document.getElementById("loginid").style.display="none";
//页面加载登陆
function stateChangeIE(_frame){ 
     if (_frame.readyState=="interactive"){//state: loading ,interactive,   complete
         var loader = document.getElementById("load"); 
            loader.innerHTML = "";    
            loader.style.display = "none";  
            _frame.style.display = "";  
            _frame.style.visibility = "visible";   
     }   
}
function stateChangeFirefox(_frame){ 
    var loader = document.getElementById("load"); 
    loader.innerHTML = "";    
    loader.style.display = "none";  
    _frame.style.display = "";
    _frame.style.visibility = "visible";   
}
//页面头部登陆
function topclicklogin(){
    var u=document.getElementById("topusername");
    var p=document.getElementById("topuserpass");
    if(u.value=="" || p.value==""){
        alert("请输入用户名或密码！");return false;
    }
    return true;
}

//页面搜索
function clicksoso(){
    var a=document.getElementById("soso");
    if(a.value=="请输入搜索的新闻关键字"){
        a.value="";
    }
}