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 MyPreloadImages() {

	if (document.images) {
		Tuer = newImage("MyImages/tuer.jpg");
		preloadFlag = true;
	}
}


	var breite = 0;
	var hoehe = 0;
	var a = 0;
	var sBackImgName = "back.jpg";
	
	function init(){

		var jetzt = new Date();
		var time = jetzt.getTime();

		//document.cookie += "expires=" + cookieDate(time + 1000*60*60);
		//1000ms=1s*60=1min*60=1h*24=1Tag*5=5Tage

		breite=screen.width;
		hoehe=screen.height;
	
		if(breite==800)
			{
				a = 776;
				sBackImgName = "back800.jpg";
			}
		if(breite==1024)
			{
				a = 1000;
				sBackImgName = "back.jpg";
			}
		if(breite==1152)
			{
				a = 1128;
				sBackImgName = "back1152.jpg";
			}
		if(breite==1280)
			{
				a = 1256;
				sBackImgName = "back1280.jpg";
			}
		
	}
	


	function SetBackGround(){

		/*if(document.cookie)
  			sBackImgName = document.cookie;
 		else{
  			init();
			sBackImgName = document.cookie;
			//alert("abgelaufen - cookie neu gesetzt");
		}*/
		init();
		//var oBodyTag = document.all.body;//nicht für Netscape!!
		var oBodyTag = document.getElementsByTagName('body')[0];
		oBodyTag.background = sBackImgName;
	}
	
	
	
	function size ()
	{	
		var win;
		var x = 1, y = 1, n = 1;

		breite=10;	
		win=window.open ("tuer.htm", "hallo","width=80,height=60,screenx=100,screeny=200,dependent=yes");
		win.setTimeout ('', 10000);

		while (x < 60)
	
			{
				x++;
				y = y + 2;
				win.resizeBy (10, 8)	
			}
		//win.setTimeout ('window.close ()', 1300);	
	}


	function OpenGal(){
		
		window.open("gal.htm", "hallo2","width=800,height=600,dependent=yes");
	}