jQuery(document).ready(function() {
    $('.accordion .accordion_head .accordion_link').click(function() {
        $(this).parent('.accordion_head').next().toggle('slow');
        return false;
    }).parent('.accordion_head').next().hide();


    // loop thru all .accordion_head and open them all
    $('.accordion .accordion_openall').click(function() {


        $(this).parent('.accordion').children('.accordion_head').next().show('slow');

        return false;

    });

    // loop thru all .accordion_head and open them all
    $('.accordion .accordion_closeall').click(function() {

        $(this).parent('.accordion').children('.accordion_head').next().hide('slow');

        return false;

    });

});