if (parent.frames.length < 2) {

var FHoehe = 0;
if (document.all) { FHoehe = document.body.offsetHeight; }
else if (document.layers) { FHoehe = window.innerHeight; }
if (FHoehe==0) {FHoehe = window.innerHeight;}

var cfile = location.href.split("/");
var cfl = cfile.length;
var fpos = cfl-1;
var file = cfile[fpos];

if (file = "index.html") {
var file = "index.php"; }


var checkhtml = file.search(/html$/);
var checkphp = file.search(/php$/);

if ((checkhtml == -1) && (checkphp == -1)) {
var file = "index.php"; }

if (FHoehe < 533)
top.location.href = "index_kl.html?file="+file;
if (FHoehe >= 533)
top.location.href = "index_gr.html?file="+file;
}