jQuery(document).ready(function(){
    var orig_text = $('a#readmore').text();
    $('a#readmore').toggle(
        function(){
            $(this).text('collapse -');
            $('div#more-content').slideDown();
            return false;
        },
        function(){
            $(this).text(orig_text);
            $('div#more-content').slideUp();
            return false;
        }
    );     
});