @@ $.extend(erpnext, {
 		}
 	},
 
-	setup_serial_no: function(grid_row) {
+	setup_serial_no: function() {
+		var grid_row = cur_frm.open_grid_row();
+
 		if(!grid_row.fields_dict.serial_no ||
 			grid_row.fields_dict.serial_no.get_status()!=="Write") return;
 
 		var $btn = $('<button class="btn btn-sm btn-default">'+__("Add Serial No")+'</button>')
 			.appendTo($("<div>")
-				.css({"margin-bottom": "10px", "margin-left": "15px"})
+				.css({"margin-bottom": "10px", "margin-top": "10px"})
 				.appendTo(grid_row.fields_dict.serial_no.$wrapper));
 
 		$btn.on("click", function() {
@@ -99,7 +101,7 @@ $.extend(erpnext, {
 			d.show();
 		});
 	},
-	
+
 	get_letter_head: function(company) {
 		frappe.call({
 			type:"GET",
@@ -112,7 +114,7 @@ $.extend(erpnext, {
 			}
 		});
 	},
-	
+
 });