function brtest() {
		var ausg = "ok";
		var ver = "";
		var avX = "";
		var avY = "";
		var leX = "";
		var leY = "";
		var offsX = "";
		var offsY = "";


		if(ausg == "ok") {
			avX = window.screen.availWidth;
			avY = window.screen.availHeight;
			avX-=10;
			avY-=36;
			leX = avX;
			leY = avY;
			if(avX > 1035) {
				leX = 1035;
			} 
			if(avY > 756) {
				leY = 756;
			} 

			if(avX < 1000 || avY < 700) {
				prfenster = window.open("home.htm","Praxis","width=" + leX + ",height=" + leY + ",left=0,top=0,location=no,menubar=no,resizable=no,scrollbars=yes,status=no,toolbar=yes");
			
				window.resizeTo(leX,leY);
				window.moveTo(0,0);

			} else {
				offsX = avX / 2 - leX / 2;
				offsY = avY / 2 - leY / 2;
				prfenster = window.open("home.htm","Praxis","width=" + leX + ",height=" + leY + ",left=" + offsX + ",top=" + offsY  + ",location=no,menubar=no,resizable=no,scrollbars=yes,status=no,toolbar=yes");
				
				if(navigator.appName == "Netscape") {
					
				} else {
					window.resizeTo(900,700);
					window.moveTo(offsX+100,offsY);
				}
			}			
			
			prfenster.focus();

		}

		return ausg;
	}

	function praufr() {
	
		ausg = brtest();

	}