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) {
		familie_over = newImage("fileadmin/main/images/naviMain/familie_over.jpg");
		weine_over = newImage("fileadmin/main/images/naviMain/weine_over.jpg");
		ferien_over = newImage("fileadmin/main/images/naviMain/ferien_over.jpg");
		feste_over = newImage("fileadmin/main/images/naviMain/feste_over.jpg");
		region_over = newImage("fileadmin/main/images/naviMain/region_over.jpg");
		kontakt_over = newImage("fileadmin/main/images/naviMain/kontakt_over.jpg");
		bilderbuch_over = newImage("fileadmin/main/images/bilderbuchOver.gif");
		rezepteFamilie_over = newImage("fileadmin/main/images/rezepteFamilieOver.gif");
		bilderbuchFamilie_over = newImage("fileadmin/main/images/bilderbuchFamilieOver.gif");
		rezepte_over = newImage("fileadmin/main/images/rezepteOver.gif");
		preloadFlag = true;
	}
}

var pop = null;

function popdown() {
  if (pop && !pop.closed) pop.close();
}

function openW(obj,w,h) {
  var url = (obj.getAttribute) ? obj.getAttribute('href') : obj.href;
  if (!url) return true;
  w = (w) ? w += 0 : 150;  // 150px*150px is the default size
  h = (h) ? h += 0 : 150;
  var args = 'width='+w+',height='+h+',resizable=yes,top=150,left=150';
  popdown();
  pop = window.open(url,'',args);
  return (pop) ? false : true;
}

function openWScroll(obj,w,h) {
  var url = (obj.getAttribute) ? obj.getAttribute('href') : obj.href;
  if (!url) return true;
  w = (w) ? w += 0 : 150;  // 150px*150px is the default size
  h = (h) ? h += 0 : 150;
  var args = 'width='+w+',height='+h+',resizable=yes,top=150,left=150,scrollbars=yes';
  popdown();
  pop = window.open(url,'',args);
  return (pop) ? false : true;
}

window.onunload = popdown;
window.onfocus = popdown;