function textDisplay (text) {
    text_alt = new Objekt(text_open);
    text_neu = new Objekt(text);
    
    text_alt.style.display = "none";
    text_neu.style.display = "block";
    
    text_open = text;
}

function Objekt(name) {
    if (document.getElementById) {
        this.style = document.getElementById(name).style;
    } else if (document.all) {
        this.style = document.all[name].style;
    }
}