function loadNewsReview()
{
    document.getElementById("ExamNewsReview").height =document.frames["ExamNewsReview"].document.all("hiddenReviewHeight").value;
}

function ExamNewsReviewLoad()
{
    createCode();
}


var iframeReviewHeight ;
var code ; //在全局 定义验证码  
function createCode()  
{   
    iframeReviewHeight = document.body.clientHeight;
    document.getElementById("hiddenReviewHeight").value =iframeReviewHeight;
     window.parent.document.getElementById("ExamNewsReview").height=iframeReviewHeight;
    code = "";  
    var codeLength = 4;//验证码的长度  
    var checkCode = document.getElementById("checkCode");  
    var selectChar = new Array(0,1,2,3,4,5,6,7,8,9,'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z');// 所有候选组成验证码的字符，当然也可以用中文的  
   
    for(var i=0;i<codeLength;i++)  
    {  
       
        var charIndex = Math.floor(Math.random()*36);  
        code +=selectChar[charIndex];      
    }  
    //       alert(code);  
    if(checkCode)  
    {  
        checkCode.className="code";  
        checkCode.value = code;  
    }    
}    
        
function funChkNoUserName()
{
    if(document.getElementById("noUserName").checked)
        document.getElementById("noUserName").checked = false;
    else
        document.getElementById("noUserName").checked = true;
}