function autoLogin(){//登录;
 var user= readCookie("uname").length;
 var pwd= readCookie("pwd").length;
 if(user>2 && pwd>5){
	 var username=document.getElementById('identify');
	 
	 var upwd=document.getElementById('password');
	 var auto=document.getElementById('autoLogin');
	 var from=document.getElementById('login');
	 var pwds=document.getElementById('passwordtip');
	 
	 pwds.innerHTML='';
	 auto.checked=true;
	 username.value=user;
	 upwd.value=pwd;
//	 from.submit();
 }
} 
//autoLogin();
function readCookie(name)

{

  var cookieValue = "";

  var search = name + "=";

  if(document.cookie.length > 0)

  { 

    offset = document.cookie.indexOf(search);

    if (offset != -1)

    { 

      offset += search.length;

      end = document.cookie.indexOf(";", offset);

      if (end == -1) end = document.cookie.length;

      cookieValue = unescape(document.cookie.substring(offset, end))

    }

  }

  return cookieValue;

}