function login()
{
    var f=document.loginForm;
    if (f.login.value!="" && f.passwort.value!="") document.loginForm.submit();
}

function printpopup(url,w,h)
{
    if(!w) w=500;
    if(!h) h=700;
    var pp=window.open(url, "pp", "width="+w+",height="+h+",location=no,menubar=no,scrollbars=no,resizable=yes,status=yes,toolbar=no")
}

function hideOptionalFields(box)
{
    var spans=document.getElementsByTagName("span");
    var newClass=(box.checked==true)?"hiddenField":"visibleField";
    for(var i=0;i<spans.length;i++)
    {
        if (spans[i].className=="hiddenField" || spans[i].className=="visibleField")
        {
            spans[i].className=newClass;
        }
    }
}