I am using the following statement to make it readonly but it is not working.
$(\'#cf_1268591\').attr(\"readonly\", \"readonly\");
I don\
There is no such thing as a read-only drop-down. What you could do is reset it to the first value manually after each change.
$("select").change(function(event) { $(this).val($(this).find("option").first().val()); });
http://jsfiddle.net/4aHcD/