/**
*  web.alive 2009 - hatko
*  Initilization code
*/
// Define webalive server specific values	
var WAServerVars = {
"ServerTitle":    'webalive server', "MicroInstallerName":    'microsetup-web.alive-client.exe',
"versionString":  '2.0beta.8', "buildNumber":  'b568',
"downloadLocation": 'http://downloads.projectchainsaw.com/fci/',
"controlName": 'WebPlugin.WebPluginControl.2.0beta.8',
"appDir": "Tipontia-1.0-b575",		
"controlClassID": 'CLSID:688787DD-DD40-4847-A5E8-AF1EF6AE33A3', "mimeType": 'application/x-webalive-2.0beta.8'
}
var xa="";  /* don't like globals like this ... Ali code */
/*
Script and css dynamic cross-domain loading object. Supports one callback once all scripts have been loaded.
*/
function WALoaderObj(parameter){
// Paramters
WALoaderObj.prototype.element = parameter; /* Loading context document */
this.WAJavaScriptArray = new Array(); /* Array to track all parallel script loads */
this.InvokerCallback = function(){alert("undefined callback");}; /* Overwritten callback to be done once all scripts are loaded */
}
/*
Add script to list of scripts to be injected
*/
WALoaderObj.prototype.WAAddScript = function(scriptSource)
{
this.WAJavaScriptArray.push({'file':scriptSource, 'status':'0'});
}
/*
Call to inject scripts
*/
WALoaderObj.prototype.WAInjectScripts = function(callback)
{
// Setup callback inside loader object
this.InvokerCallback = callback;
for (var i = 0, len=this.WAJavaScriptArray.length; i<len; ++i)
{
// Call to inject script
this.WAInjectScript(this.element, this.WAJavaScriptArray[i].file, i, "text/javascript");
}
}
/*
Script injection tracking callback
*/
WALoaderObj.prototype.WAGenericCallback = function(arrayIndex)
{
// check is any elements remain to be loaded	
this.WAJavaScriptArray[arrayIndex].status = '1';
var arlen = this.WAJavaScriptArray.length;
for (var i = 0, len=this.WAJavaScriptArray.length; i<len; ++i)
{
//check status of each element
if (this.WAJavaScriptArray[i].status == '0')
{
return;
}
}	
this.InvokerCallback();
}
/*
Logic to inject scripts into DOM
*/ 
WALoaderObj.prototype.WAInjectScript = function(element, url, scriptID ,myType)
{
var headID = element.getElementsByTagName("head")[0]; 
if (!headID) { return; }
// IE detection
var ver = this.WAGetInternetExplorerVersion();
// Script Injection
var script = element.createElement('script');
script.type = myType;
script.src = url;
var myObj = this; // make a copy for event callback context
// Setup tracker handlers
if (script.readyState){  //IE
script.onreadystatechange = function(){
if (script.readyState == "loaded" ||
script.readyState == "complete"){
script.onreadystatechange = null;
myObj.WAGenericCallback(scriptID);	
}
};
} else {  //Others
script.onload = function () 
{ //FF and Opera ONLY
myObj.WAGenericCallback(scriptID);		
} 
}
if ( ver > -1 )
{
//element.body.appendChild(script);
headID.appendChild(script);
return;
}
// FF and Chrome
headID.appendChild(script);
}
/*
Logic to inject CSS into DOM
*/
WALoaderObj.prototype.WAInjectStylesheet = function(urlPath)
{
var head = this.element.getElementsByTagName('head')[0];  
var tag = this.element.createElement('link');  
tag.setAttribute('rel', 'stylesheet');
tag.setAttribute('type', 'text/css');
tag.setAttribute('href', urlPath);
head.appendChild(tag);
}
/*
Utility function  to get browser version
*/
WALoaderObj.prototype.WAGetInternetExplorerVersion = function()
// Returns the version of Internet Explorer or a -1
// (indicating the use of another browser).
{
var rv = -1; // Return value assumes failure.
if (navigator.appName == 'Microsoft Internet Explorer')
{
var ua = navigator.userAgent;
var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
if (re.exec(ua) != null)
rv = parseFloat( RegExp.$1 );
}
return rv;
}
/*
Called from customer page to start web.alive
*/
function WAStart()
{
var WALoaderObjInstance;
WAUrlVars.WebServerFQDN = WAUrlVars.WebServerFQDN.replace(/\//g, "");
WALoaderObjInstance= new WALoaderObj(this.document);
WALoaderObjInstance.WAInjectStylesheet("http://" +  WAUrlVars.WebServerFQDN + "/" + WAServerVars.appDir + "/_css/WACustomerStyles.css");
WALoaderObjInstance.WAAddScript("http://" + 	WAUrlVars.WebServerFQDN + "/" + WAServerVars.appDir +'/javascript/lib/x.js');
WALoaderObjInstance.WAAddScript("http://" + 	WAUrlVars.WebServerFQDN + "/" + WAServerVars.appDir +'/javascript/WACustomerSpecific.js');
WALoaderObjInstance.WAInjectScripts(function(){
xa = new xAnimation(); //don't like globals like this ... Ali code
window.onresize = onWindowResize; // this setts resize for the system message code ... kind of ugly. ... Ali code
WAStartApp();
});
}