function open_nw(url,wn)
{
	
    var opts = 'location=no,menubar=no,status=no,toolbar=no,resizable=yes';
    var w = screen.availWidth-100;
    var h = screen.availHeight-100;
    var t = 20;
    var l = 20;
    var o = window.opener;
    while (o) {
      t += 20; l += 20; o = o.opener;
    }
    opts += ',scrollbars=yes,width='+w+',height='+h+',top='+t+',left='+l;
    var win = window.open(url,wn,opts);
    win.focus();
}

function popup_flyer(url,wn)
{
	
    var opts = 'location=no,menubar=no,status=no,toolbar=no,resizable=yes';
    var w = 622;
    var h = 445;
    var t = 20;
    var l = 20;
    var o = window.opener;
    while (o) {
      t += 20; l += 20; o = o.opener;
    }
    opts += ',scrollbars=yes,width='+w+',height='+h+',top='+t+',left='+l;
    var win = window.open(url,wn,opts);
    win.focus();
}
function popup(url,cmd)
{
	var wn = '';
    var opts = 'location=no,menubar=no,status=no,toolbar=no,resizable=yes';
    var w = 500;
    var h = 100;
    var t = 200;
    var l = 200;
    var o = window.opener;
    while (o) {
      t += 20; l += 20; o = o.opener;
    }
    opts += ',scrollbars=yes,width='+w+',height='+h+',top='+t+',left='+l;
    var win = window.open(url,wn,opts);
    win.focus();
}

function bildladen(imgquelle,imgName) 
{
	document[imgName].src = imgquelle;
}