var bgWnd = "";

  function fullscreen() {
    browser=(navigator.appName.indexOf("Microsoft")==-1)?"ns":"ie";
    system= (navigator.appVersion.indexOf("Mac")==-1)?"pc":"mac";

    breite = screen.availWidth - 20;
    hoehe = screen.availHeight - 28;
    bgWnd = "top=0,left=0,width="+breite+",height="+hoehe+",dependant=yes" // positioniert sich noch nicht auf top=0 left=0;
		bgWnd = window.resizeTo(breite, hoehe);
		bgWnd.focus();
  }


function openNewWindow(URLtoOpen, windowName, windowFeatures)
{ newWindow=window.open (URLtoOpen, windowName, windowFeatures);}

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) {
		map_o = newImage("bilder/map-o.gif");
		preloadFlag = true;
	}
}