function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

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];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		info_over = newImage("images/info.gif");
		gasthaus_over = newImage("images/gasthaus.gif");
		schnaps_over = newImage("images/schnaps.gif");
		likoer_over = newImage("images/likoer.gif");
		geschenk_over = newImage("images/geschenk.gif");
		kontakt_over = newImage("images/kontakt.gif");
		impressum_over = newImage("images/impressum.gif");
		preloadFlag = true;
	}
}

function popup(url,fensterName,w,h)
{
    var URL = url;
    var Name = fensterName;
    var Fensteroptionen = "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,top=30";
    var Breite = w;
    var Hoehe = h;
    window.open(URL, 'Name', Fensteroptionen + ',width=' + Breite + ',height=' + Hoehe);
}