// Calculate Window Height and Width


window.onresize = function() {
var hoehe = Fensterhoehe()-25;
document.getElementById("home").style.height = hoehe + 'px';
}
 


function Fensterhoehe()
{
if (window.innerHeight) return window.innerHeight;
else if (document.body && document.body.offsetHeight) return document.getElementsByTagName('html')[0].offsetHeight;
}