//    HTML CODE
//    -----------------------------------
//    <div class="tab tab-main-menu">
//        <button class="tablinks active" onclick="openTab(event, 'Casa')">Casa</button>
//        <button class="tablinks" onclick="openTab(event, 'Empresa')">Empresa</button>
//    </div>
//    <div id="Casa" class="tabcontent" style="display: block;"></div>
//    <div id="Empresa" class="tabcontent"></div>


function openTab(evt, tabName) {
    var i, tabcontent, tablinks;
    tabcontent = document.getElementsByClassName("tabcontent");
    for (i = 0; i < tabcontent.length; i++) {
        tabcontent[i].style.display = "none";
    }
    tablinks = document.getElementsByClassName("tablinks");
    for (i = 0; i < tablinks.length; i++) {
        tablinks[i].className = tablinks[i].className.replace(" active", "");
    }
    document.getElementById(tabName).style.display = "block";
    evt.currentTarget.className += " active";
}