function planwindowzu()
{
window.close()
}


function planwindowkontaktformular()
{
window.open("kontakt/kontaktformular.html","kon","height=430,width=400,left=80,top=0")
}

function impressum()
{
window.open("impressum/impressum.html","impressum","height=580,width=400,left=80,top=0 scrollbars=yes")
}