function Get_Cookie(name) {
    var start = document.cookie.indexOf( name + "=" );
    var len = start + name.length + 1;
    if ( ( !start ) &&
            ( name != document.cookie.substring( 0, name.length ) ) )
    {
        return null;
    }
    if ( start == -1 ) return null;
      var end = document.cookie.indexOf( ";", len );
    if ( end == -1 ) 
          end = document.cookie.length;
    return unescape(document.cookie.substring(len, end));
}
    function loadusername(){
  var username=Get_Cookie("PASS_USERNAME");
  if(username!=''&&username!=null){
       document.getElementById('nav_top1_left3_0602').innerHTML=' <a href="http://home.fantong.com/web/usercenter/profileForward.action?username='+username+'" target="_blank">'+username+'</a> 欢迎您来到饭统网，<a href=http://home.fantong.com/home/>进入个人家园</a> | <a href=# onclick=logout();>退出</a> | <a href="http://www.fantong.com/help/index.html">帮助</a>'; //待修改
  }else{
       document.getElementById('nav_top1_left3_0602').innerHTML='用户名:<input id="topName" type="text" class="logininp"/> 密码:<input id="topPassword" type="password" class="logininp"/> <input onclick="checkLogin()" type="button" class="logbut" value="登录"/>　<a href="http://home.fantong.com/web/usercenter/goregister.action">注册</a>　<a href=/userFindPwdAction.do?method=start>忘记密码？</a>';
  }
 }
    function checkLogin(){
        var username = jQuery("#topName").val();
        var password = jQuery("#topPassword").val();
  jQuery.ajax({
  type: "POST",
  url: "/login.do",
  data: "username="+ encodeURIComponent(encodeURIComponent(username)) + "&password=" + password,
  success: function(msg){
   jQuery(msg).find('messages').each(function(){
    if(jQuery(this).children('codeid').text() == '0'){
     alert('登录成功！');
     window.location.reload();
     jQuery('#nav_top1_left3_0602').html("&nbsp;&nbsp;&nbsp;欢迎用户&nbsp;"+username+"&nbsp;&nbsp;登陆饭统网&nbsp;&nbsp;|&nbsp;&nbsp; <a href='/userindex.do'>进入个人中心</a> |&nbsp;&nbsp;<a href='/logout.do'>退出</a>");
    
    }else{
     alert(jQuery(this).children('message').text());
    }
   });
  }
 });
  }
function fucCheckNUM(NUM){
  var i,j,strTemp;
  strTemp="0123456789-－/";
  if ( NUM.length== 0)
   return 0
  for (i=0;i<NUM.length;i++)
  {
   j=strTemp.indexOf(NUM.charAt(i)); 
   if (j==-1)
   {
   //说明有字符不是数字
    return 0;
   }
  }
  //说明是数字
  return 1;
}
   function logout(){
      window.location.href="/logout.do";
      var datelater = new Date();
       datelater.setTime(datelater.getTime() - 10000);
       document.cookie ="PASS_USERNAME=a"+"; expires=" + datelater.toGMTString();
   }