var chk = document.getElementsByTagName("html")[0].clientHeight;
function issetV( variable ) { return( typeof( variable ) != 'undefined' ); }
function issetO( id ) { if (document.getElementById(id)) return( true ); return( false ); }
function check() { firstcall = 1; }
window.document.body.onload = function(){ check; }
window.onresize = function(){ check(); }
if (document.getElementById("clinks"))
{
var gesamthoehe;
var contenthoehe;
var cminheight = 500;
/* (MINDEST-)HÖHE DES CONTENTS FÜR ALLE BEREICHE START */
var c = document.getElementById("content").getBoundingClientRect();
var l = document.getElementById("clinks").getBoundingClientRect();
var r = document.getElementById("crechts").getBoundingClientRect();
//alert("links: "+(l.bottom-l.top)+", rechts: "+(r.bottom-r.top)+", content: "+(c.bottom-c.top));
if ( (l.bottom-l.top) > (r.bottom-r.top) ) contenthoehe = (l.bottom-l.top);
else contenthoehe = (r.bottom-r.top);
if ( contenthoehe < (c.bottom-c.bottom) ) contenthoehe = (c.bottom-c.top);
if (contenthoehe