function wo(fn,w,h) {
  var xpos = screen.width;
  var ypos = screen.height;
  window.open(fn, "cartoon", "height="+h+",width="+w+",top="+(ypos/2-h/2)+",left="+(xpos/2-w/2)+",screenX="+(xpos/2-w/2)+";screenY="+(ypos/2-h/2)+"");
}