js如果得知某一窗口名的窗口以经存在

Question

<script>
var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
  if(popUpWin) //窗口已经打开过
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menub ar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
  // 让新开窗口获得焦点
  popUpWin.focus();
}
</script>

Answer 1

try{
    qqqcn.moveTo()
}catch(e){
    qqqcn=window.open('xxxx.htm','','')
}

Answer 2

rawjim(我是一个好学的新人) ( ) 信誉：100  2005-11-26 9:47:47  得分: 15  提供的方法不行呀
楼主你解决了?