$(document).ready(function() {
        $("#timezone_submit").hide();
        $("#choose-timezone select").css("width","auto");
        
        // ...yup browser-specific CSS through javascript...
        if ( $.browser.msie ) {
            $("#choose-timezone").css("width","205px");
        }
        else {
            $("#choose-timezone").css("width","auto");
        }

        // handle timezone autosubmit
        $("#timezone_id").change(function(){
            
            this.form.submit();
        });        
    });