function showDetail(msg) { //在远方www.jscode.cn
//背景
  var bgObj=document.getElementById("bgDiv");
  if (parseInt(navigator.appVersion.charAt(0))>=4){ 
var isNN=(navigator.appName=='Netscape')?1:0; 
var isIE=(navigator.appName.indexOf('Microsoft')!=-1)?1:0; 
}
if (isNN) 
  bgObj.style.width = document.body.clientWidth + "px"; 
if (isIE) 
  bgObj.style.width = document.body.offsetWidth + "px"; 


  bgObj.style.height = document.body.clientHeight + "px";


//定义窗口
  var msgObj=document.getElementById("msgDiv");
  msgObj.style.marginTop = (document.documentElement.clientHeight)/2+"px"; 
  msgObj.style.marginLeft=((document.documentElement.clientWidth)-300)/2 + "px";

//关闭
  document.getElementById("msgShut").onclick = function(){
  bgObj.style.display = msgObj.style.display = "none";
  }
  msgObj.style.display = bgObj.style.display = "block";
  document.getElementById("msgDetail").innerHTML=msg;
}