function showItem(id){
    //window.alert(id);
    versteckItems();
    document.getElementById(id).style.display = "block";
    newImage = "url(cms/images/ajaxbox-hover.png)";
    
    switch (id) {
    case "element1":versteckMenuItems(); 
                   newImage = "url(cms/images/ajaxbox-hover-first.png)";
                   document.getElementById('eeins').style.backgroundImage = newImage; 
                   break;
 
    case "element2": versteckMenuItems();
                     document.getElementById('ezwei').style.backgroundImage = newImage;
                     break;
 
    case "element3": versteckMenuItems();
                     document.getElementById('edrei').style.backgroundImage = newImage;
                     break;
 
    case "element4": versteckMenuItems();
                        document.getElementById('evier').style.backgroundImage = newImage;
                       break;
 
    case "element5": versteckMenuItems();
                    document.getElementById('efuenf').style.backgroundImage = newImage;
                    break;
                    
    case "element6": versteckMenuItems();
                    document.getElementById('esechs').style.backgroundImage = newImage;
                    break;
 
    default: ; 
  }

}
function versteckItems(){
    document.getElementById('element1').style.display = "none";
    document.getElementById('element2').style.display = "none";
    document.getElementById('element3').style.display = "none";
    document.getElementById('element4').style.display = "none";
    document.getElementById('element5').style.display = "none";
    document.getElementById('element6').style.display = "none";
}
function versteckMenuItems(){
    document.getElementById('firste').style.backgroundImage = "none";
    document.getElementById('eeins').style.backgroundImage = "none";
    document.getElementById('ezwei').style.backgroundImage = "none";
    document.getElementById('edrei').style.backgroundImage = "none";
    document.getElementById('evier').style.backgroundImage = "none";
    document.getElementById('efuenf').style.backgroundImage = "none";
    document.getElementById('esechs').style.backgroundImage = "none";
}