jQuery(function() {
    jQuery('#previous_priorities').hide();
});

function toggle_display_prev_priorities()
{
    jQuery('#previous_priorities').toggle();

    if (jQuery('#show_hide_prev_priorities').html() == '[+] click to show') {
        jQuery('#show_hide_prev_priorities').html('[-] click to hide');
    }
    else {
        jQuery('#show_hide_prev_priorities').html('[+] click to show');
    }

}