jQuery.fn.accordion = function(options) {
    var SLIDE_DOWN_SPEED = 'slow';
    var SLIDE_UP_SPEED = 'fast';
    var startClosed = options && options.start && options.start == 'closed';
    var on = options && options.on && (typeof options.on == 'number' && options.on > 0) ? options.on - 1 : 0;
    return this.each(function() {
        jQuery(this).addClass('accordion'); // use to activate styling
        jQuery(this).find('dd').hide();
        jQuery(this).find('dt').find('span').click(function() {
    
            jQuery(this.parentNode.parentNode).find('dt').removeClass('selected');
            jQuery(this.parentNode).addClass('selected');
            
            var current = jQuery(this.parentNode.parentNode).find('dd:visible');
            var next = jQuery(this.parentNode).find('+dd');
            if (current[0] != next[0]) {
                current.hide();
            } 
            if (next.is(':visible')) {
                next.slideUp(SLIDE_UP_SPEED);
            } else {
                next.slideDown(SLIDE_DOWN_SPEED);
            }
        });
        //if (!startClosed) {
        //    jQuery(this.parentNode).find('dd:eq(' + on + ')').slideDown(SLIDE_DOWN_SPEED);
        //}
    });
};
var    loadr = function() {
    $('#tree').accordion();
    $('#tree dd.open').slideDown('slow');
}
$(document).ready(loadr);