// JavaScript Document

function ajax()
{
   //---------------------
   // Private Declarations
   //---------------------
   var _request = null;
   var _this = null;
       
   //--------------------
   // Public Declarations
   //--------------------
   this.GetResponseXML = function()
   {
      return (_request) ? _request.responseXML : null;
   }
       
   this.GetResponseText = function()
   {
      return (_request) ? _request.responseText : null;
   }
       
   this.GetRequestObject = function()
   {
      return _request;
   }
       
   this.InitializeRequest = function(Method, Uri)
   {
      _InitializeRequest();
      _this = this;
               
      switch (arguments.length)
      {
         case 2:
            _request.open(Method, Uri);
            break;
                               
         case 3:
            _request.open(Method, Uri, arguments[2]);
            break;
      }
      
	//  alert(Method + "\n" + Uri + "\n" + arguments[2] + "\n" + arguments[3]);
      if (arguments.length >= 4) _request.open(Method, Uri, arguments[2], arguments[3]);
      this.SetRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
   }
       
   this.SetRequestHeader = function(Field, Value)
   {
      if (_request) _request.setRequestHeader(Field, Value);
   }
       
   this.Commit = function(Data)
   {
      if (_request) _request.send(Data);
   }
       
   this.Close = function()
   {
      if (_request) _request.abort();
   }
       
   //---------------------------
   // Public Event Declarations.
   //---------------------------
   this.OnUninitialize = function() { };
   this.OnLoading = function() { };
   this.OnLoaded = function() { };
   this.OnInteractive = function() { };
   this.OnSuccess = function() { };
   this.OnFailure = function() { };
       
   //---------------------------
   // Private Event Declarations
   //---------------------------
   function _OnUninitialize() { _this.OnUninitialize(); };
   function _OnLoading() { _this.OnLoading(); };
   function _OnLoaded() { _this.OnLoaded(); };
   function _OnInteractive() { _this.OnInteractive(); };
   function _OnSuccess() { _this.OnSuccess(); };
   function _OnFailure() { _this.OnFailure(); };

   //------------------
   // Private Functions
   //------------------
   function _InitializeRequest()
   {
      _request = _GetRequest();
      _request.onreadystatechange = _StateHandler;
   }
       
   function _StateHandler()
   {
      switch (_request.readyState)
      {
         case 0:
            window.setTimeout("void(0)", 100);
            _OnUninitialize();
            break;
                               
         case 1:
            window.setTimeout("void(0)", 100);
            _OnLoading();
            break;
                               
         case 2:
            window.setTimeout("void(0)", 100);
            _OnLoaded();
            break;
                       
         case 3:
            window.setTimeout("void(0)", 100);
            _OnInteractive();
            break;
                               
         case 4:
            if (_request.status == 200)
               _OnSuccess();
            else
               _OnFailure();
                                       
            return;
            break;
      }
   }
       
   function _GetRequest()
   {
	  
      var obj;
               
      try
      {
         obj = new XMLHttpRequest();
      }
      catch (error)
      {
         try
         {
            obj = new ActiveXObject("Microsoft.XMLHTTP");
         }
         catch (error)
         {
            return null;
         }
      }
               
      return obj;
   }
}




AJAXCall = function()
{
	
	/////////////////  Default Function Don't Change It ///////////////////////////////
	this.divID = null;
	this.methodName = null;
	this.OnSuccess = function()
	{
	 //  alert(this.GetResponseText())
		if(this.divID != "")	{
			//alert(this.divID + "\n" + this.GetResponseText());	
			document.getElementById(this.divID).innerHTML = this.GetResponseText();
		}
		if(this.methodName != "")
			eval(this.methodName);
	}

	this.GetData = function(method,url)
	{
		//alert(url+ "    " +method);
		this.InitializeRequest(method,url);
		this.Commit(null);
	}
	//////////////////////////////////  End /////////////////////////////////////////////
	
	
	////////////////  Hare Define Your Function with same Structure ///////////////////////
	this.callAJAX = function(url,Id,methodName)
	{
       // alert("Chauhan");
		//alert(url+ "   " + Id+ "   " +methodName);
		////////// Method = GET / POST ///////////////////////
		method='POST';
		////////// URL + Parameter ///////////////////////
		//////// DIV Name where you want to Show Responce Text /////////////////////////
		this.divID = Id;
		
		if(methodName!= "")
		{
			this.methodName = methodName;
			
		}
		
		/////////////// By Default Method Call Don't Change it /////////////////
		this.GetData(method,url);
		//////////// End ///////////////////////////////////////
	}
	//////////////////////////////////  End //////////////////////////////////////////
	
}

////////// Create Object with name of Your Module ////////////////
AJAXCall.prototype = new ajax();
requestAjax = new AJAXCall();