function showHideContent(header,num) {
    currentUl = document.getElementById(num);
    if (currentUl.style.display == 'none') {
        currentUl.style.display = '';
        header.className = 'header-toggle header-toggle-open';
    }
    else {
        currentUl.style.display = 'none';
        header.className = 'header-toggle header-toggle-close';
    }
}