<script language="javascript">  
 function e()  
 {  
    var json=[{"kl_id":"2","kl_title":"Test date","kl_content":"Test date","kl_type":"1","id":"1"},{"kl_id":"2","kl_title":"Test","kl_content":"Test","kl_type":"1","id":"2"}]  
    var str = "";  
    for (var one in json)  
    {  
        for(var key in json[one])  
        {  
            str += json[one][key]+ ",";  
        }  
    }  
    document.form.txtName.value = str;  
 }  
 </script>