//
                //  In my case I want to load them onload, this is how you do it!
                // 
                Event.observe(window, 'load', loadAccordions, false);
        
                //
                //        Set up all accordions
                //
                function loadAccordions() {
                        var topAccordion = new accordion('horizontal_container', {
                                classNames : {
                                        toggle : 'horizontal_accordion_toggle',
                                        toggleActive : 'horizontal_accordion_toggle_active',
                                        content : 'horizontal_accordion_content'
                                },
                                defaultSize : {
                                        width : 525
                                },
                                direction : 'horizontal'
                        });
                        
                        var bottomAccordion = new accordion('vertical_container');
                        
                        var nestedVerticalAccordion = new accordion('vertical_nested_container', {
                          classNames : {
                                        toggle : 'vertical_accordion_toggle',
                                        toggleActive : 'vertical_accordion_toggle_active',
                                        content : 'vertical_accordion_content'
                                }
                        });
                        
                        // Open first one
                        bottomAccordion.activate($$('#vertical_container .accordion_toggle')[1000]);
                        
                        // Open second one
                        topAccordion.activate($$('#horizontal_container .horizontal_accordion_toggle')[2]);
                }