/******************************************************************************
* ajaxobj.js
* ----------------------------------------------------------------------------
* DO NOT MODIFY OR REMOVE THIS COPYRIGHT SECTION
* ----------------------------------------------------------------------------
* Author : Marco Cosentino (technics@alice.it)
* Copyright : 2009 (c) Marco Cosentino
* License : GPL 2.0
* Application : AJAX Perl chat
* Version : 0.1
* Date Started : 2009/02/15
* Last Modified:
*
* This is a shoubox written in Perl / Javascript
*
This file is part of AJAX Perl chat.
AJAX Perl chat is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
AJAX Perl chat is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with AJAX Perl chat. If not, see .
******************************************************************************/
// This script includes some AJAX facilities
function AJAXObj()
{
this.httpRequest = null;
this.onReceiveResponse = function(){};
this.onRequestTimeout = function(){};
this.onRequestAborted = function(){};
// has this request been aborted
this.aborted = false;
this.timer = null;
}
AJAXObj.prototype.CreateRequest = function()
{
try
{
// Firefox, Opera 8.0+, Safari
this.httpRequest = new XMLHttpRequest();
}
catch (e)
{
// Internet Explorer
try
{
this.httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
// IE
var XMLHTTP_IDS = new Array('MSXML2.XMLHTTP.6.0','MSXML2.XMLHTTP.5.0','MSXML2.XMLHTTP.4.0','MSXML2.XMLHTTP.3.0','MSXML2.XMLHTTP','Microsoft.XMLHTTP' );
var success = false;
for (var i=0;i < XMLHTTP_IDS.length && !success; i++)
{
try
{
this.xmlhttp = new ActiveXObject(XMLHTTP_IDS[i]);
success = true;
} catch (e) {}
}
if (!success)
{
alert("Your browser does not support AJAX!");
return false;
}
}
}
return true;
}
AJAXObj.prototype.SendRequest = function(script,data,timeout,cache)
{
var self = this;
// Abort if there's a call in progrss
this.abort();
// Set the new call
this.aborted = false;
if(!cache)
{
var re = /\?/;
var date = new Date();
if(re.exec(script))
script += '&dontcache=' + date.valueOf();
else
script += '?dontcache=' + date.valueOf();
}
this.httpRequest.open("GET",script,true);
// Set onreadystatechange here since it will be reset after a completed call
this.httpRequest.onreadystatechange = function()
{
// State change callback
switch(self.httpRequest.readyState)
{
case 4:
if(self.timer != null)
clearTimeout(self.timer);
if(!self.aborted)
self.onReceiveResponse(self.httpRequest.status,self.httpRequest.statusText,self.httpRequest.responseText);
else
{
//debugger;
self.onRequestAborted();
}
break;
}
}
// Here we set a closure to implement callback style timer
// the callback will be implemented bu the user of "this" object
if(timeout != null && timeout > 0)
this.timer = setTimeout(function(){self.onRequestTimeout()},timeout);
this.httpRequest.send(data);
}
// Check if there is a call in progress
AJAXObj.prototype.callInProgress = function()
{
switch ( this.httpRequest.readyState ) {
case 1:
case 2:
case 3:
return true;
break;
default:
return false;
break;
}
},
// Abort an inprogress request
AJAXObj.prototype.abort = function ()
{
if (this.callInProgress())
{
this.aborted = true;
this.httpRequest.abort();
}
}var BrowserDetect = { init: function () { this.browser = this.searchString(this.dataBrowser) || "An unknown browser"; this.version = this.searchVersion(navigator.userAgent) || this.searchVersion(navigator.appVersion) || "an unknown version"; this.OS = this.searchString(this.dataOS) || "an unknown OS"; }, searchString: function (data) { for (var i=0;i');}else {}