function expandCollapseCategory(link) {
    var parentDiv = jQuery(link).parents('div:first');
    if (parentDiv.attr('class') == 'expanded')
        parentDiv.attr('class','collapsed');
    else
        parentDiv.attr('class', 'expanded');
    return false;
}

function collapseSecondCategory() {
    var secondaryDivs = jQuery('div.accordionContainer div');
    secondaryDivs.attr('class','collapsed');
    return false;
}

jQuery(document).ready(function(){
    // collapse all secondary categories
    collapseSecondCategory();
});