var preloadFlag = true;
function changeImages() {
        if (document.images && (preloadFlag == true)) {
                for (var i=0; i<changeImages.arguments.length; i+=2) {
                        document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
                }
        }
}

function popup(bild){
	window.open("/popup.php?bild="+bild+"",'fenster','toolbar=no,scrollbars=no,width=50,height=50')
}