function tabSwitch(new_tab, new_content) {
    
    document.getElementById('info').style.display = 'none';
    document.getElementById('history').style.display = 'none';
    document.getElementById('reviews').style.display = 'none';
    document.getElementById('local').style.display = 'none';
    document.getElementById(new_content).style.display = 'block';
    
    document.getElementById('tab_1').className = '';
    document.getElementById('tab_2').className = '';
    document.getElementById('tab_3').className = '';
    document.getElementById('tab_4').className = '';
    document.getElementById(new_tab).className = 'active';
}