function okno (theURL,wx,wy)

{ mx = Math.round((screen.width-wx)/2);

tab = window.open(theURL,"tab","width="+wx+",height="+wy+",toolbar=no,directories=no,scrollbars=yes,location=no,resizable=no,menubar=no,left="+mx+",top=10").focus();
}

b1up=new Image(101,63);
b1up.src="gfx/gfx_roll_17.jpg";
b1down=new Image(135,63);
b1down.src="gfx/gfx_17.jpg";

b2up=new Image(75,63);
b2up.src="gfx/gfx_roll_18.jpg";
b2down=new Image(75,63);
b2down.src="gfx/gfx_18.jpg";

b3up=new Image(107,63);
b3up.src="gfx/gfx_roll_19.jpg";
b3down=new Image(107,63);
b3down.src="gfx/gfx_19.jpg";

b4up=new Image(103,63);
b4up.src="gfx/gfx_roll_20.jpg";
b4down=new Image(103,63);
b4down.src="gfx/gfx_20.jpg";

b5up=new Image(109,63);
b5up.src="gfx/gfx_roll_21.jpg";
b5down=new Image(109,63);
b5down.src="gfx/gfx_21.jpg";

b6up=new Image(103,63);
b6up.src="gfx/gfx_roll_22.jpg";
b6down=new Image(103,63);
b6down.src="gfx/gfx_22.jpg";

b7up=new Image(60,32);
b7up.src="gfx/gfx_roll_23.jpg";
b7down=new Image(111,32);
b7down.src="gfx/gfx_23.jpg";

b8up=new Image(111,32);
b8up.src="gfx/gfx_roll_07.jpg";
b8down=new Image(111,32);
b8down.src="gfx/gfx_07.jpg";

b9up=new Image(55,32);
b9up.src="gfx/gfx_roll_09.jpg";
b9down=new Image(55,32);
b9down.src="gfx/gfx_09.jpg";

b10up=new Image(45,32);
b10up.src="gfx/gfx_roll_11.jpg";
b10down=new Image(45,32);
b10down.src="gfx/gfx_11.jpg";

b11up=new Image(74,32);
b11up.src="gfx/gfx_roll_13.jpg";
b11down=new Image(74,32);
b11down.src="gfx/gfx_13.jpg";