function setPTAuswahl(_i,_j,_form){
    var suchindex = "PT" + _i.toString() + _j.toString();  
    _form.selectedIndex.value = suchindex;  
    _form.submit();
    return;
}
function setPWAuswahl(_i,_form){
    var suchindex = "PW" + _i.toString();  
    _form.selectedIndex.value = suchindex;  
    _form.submit();
    return;    
}