function message(filename,config,viewindex,code,extern)
{
switch(code){    
case 50001:
//alert("没有登陆!");
window.location.href="error.html";
break;
case 50002:
//alert("已在其它地方登陆!");
window.location.href="error.html";
break;
case 50003:
window.location.href="error.html";
//alert("权限不够!");        
break;
case 10001:
alert(extern);  
history.go(-1);      
break;
default:
break;}}