function getWindowWidth(win)
{
    if (win == undefined)
        win = window;
    if (win.innerWidth) {
        return win.innerWidth;
    } else {
        if (win.document.documentElement 
                && win.document.documentElement.clientWidth) 
        {
            return win.document.documentElement.clientWidth;
        }
        return win.document.body.offsetWidth;
    }
}

function getWindowHeight(win)
{
    if (win == undefined)
        win = window;
    if (win.innerHeight) {
        return win.innerHeight;
    } else {
        if (win.document.documentElement 
                && win.document.documentElement.clientHeight) 
        {
            return win.document.documentElement.clientHeight;
        }
        return win.document.body.offsetHeight;
    }
}

function neuAufbau () {
    location.href = location.href;
}

if (!window.Breite && window.innerWidth) {
  	window.onresize = neuAufbau;
  	var Breite = getWindowWidth();
	var Hoehe = getWindowHeight();
}