function openWindow(url,id) {
    window.open(url,id,'left=20,top=20,width=400,height=400,status=0,toolbar=0,resizeable=0,scrollbars=0,menubar=0');
}

function closeWindow() {
    window.close();
}

/*
barrierefrei - ie hat probleme

function openWindow(url) {
    window.open(url,url,"left=20,top=20,width=500,height=480,status=0,toolbar=0,resizeable=0,scrollbars=1,menubar=0");
    return false;
}

<a href="bilder-auto/ext-011.html" onclick="return openWindow(this.href);">
*/