function equalHeight(group) {
	tallest = 0;
	group.each(function() {
		thisHeight = $(this).height();
		if(thisHeight > tallest) {
			tallest = thisHeight;
		}
	});
	group.height(tallest);
}

jQuery.fn.accordion = function(options) {
    // 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').click(function() {
            var current = jQuery(this.parentNode).find('dd:visible');
            var next = jQuery(this).find('+dd');
            if (current[0] != next[0]) {
                current.slideUp(SLIDE_UP_SPEED);
            } 
            if (next.is(':visible')) {
                next.slideUp(SLIDE_UP_SPEED);
            } else {
                next.slideDown(SLIDE_DOWN_SPEED);
            }
        });
        if (!startClosed) {
            jQuery(this).find('dd:eq(' + on + ')').slideDown(SLIDE_DOWN_SPEED);
        }
    });
};