//Preload für Rollover-Bilder
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		navbutton_01_over = newImage("layout_images/navbutton_01-over.gif");
		navbutton_02_over = newImage("layout_images/navbutton_02-over.gif");
		navbutton_03_over = newImage("layout_images/navbutton_03-over.gif");
		navbutton_04_over = newImage("layout_images/navbutton_04-over.gif");
		navbutton_05_over = newImage("layout_images/navbutton_05-over.gif");
		preloadFlag = true;
	}
}
//Ende Preload Rollover

//Popup für Powerpoint Konzept
function ppkonzept()
{
 var breite=700;
 var hoehe=700;
 var positionX=((screen.availWidth / 2) - breite / 2);
 var positionY=((screen.availHeight / 2) - hoehe / 2);
 var url= "pp-konzept/img0.html";
 pop=window.open('','','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,fullscreen=0,width='+breite+',height='+hoehe+',top=0,left=0');
 pop.resizeTo(breite,hoehe);
 pop.moveTo(positionX,positionY);
 pop.location=url;
 }
//ENDE Popup für Powerpoint Konzept