function newwin3()
{
sub = window.open("web_comic.htm","window3","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=640,height=460");
x = (screen.width  - 640) / 2;
y = (screen.height - 460) / 2;
sub.moveTo(x,y);
}