function FormatNotesControl(AllowInsert, AllowEdit)
{
var notescontrol = document.getElementById('notescontrol');
if (notescontrol == null)
return;
var url = notescontrol.src;
if (!AllowInsert)
url = url.replace("EnableInsert=true", "EnableInsert=false");
if (!AllowEdit)
url = url.replace("EnableInlineEdit=true", "EnableInlineEdit=false");
notescontrol.src = url;
}
function DisableNotesInsert()
{
FormatNotesControl(false, true);
}
Copy script, insert it to webresource, add this webresource to required form and call it during onload/onchange of form. And you should not forget that this script is unsupported because it uses document object and it's methods.