pjblog发表评论用的ajaxJS.js

document.write('<DIV id="loadingg"  style="HEIGHT:65px; WIDTH: 200px;POSITION: absolute; Z-INDEX:1000;border:3px;solid;text-align:center;sans-serif;color:#000000;background-color:#FFFFFF;opacity:.7;-moz-opacity:.7;filter: Alpha(Opacity=75, FinishOpacity=50, Style=1, StartX=0, StartY=1, FinishX=200, FinishY=100); display:none;"><br/><font color="#708090"><b>数据正在读取中,请等候...</b></font><br/><img src="images/loading.gif"/></DIV>')
function showloading() 
{
var obj=document.getElementById("loadingg")
if (obj.style.display!="")
{
obj.style.left=((document.documentElement.clientWidth-parseFloat (obj.style.width))/2)+document.documentElement.scrollLeft+"px";
obj.style.top=((document.documentElement.clientHeight-parseFloat (obj.style.height))/2)+document.documentElement.scrollTop+"px";
obj.style.display="";
}else{obj.style.display="none";}
}


function $(id)
{
    return document.getElementById(id);    
}
function echo(obj,html)
{
    $(obj).innerHTML=html;
}
function fopen(obj)
{
    $(obj).style.display="";
}
function fclose(obj)
{
    $(obj).style.display="none";
}
function createxmlhttp()
{
    var xmlhttp=false;
    try    {
          xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
     } 
    catch (e) {
          try {
               xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
          } 
        catch (e) {
               xmlhttp = false;
         }
     }
    if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
          xmlhttp = new XMLHttpRequest();
                if (xmlhttp.overrideMimeType) {//设置MiME类别
            xmlhttp.overrideMimeType('text/xml');
        }
    }    

    return xmlhttp;    
}

function getdata(url,obj1,obj2)
{
        var xmlhttp=createxmlhttp();
        if(!xmlhttp)
        {
            alert("你的浏览器不支持XMLHTTP！！");
            return;
        }
        showloading() 
        xmlhttp.onreadystatechange=requestdata;
        xmlhttp.open("GET",url,true);
        xmlhttp.send(null);
        function requestdata()
        {

                fopen(obj1);
                //echo(obj1,"正在加载数据，请稍等......");
                //alert(xmlhttp.readyState)
                if(xmlhttp.readyState==4)
                {
                    if(xmlhttp.status==200)
                    {
                        if(obj1!=obj2){fclose(obj1);};
                        echo(obj2,xmlhttp.responseText);
                        showloading() 
                    }
                }

        }
}
function postdata(url,obj,data)
{       var rnd=Math.random()
        var xmlhttp=createxmlhttp();
        if(!xmlhttp)
        {
            alert("你的浏览器不支持XMLHTTP！！");
            return;
        }
        showloading() 
        xmlhttp.open("POST", url, true);
        xmlhttp.onreadystatechange=requestdata;
        xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
        xmlhttp.send(data);
        function requestdata()
        {
            fopen(obj);
            echo(obj,"正在提交数据，请稍等......");
            if(xmlhttp.readyState==4)
            {
                if(xmlhttp.status==200)
                {
                    echo(obj,xmlhttp.responseText);
                    reget(rnd);
                    setTimeout("echo('showresult','')",2000);
                    echo('Message','')
                    showloading() 
                }
            }
        }
}
function lTrim(str)
{
  if (str.charAt(0) == " ")
  {
    //如果字串左边第一个字符为空格
    str = str.slice(1);//将空格从字串中去掉
    //这一句也可改成 str = str.substring(1, str.length);
    str = lTrim(str);    //递归调用
  }
  return str;
}

//去掉字串右边的空格
function rTrim(str)
{
  var iLength;

  iLength = str.length;
  if (str.charAt(iLength - 1) == " ")
  {
    //如果字串右边第一个字符为空格
    str = str.slice(0, iLength - 1);//将空格从字串中去掉
    //这一句也可改成 str = str.substring(0, iLength - 1);
    str = rTrim(str);    //递归调用
  }
  return str;
}

//去掉字串两边的空格
function trim(str)
{
  return lTrim(rTrim(str));
}

function f(obj)
{
    return trim(eval("document.ajax_post."+obj+".value"));
    //return trim($(obj).value);
}

function SaveReply()
{
    if(f("username")=="")
    {
        alert("请填写用户名");
        return false;
    }
    if(f("Message")=="")
    {
        alert("内容不可為空");
        return false;
    }
    var validate,password,log_DisKey=0,log_DisURL=0,log_DisSM=0
    validate=""
    password=""
    if(document.ajax_post.log_DisKey.checked){
        log_DisKey=f("log_DisKey")
        }
    if(document.ajax_post.log_DisURL.checked){
        log_DisURL=f("log_DisURL")
        }
    if(document.ajax_post.log_DisSM.checked){
        log_DisSM=f("log_DisSM")
        }
    if((typeof eval(document.ajax_post.validate))!="undefined"){
        if(f("validate")=="")
        {
            alert("请填写验证码");
            return false;
        }else{
            validate=f("validate");
        }
    }    
    if((typeof eval(document.ajax_post.password))!="undefined"){
        password=f("password");
    }
    data="username="+escape(f("username"))+"&password="+escape(password)+"&validate="+escape(validate)+"&log_DisSM="+escape(log_DisSM)+"&log_DisURL="+escape(log_DisURL)+"&log_DisKey="+escape(log_DisKey)+"&Message="+escape(f("Message"))+"&logID="+escape(f("logID"))+"&action="+escape(f("action"));
    //alert(data);
    postdata("wbc_blogcomm.asp","showresult",data);
    return true;
}

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