function toggle(show, hide) {
    var divtoshow = document.getElementById(show);
    var divtohide = document.getElementById(hide);

    divtoshow.style.display = 'block';
    divtohide.style.display = 'none';
}

function toggle_div(id, action) {
    var div = document.getElementById(id);

    if (action == 'show') {
        div.style.display = 'block';
    }
    else {
        div.style.display = 'none';
    }

}