diff --git a/xls2crud.py b/xls2crud.py
index 60f7267..84c159e 100644
--- a/xls2crud.py
+++ b/xls2crud.py
@@ -49,28 +49,26 @@ def subtable2toolbar(desc):
 			"icon":"{{entire_url('/imgs/" + st.subtable + ".svg')}}",
 			"label": st.title
 		})
-		binds.append({
+		var bind = {
 			"wid":"self",
 			"event":st.subtable,
 			"actiontype": "urlwidget",
 			"target":"PopupWindow",
-			"params_mapping":{
-				"mapping":{
-					"id": st.field
-				},
-				"need_others": False
-			},
 			"popup_options":{
 				"resizable": True,
 				"height":"70%",
 				"width":"70%"
 			},
 			"options":{
-				"methid":"POST",
+				"method":"POST",
 				"params":{},
 				"url":st.url or "{{entire_url('../" + st.subtable + "')}}"
 			}
-		})
+		};
+		if (st.params_mapping){
+			bind.params_mapping = st.params_mapping;
+		}
+		binds.append(bind);
 	
 	desc.toolbar.tools = tools
 	desc.binds = binds