function getCookie(firstname,secondname)//取cookies函数
{
    var   dc   =   document.cookie; 
    //document.all("ta1").value=dc;
    var   fbegin=dc.indexOf(firstname+"=");
    if(fbegin<0)
      return null;
    //alert(fbegin);
    var   fend=dc.indexOf(";",fbegin);
    //alert(fend);
    if(fend==-1)
      fend=dc.length;
    //alert(fend);
    var   prefix=secondname+"=";
    var   begin=dc.indexOf(prefix,fbegin); 
    //alert(begin);
    var   end=-1;
    var   end1=document.cookie.indexOf( ";",begin); 
    var   end2=document.cookie.indexOf( "&",begin);
    //alert(end1);
    //alert(end2);
      if(end1==-1&&end2==-1)
         end=dc.length;
      else
      {
         if(end1>=0&&end2<0)
         end=end1;
         else if(end1<0&&end2>=0)
         end=end2;
         else if(end1<0&&end2<0)
         end=dc.length;
         else if(end1>end2)
         end=end2;
         else if(end2>end1)
         end=end1;
         else
         end=dc.length;
      }
     // alert(end);
      if(fbegin<=begin&&fend>=end)
      {
        var value=dc.substring(begin +prefix.length,end);
        if(value==null||value=="")
            return null;
        else
         return decodeURI(dc.substring(begin +prefix.length,end));
      }
      else
      return null;
}


var ajax = false;//全局ajax对象
function RegUserInfo(un,up)
{
//获取接受返回信息层
var userName = un;
var userPassword  = up;
//接收表单的URL地址
var url = "http://www.datihu.com/remoteuserlogin/remoteuserlogin.aspx";


if(userName=="")
{
    alert("请输入用户名");
    return false;
}
else if(userPassword=="")
{
    alert("请输入密码");
    return false;
}
var postStr   = "user_name="+ userName +"&user_password="+ userPassword;
         //开始初始化XMLHttpRequest对象
         if(window.XMLHttpRequest) { //Mozilla 浏览器
                 ajax = new XMLHttpRequest();
                 if (ajax.overrideMimeType) {//设置MiME类别
                         ajax.overrideMimeType("text/xml");
                 }
         }
         else if (window.ActiveXObject) { // IE浏览器
                 try {
                         ajax = new ActiveXObject("Msxml2.XMLHTTP");
                 } catch (e) {
                         try {
                                 ajax = new ActiveXObject("Microsoft.XMLHTTP");
                         } catch (e) {}
                 }
         }
         if (!ajax) { // 异常，创建对象实例失败
                 window.alert("不能创建XMLHttpRequest对象实例.");
                 return false;
         }
                
                
                
//通过Post方式打开连接
ajax.open("POST", url, true);
//定义传输的文件HTTP头信息
ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8"); 
//发送POST数据
ajax.send(postStr);
//获取执行状态
ajax.onreadystatechange = ajaxcallback;
}

function ajaxcallback() { 
   //如果执行状态成功，那么就把返回信息写到指定的层里
   if (ajax.readyState == 4 && ajax.status == 200) { 
	    if(ajax.responseText=='1')
	    {
	        window.loginOkChange();
	    }
	    else
	    {
	        window.location.href="http://user.datihu.com/webpage/Login.aspx";
	    }
   }
} 

function delCookie(firstname,secondname)//删除cookie
{
    var exp = new Date();
    exp.setTime(exp.getTime() - 10000);
    var cval=getCookie(firstname,secondname);
    if(cval!=null)
    {
	document.cookie= firstname+"=;expires="+exp.toGMTString()+";domain=datihu.com;path=/";
    }

}

function showdiv(type,ldiv,uldiv,tspan)  //true 是现实要登录，false是要注销
{
   
   if(type)
   {
    var str=getCookie('user','realname');
    if(str!=null&&str!="")
    {
        document.getElementById(ldiv).style.display='block';
        document.getElementById("unloginpart").style.display='none';
        document.getElementById("loginedpart").style.display='block';
        document.getElementById(uldiv).style.display='none';
        document.getElementById(tspan).innerHTML="你好,<b>"+str+"</b>";
    }
     else
        {
            str=getCookie('user','name');
            if(str!=null&&str!="")
            {
               document.getElementById(ldiv).style.display='block';
               document.getElementById(uldiv).style.display='none';
               document.getElementById("unloginpart").style.display='none';
               document.getElementById("loginedpart").style.display='block';
               document.getElementById(tspan).innerHTML="你好,<b>"+str+"</b>";
            }
            else
            {
               document.getElementById(uldiv).style.display='block';
               document.getElementById(ldiv).style.display='none';
               document.getElementById("unloginpart").style.display='block';
               document.getElementById("loginedpart").style.display='none';
               document.getElementById(tspan).innerHTML="";
            }
        }
   }
   else
   {
        delCookie('user','name');
        document.getElementById(uldiv).style.display='block';
        document.getElementById(ldiv).style.display='none';
        document.getElementById("unloginpart").style.display='block';
        document.getElementById("loginedpart").style.display='none';
        document.getElementById(tspan).innerHTML="";
        location.replace(location.href);
   }
}

//添加收藏
function addFavorite()
{
  window.external.addFavorite(window.location.href,"职业测评中心-大醍醐网");
  return false;
}