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

function changeImages() {
	if (document.images) {
		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) {
		Button_Home_over = newImage("http://www.hagenmaier-online.de/images/Button_Home-over.png");
		nav_04_Button_Home_over = newImage("http://www.hagenmaier-online.de/images/nav_04-Button_Home_over.png");
		Button_Pix_Button_Home_over = newImage("http://www.hagenmaier-online.de/images/Button_Pix-Button_Home_over.png");
		Button_Pix_over = newImage("http://www.hagenmaier-online.de/images/Button_Pix-over.png");
		nav_06_Button_Pix_over = newImage("http://www.hagenmaier-online.de/images/nav_06-Button_Pix_over.png");
		Button_Poems_Button_Pix_over = newImage("http://www.hagenmaier-online.de/images/Button_Poems-Button_Pix_ove.png");
		Button_Poems_over = newImage("http://www.hagenmaier-online.de/images/Button_Poems-over.png");
		nav_09_Button_Poems_over = newImage("http://www.hagenmaier-online.de/images/nav_09-Button_Poems_over.png");
		nav_09_Button_Stuff_over = newImage("http://www.hagenmaier-online.de/images/nav_09-Button_Stuff_over.png");
		Button_Links_Button_Stuff_over = newImage("http://www.hagenmaier-online.de/images/Button_Links-Button_Stuff_o.png");
		Button_Links_over = newImage("http://www.hagenmaier-online.de/images/Button_Links-over.png");
		Button_Poems_over024 = newImage("http://www.hagenmaier-online.de/images/Button_Poems-over-24.png");
		Button_Stuff_Button_Poems_over = newImage("http://www.hagenmaier-online.de/images/Button_Stuff-Button_Poems_o.png");
		Button_Stuff_over = newImage("http://www.hagenmaier-online.de/images/Button_Stuff-over.png");
		Button_Stuff_Button_Links_over = newImage("http://www.hagenmaier-online.de/images/Button_Stuff-Button_Links_o.png");
		nav_14_Button_Poems_over = newImage("http://www.hagenmaier-online.de/images/nav_14-Button_Poems_over.png");
		nav_14_Button_Stuff_over = newImage("http://www.hagenmaier-online.de/images/nav_14-Button_Stuff_over.png");
		nav_15_Button_Stuff_over = newImage("http://www.hagenmaier-online.de/images/nav_15-Button_Stuff_over.png");
		preloadFlag = true;
	}
}