function panoramawahl ()
{
if(screen.width<1024){
document.getElementById("panorama").className = "klein";
document.getElementById("text").className = "kleinertext";
document.getElementById("portrait").className = "portraitklein";
} else if(screen.width>1024){
document.getElementById("panorama").className = "gross";
document.getElementById("text").className = "grossertext";
document.getElementById("portrait").className = "portraitgross";

}
}