function showLogin_2(username,userid)
    {
	   
	   document.getElementById('login1_2').style.display = "block";
	   document.getElementById('login2_2').innerHTML = "";
	   document.getElementById('toname_2').innerText = username;
	   document.getElementById('touserid_2').value=userid;
	   
	   
	  document.getElementById('login_2').style.display = "block";
	}
   function showForbid_2()
   {
       
	   document.getElementById('forbid_2').style.width = document.body.clientWidth;
	   document.getElementById('forbid_2').style.height = document.body.clientHeight;
	   document.getElementById('forbid_2').style.visibility = "visible";
   }
   function clicklogin_2()
   {
    document.getElementById('login_2').style.display = "none";
	 document.getElementById('forbid_2').style.visibility = "hidden";
	 top.location.href="/login.shtml";
   }
   function mclose_2()
   {
	   document.getElementById('login_2').style.display = "none";
	 document.getElementById('forbid_2').style.visibility = "hidden";
	 document.getElementById('login1_2').style.display = "block";
	   document.getElementById('login2_2').innerHTML = "";
   }
   function chkmian_2()
   {
    if((document.toform_2.msg_title.value=="")||(document.toform_2.msg_content.value==""))
	{
	 alert("信息不完整");
	 return false;
	}
	else
	{
	saveUserInfo_2();
	

	
	 }
   }
   
   
function saveUserInfo_2()
{
	document.getElementById('login1_2').style.display = "none";
	   
//获取接受返回信息层
var msg = document.getElementById("login2_2");
var userid=document.getElementById("touserid_2").value;
var usertype=document.getElementById("usertype").value;
//获取表单对象和用户信息值
var f = document.toform_2;
var msg_title = f.msg_title.value;
var msg_content = f.msg_content.value;


//接收表单的URL地址
var url = "/msg.asp";

//需要POST的值，把每个变量都通过&来联接
var postStr    = "msg_title="+ escape(msg_title) +"&msg_content="+ escape(msg_content) +"&msg_touserid="+ userid +"&type="+ escape(usertype);


//实例化Ajax
//var ajax = InitAjax();


           var ajax = false;
          //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"); 

//发送POST数据
ajax.send(postStr);

//获取执行状态
ajax.onreadystatechange = function() { 
    //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) { 
     msg.innerHTML = ajax.responseText; 
    }else
	{
		msg.innerHTML="<div align=center><br><br><br><br><img src=\"/images/loading1.gif\" alt=\"\" /></div><br><br>"
	}
} 
}