我想把126域名弹出窗口更快速的关掉要改哪个代码啊

inchina

<script>
cnease=window.open("","my","top=2000")
cnease.close()
if(top!=self)top.location=self.location
focus()
self.resizeTo(screen.availWidth+8,screen.availHeight+8)
self.moveTo(-4,-4)
</script>
自动关闭太慢了 我想最好半秒钟就能关掉 大家帮帮忙要改哪个代码啊