__AJAXCboList = new Array();
__bPageIsStored = false;
__bUnloadStoredPage = false;
__bTracing = false;
__PreviousOnFormSubmit = null;
__PreviousPostBack = null;
__PreviousOnPageLoad = null;
__PreviousOnPageBeforeUnload = null;
__PreviousOnPageUnload = null;
__TraceWindows = new Array();
__ClockID = 0;

function AjaxCallObject()
{
  this.Init();
}

AjaxCallObject.prototype.Init = function()
{
  this.XmlHttp = this.GetHttpObject();
}
 
AjaxCallObject.prototype.GetHttpObject = function()
{ 
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}

AjaxCallObject.prototype.GetAjaxCallType = function(element)
{
	if (element == null)
		return "none";
		
	var attrib = element.getAttribute("AjaxCall");
	if (attrib != null)
		return attrib.toLowerCase();

	if (element.parentNode == null || element.parentNode == document.body)
		return "none";
	else
		return this.GetAjaxCallType(element.parentNode);
}

AjaxCallObject.prototype.HookAjaxCall = function(bPageIsStored, bUnloadStoredPage, bTracing)
{
	__PreviousOnFormSubmit = document.forms[0].onsubmit;
	document.forms[0].onsubmit = this.OnFormSubmit;

	if (typeof __doPostBack != 'undefined')
	{
		__PreviousPostBack = __doPostBack;
		__doPostBack = this.DoPostBack;
	}
	
	__bPageIsStored = bPageIsStored;
	__bUnloadStoredPage = bUnloadStoredPage;
	__bTracing = bTracing;

	if (typeof(RBS_Controls) != "undefined")
	{
		for (var i=0; i < RBS_Controls.length; i++)
			RBS_Controls_Store[i].setAttribute("ExcludeFromPost", "true");
	}

	if ( !bPageIsStored || !bUnloadStoredPage )
	{
		__PreviousOnPageLoad = window.onload;
		window.onload = this.OnPageLoad;

		__PreviousOnPageBeforeUnload = window.onbeforeunload;
		window.onbeforeunload = this.OnPageBeforeUnload;
	}

	__PreviousOnPageUnload = window.onunload;
	window.onunload = this.OnPageUnload;
}

AjaxCallObject.prototype.OnFormSubmit = function()
{
	// Empty the cached html of RenderedByScript controls
	if (typeof(RBS_Controls) != "undefined")
	{
		for (var i=0; i < RBS_Controls.length; i++)
			RBS_Controls_Store[i].value = "";
	}

	var target;
	if ("activeElement"	in document)
	{
		// Internet Explorer
		target = document.activeElement;
	}
	else
	{
		// Firefox
		target = arguments[0] ? arguments[0].explicitOriginalTarget : null;
	}

	if (__PreviousOnFormSubmit != null)
		if ( __PreviousOnFormSubmit() == false )
			return false;

	var cbType = AJAXCbo.GetAjaxCallType(target);
	if (cbType != "none")
	{
		AJAXCbo.DoAjaxCall(target.name, "", cbType);
		return false;
	}
	else
	{
		AJAXCbo.ClearTracingWindows();
		return true;
	}
}

// Replaces normal __doPostBack
AjaxCallObject.prototype.DoPostBack = function(eventTarget, eventArgument)
{
	// Empty the cached html of RenderedByScript controls
	if (typeof(RBS_Controls) != "undefined")
	{
		for (var i=0; i < RBS_Controls.length; i++)
			RBS_Controls_Store[i].value = "";
	}

	var target;
	var elemUniqueID = eventTarget.split("$").join(":");
	var ids = elemUniqueID.split(":");

	// Checks the unique id and its parents until it finds a target element
	// i.e. for ajaxPanel_grid:row:field it checks
	//   ajaxPanel_grid_row_field
	//   ajaxPanel_grid_row
	//   ajaxPanel_grid
	for (var num=ids.length; num > 0; num--)
	{
		var elemID = "";
		for (var i=0; i < num; i++)
			elemID += (i==0 ? "" : "_") + ids[i];
		
		target = document.getElementById(elemID);
		if (target != null)
			break;
	}

	var cbType = AJAXCbo.GetAjaxCallType(target);
	if (cbType != "none")
	{
		AJAXCbo.DoAjaxCall(eventTarget, eventArgument, cbType);
	}
	else
	{
		if (__PreviousPostBack != null)
		{
			__PreviousPostBack(eventTarget, eventArgument);
		}
	}
}

AjaxCallObject.prototype.OnPageLoad = function()
{
	// Restore the html of RenderedByScript controls
	if (typeof(RBS_Controls) != "undefined")
	{
		for (var i=0; i < RBS_Controls.length; i++)
		{
			var html = RBS_Controls_Store[i].value;
			if (html != "")
			{
				RBS_Controls[i].innerHTML = html.substring(5, html.length);
				RBS_Controls_Store[i].value = "";
			}
		}
	}
	if (__PreviousOnPageLoad != null)
		return __PreviousOnPageLoad();
}

AjaxCallObject.prototype.OnPageBeforeUnload = function()
{
	// Save the html of RenderedByScript controls, so that it can be restored for the
	// browser's "Back Button"
	if (typeof(RBS_Controls) != "undefined")
	{
		for (var i=0; i < RBS_Controls.length; i++)
			RBS_Controls_Store[i].value = "HTML:" + RBS_Controls[i].innerHTML;
	}
	if (__PreviousOnPageBeforeUnload != null)
		return __PreviousOnPageBeforeUnload();
}

AjaxCallObject.prototype.OnPageUnload = function()
{
	AJAXCbo.ClearTracingWindows();

	if ( !__bPageIsStored || !__bUnloadStoredPage )
		return;
	
	if (document.forms[0]["__AJAX_PAGEKEY"] == null)
		return;

	var thePage = document.forms[0].action;
	var index = thePage.indexOf("?");
	if (index != -1)
		thePage = thePage.substring(0, index);

	thePage = thePage + "?__AJAX_PAGEUNLOAD=" + encodeURIComponent(document.forms[0]["__AJAX_PAGEKEY"].value);

	var oThis = AJAXCbo;
	__AJAXCboList.push(oThis);
	AJAXCbo = new AjaxCallObject();

	if( oThis.XmlHttp )
	{
		oThis.XmlHttp.open('GET', thePage, true);
		oThis.XmlHttp.onreadystatechange = function(){ };
		oThis.XmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		oThis.XmlHttp.send(null);
	}

	if (__PreviousOnPageUnload != null)
		return __PreviousOnPageUnload();
}
 
AjaxCallObject.prototype.DoAjaxCall = function(eventTarget, eventArgument, ajaxCallType)
{
  var theData = '';
  var theform = document.forms[0];
  var thePage = theform.action;
  var eName = '';

  theData  = '__EVENTTARGET='  + this.EncodePostData(eventTarget.split("$").join(":")) + '&';
  theData += '__EVENTARGUMENT=' + this.EncodePostData(eventArgument) + '&';
  theData += '__AJAXCALL=true&';

  if ( ! __bPageIsStored )
      theData += '__VIEWSTATE=' + this.EncodePostData(theform.__VIEWSTATE.value) + '&';

  for( var i=0; i<theform.elements.length; i++ )
  {
    eName = theform.elements[i].name;
    if( eName && eName != '')
    {
		if( eName == '__EVENTTARGET' || eName == '__EVENTARGUMENT' || eName == '__VIEWSTATE' )
		{
			// Do Nothing
		}
		else if (theform.elements[i].getAttribute("ExcludeFromPost") == null || theform.elements[i].getAttribute("ExcludeFromPost").toLowerCase() != "true")
		{
			var type = theform.elements[i].type;
			var val = theform.elements[i].value;

			if ( type == "submit" || type == "button" )
				continue;

			if ( type == "textarea" )
			{
				// Firefox has the bad habit of altering the "\r\n" of a textarea to "\n",
				// so convert all single "\n" to "\r\n"
				val = val.split("\r\n").join("\n").split("\n").join("\r\n");
			}

			val = this.EncodePostData(val);

			if ( type == "select-multiple" || type == "select-one" )
			{
				for (var j=0; j < theform.elements[i].options.length; j++)
					if (theform.elements[i].options[j].selected)
						theData = theData + this.EncodePostData(eName) + '=' + this.EncodePostData(theform.elements[i].options[j].value) + '&';
			}
			else if ( (type != "checkbox" && type != "radio") || theform.elements[i].checked )
			{
				theData = theData + this.EncodePostData(eName) + '=' + val;
				if( i != theform.elements.length - 1 )
					theData = theData + '&';
			}
		}
    }
  }
  
	if (theData.substr(theData.length-1) == "&")
		theData = theData.substr(0, theData.length-1);
		
	if( this.XmlHttp )
	{		
		if (waitElement)
		{
			waitElement.style.visibility = 'visible';
			MoveWaitElement();
		}

		var oThis = this;
		__AJAXCboList.push(oThis);
		AJAXCbo = new AjaxCallObject();
		
		if (__bTracing)
		{
			this.CreateTracingWindow();
			this.TraceSentData(theData);		
		}

		if( this.XmlHttp.readyState == 4 || this.XmlHttp.readyState == 0 )
		{
			if ( ! ajaxCallType || ajaxCallType.toLowerCase() != "sync")
			{
				// Asynchronous
				this.XmlHttp.open("POST", thePage, true);
				this.XmlHttp.onreadystatechange = function(){ oThis.ReadyStateChange(); };
				this.XmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
				this.XmlHttp.send(theData);
			}
			else
			{
				// Synchronous
				// Use a timeout so that the screen refreshes before getting stack waiting the AjaxCall.
				window.setTimeout(
					function()
					{
						oThis.XmlHttp.open("POST", thePage, false);
						oThis.XmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
						oThis.XmlHttp.send(theData);

						if( oThis.XmlHttp.status == 200 && oThis.XmlHttp.statusText == "OK" )
							oThis.OnComplete(oThis.XmlHttp.responseText, oThis.XmlHttp.responseXML);
						else
							oThis.OnError(oThis.XmlHttp.status, oThis.XmlHttp.statusText, oThis.XmlHttp.responseText);
					}, 1);
			}			
		}
	}
}

AjaxCallObject.prototype.OnLoading = function()
{
  // Loading
}

AjaxCallObject.prototype.OnLoaded = function()
{
  // Loaded
}

AjaxCallObject.prototype.OnInteractive = function()
{
  // Interactive
}

AjaxCallObject.prototype.OnComplete = function(responseText, responseXml)
{
	if (__bTracing)
	{
		this.TraceReceivedData(responseText);		
	}

	// Checking if the data were fully loaded, without being aborted
	var flag = "'AJAX_LOADING_OK';";
	if (responseText.substr(responseText.length - flag.length) != flag)
		return false;

	eval(responseText);

	if (waitElement)		
		waitElement.style.visibility = 'hidden'; 

	return true;
}

AjaxCallObject.prototype.OnAbort = function()
{
	if (__bTracing)
	{
		this.WriteTrace("<b>!!! AjaxCall was aborted !!!</b>");
		this.CloseTrace();
	}

	if (waitElement)		
		waitElement.style.visibility = 'hidden'; 	
}

AjaxCallObject.prototype.OnError = function(status, statusText, responseText)
{
	if (__bTracing)
	{
		this.WriteTrace("<b>!!! Server reported an Error !!!</b>");
		this.CloseTrace();
	}

	if (waitElement)
		waitElement.style.visibility = 'hidden';

	document.close();	// for IE
	document.write(responseText);
	document.close();	// for Firefox
}

AjaxCallObject.prototype.ReadyStateChange = function()
{
  if( this.XmlHttp.readyState == 1 )
  {
    this.OnLoading();
  }
  else if( this.XmlHttp.readyState == 2 )
  {
    this.OnLoaded();
  }
  else if( this.XmlHttp.readyState == 3 )
  {
    this.OnInteractive();
  }
  else if( this.XmlHttp.readyState == 4 )
  {
    if( this.XmlHttp.status == 0 )
      this.OnAbort();
    else if( this.XmlHttp.status == 200 && this.XmlHttp.statusText == "OK" )
      this.OnComplete(this.XmlHttp.responseText, this.XmlHttp.responseXML);
    else
      this.OnError(this.XmlHttp.status, this.XmlHttp.statusText, this.XmlHttp.responseText);   

	// Remove this AJAXCbo from the list
	for (var i=0; i < __AJAXCboList.length; i++)
		if (__AJAXCboList[i] == this)
		{
			__AJAXCboList[i].XmlHttp = null;
			__AJAXCboList.splice(i, 1);
			break;
		}
  }
}

AjaxCallObject.prototype.TraceWindow = null;

AjaxCallObject.prototype.SetIntervalForAjaxCall = function(milliSec)
{
	if (__ClockID != 0)
		this.ClearIntervalForAjaxCall();
	__ClockID = window.setInterval("AJAXCbo.DoAjaxCall('__AJAX_AJAXCALLTIMER','','async')", milliSec);
}

AjaxCallObject.prototype.ClearIntervalForAjaxCall = function()
{
	window.clearInterval(__ClockID);
	__ClockID = 0;
}

AjaxCallObject.prototype.CreateTracingWindow = function()
{
	for (var i=0; i < __TraceWindows.length; i++)
	{
		if (__TraceWindows[i].closed)
		{
			__TraceWindows.splice(i, 1);
			i--;
		}		
	}

	this.TraceWindow = null;
	for (var i=0; i < __TraceWindows.length; i++)
	{
		if (__TraceWindows[i].TraceFinished)
		{
			this.TraceWindow = __TraceWindows[i];
		}		
	}
	
	if (this.TraceWindow == null)
	{
		this.TraceWindow = window.open("","_blank","location=no,resizable=yes,scrollbars=yes");
		__TraceWindows.push(this.TraceWindow);
	}
	this.TraceWindow.TraceFinished = false;
}

AjaxCallObject.prototype.ClearTracingWindows = function()
{
	for (var i=0; i < __TraceWindows.length; i++)
	{
		__TraceWindows[i].close();
		__TraceWindows.splice(i, 1);
		i--;
	}
}

AjaxCallObject.prototype.TraceSentData = function(data)
{
	this.WriteTrace("<b>Ajax Call invoked at " + new Date().toLocaleTimeString() + "<br>");
	if (__bPageIsStored)
		this.WriteTrace("Page Store Mode: Stored (Session or Cache)<br>");
	else
		this.WriteTrace("Page Store Mode: NoStore<br>");
	this.WriteTrace("Form Data sent to server (" + data.length + " characters):<br>");
	this.WriteTrace("------------------------------</b><br>");

	var fields = data.split("&");
	for (var i=0; i < fields.length; i++)
	{
		var parts = fields[i].split("=");
		this.WriteTrace("<b>" + parts[0] + "=</b>");
		this.WriteTrace(this.EncodeTraceData(parts[1]) + "<br>");
	}
		
	this.WriteTrace("<b>------------------------------</b><br>");
	this.WriteTrace("Waiting response from server.....<br>");
}

AjaxCallObject.prototype.TraceReceivedData = function(data)
{
	this.WriteTrace("<b>Server responsed at " + new Date().toLocaleTimeString() + "<br>");
	this.WriteTrace("Javascript code received from server (" + data.length + " characters):<br>");
	this.WriteTrace("------------------------------</b><br>");
	this.WriteTrace(this.EncodeTraceData(data) + "<br>");
	this.WriteTrace("<b>------------------------------</b><br>");
	this.CloseTrace();
}

AjaxCallObject.prototype.WriteTrace = function(text)
{
	this.TraceWindow.document.write(text);
}

AjaxCallObject.prototype.CloseTrace = function()
{
	this.TraceWindow.document.close();
	this.TraceWindow.TraceFinished = true;
}

AjaxCallObject.prototype.EncodeTraceData = function(data)
{
	return data.split("<").join("&lt;").split(" ").join("&nbsp;").split("\r\n").join("<br>");
}

AjaxCallObject.prototype.EncodePostData = function(data)
{
	return data.split("%").join("%25").split("=").join("%3d").split("&").join("%26").split("+").join("%2b");
}

AjaxCallObject.prototype.SetAttributesOfControl = function(clientID, attributes)
{
	var place = document.getElementById(clientID);
	if (place != null && attributes != "")
	{
		var attribs = attributes.split("|");
		for (var i=0; i < attribs.length; i++)
		{
			var parts = attribs[i].split("=");
			place.setAttribute(parts[0], parts[1])
		}
	}
}

AjaxCallObject.prototype.AddElementScript = function(parentID, tagName, elementID, html, beforeElemID)
{
	var place = document.getElementById(parentID);
	var child = (elementID != "") ? document.getElementById(elementID) : null;
	if (place != null && child == null)
	{
		child = document.createElement(tagName);
		child.id = elementID;
		var before = (beforeElemID != null) ? document.getElementById(beforeElemID) : null;
		place.insertBefore(child, before);
		child.innerHTML = html;
	}
	else
		this.SetHtmlOfElementScript (html, elementID);
}

AjaxCallObject.prototype.RemoveElementScript = function(parentID, elementID)
{
	var place = document.getElementById(parentID);
	var child = document.getElementById(elementID);
	if (place != null && child != null)
		place.removeChild(child);
}

AjaxCallObject.prototype.SetFieldScript = function(fieldName, fieldValue)
{
	var field = document.forms[0][fieldName];
	if (field != null)
		field.value = fieldValue;
}

AjaxCallObject.prototype.SetFieldIfEmptyScript = function(fieldName, fieldValue)
{
	var field = document.forms[0][fieldName];
	if (field != null && field.value == '')
		field.value = fieldValue;
}

AjaxCallObject.prototype.SetHtmlOfElementScript = function(html, elementID)
{
	var place = document.getElementById(elementID);
	if (place != null)
		place.innerHTML=html;
}

AjaxCallObject.prototype.SetHtmlOfPage = function(html)
{
	document.close();	// for IE
	document.write(html);
	document.close();	// for Firefox
}

AjaxCallObject.prototype.SetVisibilityOfElement = function(elementID, visible)
{
	var place = document.getElementById(elementID);
	if (place != null)
		place.style.display = (visible) ? "" : "none";
}

AjaxCallObject.prototype.Alert = function(message)
{
	window.alert(message);
}

// It's used by AjaxPanel
AjaxCallObject.prototype.ExtendedSetHtmlOfElementScript = function(html, elementID)
{
	var store = document.createElement("span");
	store.innerHTML = html;
	var spans = store.getElementsByTagName("span");
	for (var i=0; i < spans.length; i++)
	{
		var elem = spans[i];
		if (elem.getAttribute("name") == "__ajaxmark")
		{
			var elemOnPage = document.getElementById(elem.id);
			if (elemOnPage != null)
				elem.innerHTML = elemOnPage.innerHTML;
		}
	}

	var place=document.getElementById(elementID);
	if (place != null)
		place.innerHTML = store.innerHTML;
}

var AJAXCbo = new AjaxCallObject();

// wait element 
CreateWaitElement();
if (window.addEventListener) {
	window.addEventListener('scroll', MoveWaitElement, false);
	window.addEventListener('resize', MoveWaitElement, false);
}
else if (window.attachEvent) {
	window.attachEvent('onscroll', MoveWaitElement);
	window.attachEvent('onresize', MoveWaitElement);
}
var waitElement;
var scrollX, scrollY = -1;
function MoveWaitElement() {
	var scrollYT, scrollXT;
	if (!waitElement)
		CreateWaitElement();
	if (typeof(window.pageYOffset) == "number") { 
		scrollYT = window.pageYOffset; 
		scrollXT = window.pageXOffset; 
	} 
	else if (document.body && document.documentElement && document.documentElement.scrollTop) { 
		scrollYT = document.documentElement.scrollTop; 
		scrollXT = document.body.scrollLeft;
	}
	else if (document.body && typeof(document.body.scrollTop) == "number") { 
		scrollYT = document.body.scrollTop; 
		scrollXT = document.body.scrollLeft; 
	} 
	if (scrollX != scrollXT || scrollY != scrollYT) {
		scrollX = scrollXT;
		scrollY = scrollYT;
		var width = document.body.clientWidth;
		waitElement.style.top = scrollYT + "px";
		waitElement.style.right = -scrollXT +  "px";
	}
}
function CreateWaitElement() {
	var elem = document.getElementById('__AjaxCall_Wait');	
	if (!elem) {		
		elem = document.createElement("div");
		elem.id = '__AjaxCall_Wait';		
		elem.style.position = 'absolute';		
		elem.style.height = 17;		
		elem.border = "1px";
		elem.style.paddingLeft = "3px";
		elem.style.paddingRight = "3px";
		elem.style.fontSize = "11px";
		elem.style.fontFamily="Tahoma";
		elem.style.color="#ffffff";
		elem.style.backgroundColor="Red";
		elem.style.borderColor = "#ffffff";
		elem.style.borderSize = "1px";
		elem.innerHTML = ' Loading MyIFE Data ... ';
		elem.style.visibility = 'hidden';		
		document.body.insertBefore(elem, document.body.firstChild);		
	}
	waitElement = elem;	
}
// end wait element