var FEig = ',depent=yes,location=no,menubar=no,scrollbars=no,status=no,toolbar=no', sbyes = ',scrollbars=yes', sbno = ',scrollbars=no';
var sw = screen.width - 20, sh = screen.height - 40, nix;

function FenEig( B, H, S, Li, Ob) {
		var L, O;
		if ( B == nix ) B = sw;
		if ( sw < B )	{
				B = sw;
				L = 0;
				S = ',scrollbars=yes';
			} else {
				L = Math.round( ( sw - B ) / 2 );
			}
		if ( H == nix ) H = sh;
		if ( sh < H)	{
				H = sh;
				O = 0;
				S = ',scrollbars=yes';
			} else {
				O = Math.round( ( sh - H) / 2 );
			}
		if ( Li ) L = Li;
		if ( Ob ) O = Ob;
		zurueck = FEig;
		if ( S ) zurueck = zurueck.replace( sbno, sbyes);
		zurueck = 'width=' + B + ',height=' + H + ',left=' + L + ',top=' + O + zurueck;
		return zurueck;
	}

function Fenster( U, R, B, H, S, Li, Ob) { return window.open( U, R, FenEig( B, H, S, Li, Ob) ); }

function extern( Verweis) {
//		with ( window.open( '../extern.htm', 'extern', 'top=5,left=5,width=' + ( screen.width - 10 ) + ',height=' + ( screen.width - 10 ) + ',scrollbars=yes,status=yes,menubar=yes,toolbar=yes,resizeable=yes,location=yes,dependent=yes')) {
		with ( window.open( Verweis, 'extern', 'top=5,left=5,width=' + ( screen.width - 10 ) + ',height=' + ( screen.width - 10 ) + ',scrollbars=yes,status=yes,menubar=yes,toolbar=yes,resizeable=yes,location=yes,dependent=yes')) {
				focus();
//				location.href = Verweis;
			}
	}