让控件填满整个页面

    <script language="javascript" type="text/javascript">
      //将ctlid控件填充满当前的页面，多用于frame中
      function FillPage(ctlid)
      {
        var obj=document.getElementById(ctlid);
        obj.style.width =document.documentElement.scrollWidth;
        obj.style.height =document.documentElement.scrollHeight;        
      }
    </script>