var rand = 50;
var min_hoehe = 600;
h4 = 100;
h8 = 200;
h4neu = 100;
h8neu = 200;

function scale() {
	browserversion = /(MSIE) ([0-9][0-9]?.?[0-9]{0,3})/;
	browserversion.exec(navigator.appVersion);
	if (RegExp.$1 == "MSIE") {
 		if (RegExp.$2 < "8.0") {
			hoehe = window.innerHeight || (window.document.documentElement.clientHeight || window.document.body.clientHeight);
		} else {
			hoehe = window.innerHeight || (window.document.documentElement.clientHeight-4 || window.document.body.clientHeight);
		}
	} else {
		hoehe = window.innerHeight || (window.document.documentElement.clientHeight || window.document.body.clientHeight);
	}
//	var h4 = $('#Ebene4').height();
	var h4min = min_hoehe-172-21;
	var h4max = hoehe-2*rand-172-21;
//	var h8 = $('#Ebene8').height();
	var h8min = min_hoehe-151-61;
	var h8max = hoehe-2*rand-151-61;
// alert(h4max+'     '+ h4 +'          '+ h8min+'     '+h8max+'      ' + h8);
	h4neu = h4;
	if (h4 >= h4max)
		h4neu = h4max;
	if (h4neu <= h4min)
		h4neu = h4min;
	h8neu = h8;
	if (h8 >= h8max)
		h8neu = h8max;
	if (h8neu <= h8min)
		h8neu = h8min;
	$('#Ebene4').height(h4neu);
	$('#Ebene8').height(h8neu);
// alert(h4neu + '      ' + h8neu);
}

$(document).ready(function() { 
	h4 = $('#Ebene4').height();
	h8 = $('#Ebene8').height();

scale();
$(window).resize(function() {
	scale();
});




});