Ajax chat. js files used on the Internet

Var xmlHttp = false;
Var ichatstate;
Try {
XmlHttp = new ActiveXObject ("Msxml2.XMLHTTP ");
} Catch (e ){
Try {
XmlHttp = new ActiveXObject ("Microsoft. XMLHTTP ");
} Catch (e2 ){
XmlHttp = false;
}
}
If (! XmlHttp & typeof XMLHttpRequest! = 'Undefined '){
XmlHttp = new XMLHttpRequest ();
}

Function sendmsg (){
Var msgbody = escape (document. getElementById ("msgbody"). value );
Var sendto = escape (document. getElementById ("sendto"). value );
Var SendData = "msgbody =" + msgbody + "& sendto =" + sendto;
XmlHttp. open ("POST", "../ichat/sendmsg. asp", false );
XmlHttp. setRequestHeader ("Content-Type", "application/x-www-form-urlencoded ");
XmlHttp. onreadystatechange = function sendok () {if (xmlHttp. readyState = 4 ){}}
XmlHttp. send (SendData );
Document. getElementById ("msgbody"). value = "";
Showmsg ();
}

Function hot_key (){

If (window. event. keyCode = 13 & window. event. ctrlKey & document. getElementById ("msgbody"). value! = "") {Sendmsg ();}

}

Function exitchat (){
Var url = "../ichat/online. asp? Action = exit & pid = "+ Math. random ();
XmlHttp. open ("GET", url, true );
XmlHttp. send (null );
}

Function compute chat (){
Window. ionline. location. href = "../ichat/online. asp? Action = WeChat chat ";
Showmsg ();
}

Function showonline (){
Var url = "../ichat/online. asp? Action = showonline & pid = "+ Math. random ();
XmlHttp. open ("GET", url, true );
XmlHttp. send (null );
}

Function showmsg (){
Var url = "../ichat/getmsg. asp? Pid = "+ Math. random ();
XmlHttp. open ("GET", url, true );
XmlHttp. onreadystatechange = reloadX;
XmlHttp. send (null );
}

Function reloadX (){
If (xmlHttp. readyState = 4 ){
Var response = xmlHttp. responseText;
Document. getElementById ("mymsg"). innerHTML = response;
Document. getElementById ("mymsg"). scrollTop = document. getElementById ("mymsg"). scrollHeight;
SetTimeout ("showmsg ();", 10000 );
}
}

Function saveset (){
Var mycolor = document. getElementById ("mycolor"). value;
Var msgtotal = document. getElementById ("msgtotal"). value;
Var mystate = document. getElementById ("mystate"). value;
Var allowmsg = document. getElementById ("allowmsg"). value;
Var closemsg;

If (document. getElementById ("closemsg"). checked ){
Closemsg = document. getElementById ("closemsg"). value;
} Else {
Closemsg = "off ";
}
Var SendData = "mycolor =" + mycolor + "& msgtotal =" + msgtotal + "& mystate =" + mystate + "& allowmsg =" + allowmsg + "& closemsg =" + closemsg;
XmlHttp. open ("POST", "../ichat/chatset. asp", false );
XmlHttp. setRequestHeader ("Content-Type", "application/x-www-form-urlencoded ");
XmlHttp. onreadystatechange = function sendok () {if (xmlHttp. readyState = 4 ){
Alert ('set saved ')
If (ichatstate = "open") {window. location. reload ();}
}}
XmlHttp. send (SendData );

Showmsg ();
Document. getElementById ('layer _ ichatset'). style. display = 'none ';

}

Function openichat (){
Ichatstate = "open"
}

Function closeichat (){
Ichatstate = "close"
}

Function showonlineuser (){
Document. getElementById ('layer _ online'). style. display = 'block ';

Var url = "../ichat/showonline. asp? Pid = "+ Math. random ();
XmlHttp. open ("GET", url, true );
XmlHttp. onreadystatechange = reloadX2;
XmlHttp. send (null );

}

Function reloadX2 (){
If (xmlHttp. readyState = 4 ){
Var response = xmlHttp. responseText;
Document. getElementById ("onlineuser"). innerHTML = response;
}
}

Function readset (){
Document. getElementById ('layer _ ichatset'). style. display = 'block ';

Var url = "../ichat/myset. asp? Pid = "+ Math. random ();
XmlHttp. open ("GET", url, true );
XmlHttp. onreadystatechange = showset;
XmlHttp. send (null );

}

Function showset (){
If (xmlHttp. readyState = 4 ){
Var response = xmlHttp. responseText;
Document. getElementById ("setplan"). innerHTML = response;
}
}

Function setsendto (username ){
If (username = "all "){
Document. getElementById ("sendto"). value = '';
Document. getElementById ("talkwith"). innerHTML = 'all Member ';
} Else {
Document. getElementById ("sendto"). value = username;
Document. getElementById ("talkwith"). innerHTML = username;
}
Var url = "../ichat/checkuser. asp? User = "+ escape (username) +" & pid = "+ Math. random ();
XmlHttp. open ("GET", url, true );
XmlHttp. onreadystatechange = showtips;
XmlHttp. send (null );
}

Function showtips (){
If (xmlHttp. readyState = 4 ){
Var response = xmlHttp. responseText;
Document. getElementById ("userstate"). innerHTML = response;
}
}

Function clearlog (){

If (window. confirm ("are you sure you want to clear all chat records? ") = True)
{
Var url = "../ichat/clearlog. asp? Pid = "+ Math. random ();
XmlHttp. open ("GET", url, true );
XmlHttp. send (null );
}

}

Var ichatwinstate
Ichatwinstate = "max ";

Function min ()
{
Ichatwinstate = (ichatwinstate = "max ")? "Min": "max"

If (ichatwinstate = "min "){
Document. getElementById ('mbody'). style. display = 'none ';
Document. getElementById ('myichat'). height = parseInt (document. getElementById ('ichat _ title'). height );
Document. getElementById ('myichat '). style. top = document. body. clientHeight-parseInt (document. getElementById ("ichat_title "). style. height) + document. body. scrollTop;
} Else {
Document. getElementById ('mbody'). style. display = 'block ';
Iresize ();
}
}

Function closeit (){
Document. getElementById ('myichat'). style. display = 'none ';
}

Function iresize (){
If (ichatwinstate = "min "){
Document. getElementById ('myichat '). style. top = document. body. clientHeight-parseInt (document. getElementById ("ichat_title "). style. height) + document. body. scrollTop-1;
} Else {
Document. getElementById ('myichat '). style. top = document. body. clientHeight + document. body. scrollTop-parseInt (document. getElementById ("mbody "). style. height)-85;
}
}

Var ey = 0, ex = 0, lx = 0, ly = 0, canDrg = false, thiso = null;
Var x, y, rw, rh;

Function dargit (o, e) // Main function
{
Thiso = o;
CanDrg = true;
If (! Document. all)
{
Lx = e. clientX; ly = e. clientY;
}
Else
{
Lx = event. x; ly = event. y;
}
If (document. all) thiso. setCapture ();
Try {}
Catch (e ){}
St (o); // set to the front or back

}
Document. onmousemove = function (e)
{
If (! Document. all) {x = e. clientX; y = e. clientY;} else {x = event. x; y = event. y ;}
If (canDrg)
{
Var ofsx = x-lx;
Thiso. style. left = parseInt (thiso. style. left) + ofsx;
Lx = x;
Var ofsy = y-ly;
Thiso. style. top = parseInt (thiso. style. top) + ofsy;
Ly = y;

// Display data in the status bar
// Window. status = thiso. style. left + "left: top" + thiso. style. top + "rh: rw" + rh + "+" + rw;
}
}

Document. onmouseup = function ()
{
CanDrg = false; // set the drag variable to false.
Try {}
Catch (e ){}
If (document. all & thiso! = Null)
{
// Capture the image in ie;
Thiso. releaseCapture ();
Thiso = null;
}
}

Function st (o)
{

Var p = o. parentNode;
If (p. lastChild! = O)
{
P. appendChild (o );
}
If (rh <= 20 & rw >= 160)
{
CanDrg = false;

If (rw <1, 180)
{
// Set the closing area; // comment out the area if not needed;
// Alert ("close ");
P. removeChild (o)
// RemoveChild (this );

}
Else
{
Window. status = rw + "|" + rh;
If (p. firstChild = o) return;
P. insertBefore (o, p. firstChild );
}
}
}