function showDown(t,i,c,s){hilfefensterShow();doRequest('../ajax/down.php','t='+t+'&i='+i+'&c='+c+'&s='+s);}
function closeDown(){document.getElementById('down').style.display='none';}
function hilfefensterShow(){var wartediv=document.getElementById('down');wartediv.style.display='block';}