Adds a large majority of error check for edit transactions.

1). Adds more to css
2). Changes $transaction_id to transaction_id in *js
3). Shortens some selectors
4). Adds additional error spans
5). A few checks need bug fixes (check_number, payment_types)

css/transactions.css

@@ -66,8 +66,8 @@ input[value=Save]:focus, input[value=Close]:focus {
 #current_shop, #date_error,
 #transaction_start_error, 
 #sold_by_error, #sold_to_error, 
-#description_error, 
+#description_error, #check_number_error, 
 #payment_error, #payment_type_error,
-#quantity_error {
+#quantity_error, #anonymous_error {
 	color: red;
 }