//document.writeln ("<SCRIPT type=\"text/javascript\" src=\"AjaxChain.js\"></script>");



//class AjaxChain
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GLOBAL_CHAIN_STACK       = new Array; // массив цепей
var GLOBAL_CHAIN_COUNTER = 0;   // c самого начала цепей вообще нету.

//===================================================================================
//
//===================================================================================
function AjaxChain()
{
 this.chain_number = GLOBAL_CHAIN_COUNTER;
 GLOBAL_CHAIN_COUNTER++;

 try {
 GLOBAL_CHAIN_STACK[this.chain_number]   =  false;  
 if  (window.XMLHttpRequest)  
   GLOBAL_CHAIN_STACK[this.chain_number] =  new  XMLHttpRequest();  
 else  if  (window.ActiveXObject)  
   GLOBAL_CHAIN_STACK[this.chain_number] =  new  ActiveXObject("Microsoft.XMLHTTP");  
}
catch(e) {alert("ERROR IN AjaxChain CONSTRUCTOR (XMLHttpRequestObj was not created) " +  e);}

this.stack         = new Array; // стек возвращаемых getAjax значений. (на самом деле это не стеки, а очереди) !
this.string_stack  = new Array; // стек передаваемых на сервер строк.
this.func_stack    = new Array; // стек функций обработчиков.
this.arg_stack     = new Array; // стек аргументов ф-ий обработчиков.
                             

//this.getAjax  = AjaxChain__getAjax;  // сразу на страницу
this.getAjax = AjaxChain__getAjax;  // только в переменную
}


function AjaxChain__getAjax(string,func_handler)
{
 var tosR = this.stack.length;
 var chain_number = this.chain_number;
 
 var arg = new Array;
 var i; 

  for(i=2;i<arguments.length;i++)
   arg[i-2] = arguments[i]; 

 if(tosR!=0 && this.stack[tosR-1] == 'wait')
 {
  this.string_stack.push(string);
  this.func_stack.push(func_handler);
  this.arg_stack.push(arg);
 }
 else
 {
        this.stack[tosR] = 'wait';
        if(GLOBAL_CHAIN_STACK[chain_number])  
		{  
			GLOBAL_CHAIN_STACK[chain_number].open("GET", string);
			var self = this;
			GLOBAL_CHAIN_STACK[chain_number].onreadystatechange  =  function()  
			{  
				if  (GLOBAL_CHAIN_STACK[chain_number].readyState  ==  4  &&  GLOBAL_CHAIN_STACK[chain_number].status  ==  200)  
				{
					self.stack[tosR]  =  GLOBAL_CHAIN_STACK[chain_number].responseText; // Получить данные с сервера
					//alert(self.stack[tosR]);
					if(tosR!=0)
					 func_handler(self.stack[tosR],arg[0]);                           // вызвать ф-ю обработчик.
					else
					 func_handler(self.stack[tosR],arg);                              // вызвать ф-ю обработчик.
					  
					if(self.string_stack.length!=0)
					 self.getAjax(self.string_stack.shift(),self.func_stack.shift(),self.arg_stack.shift());
					else
					 self.stack = new Array;
					
				}  
				else {}
					//this.stack[tosR]  = 'wait';
			}  
			GLOBAL_CHAIN_STACK[chain_number].send(null);  
		} 
		else
		 alert( "GLOBAL_CHAIN_STACK[" + chain_number + "] has not created! Error in AjaxChain__getAjax2!");
  }
 
}



function add_to_basket(id)
{
//	sLet = theForm.elements[sField].value;
	var price;
	var cmd = "price=document.AddToBasket"+id+".price.value"; eval(cmd);
	W = 	window.open('/cgi-bin/basket_resume.pl?id='+id+'&price='+price,'basket', 'width=210,height=200,toolbar=0,menubar=0,status=0,resizable=1,scrollbars=1');
	W.focus();
}
function open_foto(path)
{
	picture=window.open ('','foto','width=600', 'height=600')
	picture.document.write("<link REL='StyleSheet' HREF='/style.css' type='text/css'><p align=center><img src=\""+path+"\" border=0><br><br><br><a href=# onclick='window.close()'>Закрыть окно</a></p>")
	picture.focus();
}


var XMLHttpRequestObject = false;
if (window.XMLHttpRequest) {
     XMLHttpRequestObject = new XMLHttpRequest();
} else if (window.ActiveXObject) {
     XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
}
function getData(dataSource, divID)
{
   if(XMLHttpRequestObject) {
        var obj = document.getElementById(divID);
        XMLHttpRequestObject.open("GET", dataSource);
        XMLHttpRequestObject.onreadystatechange = function()
        {
             if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) {
                  obj.innerHTML = XMLHttpRequestObject.responseText;
             }
//             else{ obj.innerHTML = '';     }
        }
        XMLHttpRequestObject.send(null);
   }
}