function MOver(element,seite)
{
 element.style.backgroundImage = "url('bilder/navi"+seite+"2.jpg')";
 element.style.color = "white";
 element.style.cursor = "pointer";
}

function MOut(element,seite)
{
 element.style.backgroundImage = "url('bilder/navi"+seite+"1.jpg')";
 element.style.color = "#003883";
 element.style.cursor = "default";
}