login.js

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 function ShowNo()                        //隐藏两个层
        {
            //document.getElementById("doing").style.display="none";
            document.getElementById("massage_box").style.visibility="hidden";
            //document.getElementById("massage_box").style.display="none";
            //document.getElementById("massage").style.display="none";
            document.getElementById("mask").style.visibility="hidden";
        }
        function $(id)         
        {
            return (document.getElementById) ? document.getElementById(id) : document.all[id] ;
        }
        function showFloat()                    //根据屏幕的大小显示两个层
        {
            var range = getRange();
            $('doing').style.width = range.width + "px";
            $('doing').style.height = range.height + "px";
            $('doing').style.display = "block";
            document.getElementById("divLogin").style.display="";
        }
        function getRange()                      //得到屏幕的大小
        {
              var top     = document.body.scrollTop;
              var left    = document.body.scrollLeft;
              var height  = document.body.clientHeight;
              var width   = document.body.clientWidth;

              if (top==0 && left==0 && height==0 && width==0) 
              {
                top     = document.documentElement.scrollTop;
                left    = document.documentElement.scrollLeft;
                height  = document.documentElement.clientHeight;
                width   = document.documentElement.clientWidth;
              }
              return  {top:top  ,left:left ,height:height ,width:width } ;
        }