valor_width=640;
valor_height=520;

posx = (screen.availWidth - valor_width) / 2;
posy = (screen.availHeight - valor_height - 40) / 2;

	function video(){window.open('swf/video.htm','arcolor_video','height=' + valor_height + ', width=' + valor_width + ',scrollbars=no top=' + posy + ' left=' + posx );}