function aufgehts(breite,hoehe,URL,nummer,scroll) 
{

	// menubar on/off
	var mb = "no"
	if (nummer.substring(0,5)=='print'){var mb = "yes";}
	
	// positioning window
	var b1 = breite / 2
	var h1 = hoehe / 2
	var helpposbreite = screen.availWidth / 2 - b1
	var helpposhoehe = screen.availHeight / 2 - h1
	
	// debug alerts
	//alert(b1);
	//alert(h1);
	//alert(helpposbreite);
	//alert(helpposhoehe);
	//alert(nummer.substring(0,4));
	//alert(nummer.substring(0,4));
	//alert(mb);
	//alert(goal);
	//alert(root);

	NewWindow =
		 window.open(URL,nummer,"width=" + breite + ",height=" + hoehe + ",toolbar=" + mb + ",location=no,directories=no,status=yes,menubar=" + mb + ",scrollbars=" + scroll + ",resizable=" + mb + "");
	NewWindow.moveTo(helpposbreite,helpposhoehe);

}