diff --git a/APPL/CNT/cnt_split.asp b/APPL/CNT/cnt_split.asp
index 314ab6adef..c935549ca1 100644
--- a/APPL/CNT/cnt_split.asp
+++ b/APPL/CNT/cnt_split.asp
@@ -137,7 +137,7 @@ var kosten = oRs("kosten").value;
 %>
     </form>
 <%
-    CreateButtons([ { title: L("lcl_res_duplicate"), action: "cnt_split_submit()", singlepress: true },
+    CreateButtons([ { title: L("lcl_submit"), action: "cnt_split_submit()" },
                     { title: L("lcl_cancel"), action: "FcltMgr.closeDetail(window, { cancel: true })"} ]);
 %>
   </body>
diff --git a/APPL/INS/ins_bitsform.asp b/APPL/INS/ins_bitsform.asp
index 108d583bee..30936b5a32 100644
--- a/APPL/INS/ins_bitsform.asp
+++ b/APPL/INS/ins_bitsform.asp
@@ -227,7 +227,7 @@ var bits = getQParamInt("bits", 0); // Inspectie bits
       BLOCK_END();
 
       var buttons =  [];
-      buttons.push({title: L("lcl_select"), action:"ins_submit()", singlepress: true})
+      buttons.push({title: L("lcl_select"), action:"ins_submit()"})
       buttons.push({title: L("lcl_cancel"),  action:"ins_cancel()"})
       CreateButtons(buttons)
       IFACE.FORM_END();
diff --git a/APPL/INS/ins_xcp.asp b/APPL/INS/ins_xcp.asp
index f88af37551..d2ce68bdeb 100644
--- a/APPL/INS/ins_xcp.asp
+++ b/APPL/INS/ins_xcp.asp
@@ -540,7 +540,7 @@ user.anything_todo_or_abort(this_ins.canChangeInt);
       BLOCK_END();
 
       var buttons =  [];
-      buttons.push({title: L("lcl_submit"), action:"ins_submit()", singlepress: true})
+      buttons.push({title: L("lcl_submit"), action:"ins_submit()"})
       buttons.push({title: L("lcl_delete"), action:"ins_delete()"})
       buttons.push({title: L("lcl_cancel"),  action:"ins_cancel()"})
       CreateButtons(buttons)
diff --git a/APPL/Localscripts/iface.js b/APPL/Localscripts/iface.js
index 641f8773a7..48297ab306 100644
--- a/APPL/Localscripts/iface.js
+++ b/APPL/Localscripts/iface.js
@@ -70,6 +70,8 @@ var iface =
         {
             if (typeof btn == "object")
                 btn = btn.id;
+            if (!btn)
+                alert("For button.disable it shoud have an id");
             // Kan ondertussen dubbel aanwezig zijn doordat we knoppen onderin frame herhalen
             // Een selectie via $("." + btn") werkt niet omdat jQuery dan alleen de eerste id ophaalt
             var $btn = $("li[id=" + btn + "]");