Ajax Implementation Comment Submission

Ajax document.write ('

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) {//Set MIME category
Xmlhttp.overridemimetype (' Text/xml ');
}
}
return XMLHTTP;
}
function GetData (URL,OBJ1,OBJ2)
{var xmlhttp=createxmlhttp ();
if (!xmlhttp)
{Alert ("Your browser does not support xmlhttp!! ");
Return
}
Showloading ()
Xmlhttp.onreadystatechange=requestdata;
Xmlhttp.open ("Get", url,true);
Xmlhttp.send (NULL);
function RequestData ()
{fopen (OBJ1);
Echo (obj1, "Loading data, please wait ...");
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 ("Your browser does not support 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, "submitting data, please wait ...");
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) = = "")
{
If the first character on the left of the string is a space
str = str.slice (1);//Remove the space from the string
This sentence can also be changed to str = str.substring (1, str.length);
str = LTrim (str); Recursive call
}
return str;
}
Remove the space on the right side of the string
function RTrim (str)
{
var ilength;
Ilength = Str.length;
if (Str.charat (iLength-1) = "")
{
If the first character to the right of the string is a space
str = str.slice (0, iLength-1);//Remove spaces from string
This sentence can also be changed to str = str.substring (0, iLength-1);
str = RTrim (str); Recursive call
}
return str;
}
Remove the spaces on either side of the string
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 ("Please fill in User name");
return false;
}
if (f ("message") = = "")
{Alert ("content is not nullable");
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 ("Please fill in the Verification Code");
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;
}