如何锁定ie窗口大小...

<SCRIPT   LANGUAGE   =   "JavaScript">  
   
  function   CreateWindow()  
   
  {  
   
  msgWindow=window.open("pop_win.aspx","displayWindow",  
   
  "toolbar=no,width=350,height=400,directories=no,  
   
  status=no,scrollbars=yes,resize=no,menubar=no")  
   
  }