/************************************************************************************************************
(C) www.dhtmlgoodies.com, March 2006

This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	

Terms of use:
You are free to use this script as long as the copyright message is kept intact. However, you may not
redistribute, sell or repost it without our permission.

Version:
	1.0	Released	March. 3rd 2006

Thank you!

www.dhtmlgoodies.com
Alf Magne Kalleland

************************************************************************************************************/

var flyingSpeed = 25;
var url_addProductToBasket = 'http://www.denznaki.com.ua/shopping_cart/addProduct.php';
var url_removeProductFromBasket = 'http://www.denznaki.com.ua/shopping_cart/removeProduct.php';
var txt_totalPrice = '<b>Всего: ';


var shopping_cart_div = false;
var flyingDiv = false;
var currentProductDiv = false;

var shopping_cart_x = false;
var shopping_cart_y = false;

var slide_xFactor = false;
var slide_yFactor = false;

var diffX = false;
var diffY = false;

var currentXPos = false;
var currentYPos = false;

var ajaxObjects = new Array();


function shoppingCart_getTopPos(inputObj)
{		

  var returnValue = inputObj.offsetTop;
  while((inputObj = inputObj.offsetParent) != null){
  	if(inputObj.tagName!='HTML')returnValue += inputObj.offsetTop;
  }
  return returnValue;
}

function shoppingCart_getLeftPos(inputObj)
{


  var returnValue = inputObj.offsetLeft;
  while((inputObj = inputObj.offsetParent) != null){
  	if(inputObj.tagName!='HTML')returnValue += inputObj.offsetLeft;
  }
  return returnValue;
}
	

function addToBasket(productId,count,razdel_id,sid)
{
	if(!shopping_cart_div)shopping_cart_div = document.getElementById('shopping_cart');
	if(!flyingDiv){
		flyingDiv = document.createElement('DIV');
		flyingDiv.style.position = 'absolute';
		document.body.appendChild(flyingDiv);
	}
	
	shopping_cart_x = shoppingCart_getLeftPos(shopping_cart_div);
	shopping_cart_y = shoppingCart_getTopPos(shopping_cart_div);

	currentProductDiv = document.getElementById('slidingProduct' + productId);
	
	currentXPos = shoppingCart_getLeftPos(currentProductDiv);
	currentYPos = shoppingCart_getTopPos(currentProductDiv);
	
	diffX = shopping_cart_x - currentXPos;
	diffY = shopping_cart_y - currentYPos;
	

	
	var shoppingContentCopy = currentProductDiv.cloneNode(true);
	shoppingContentCopy.id='';
	flyingDiv.innerHTML = '';
	flyingDiv.style.left = currentXPos + 'px';
	flyingDiv.style.top = currentYPos + 'px';
	flyingDiv.appendChild(shoppingContentCopy);
	flyingDiv.style.display='block';
	flyingDiv.style.width = currentProductDiv.offsetWidth + 'px';
	flyToBasket(productId,count,razdel_id,sid);
	
}


function flyToBasket(productId,count,razdel_id,sid)
{

	var maxDiff = Math.max(Math.abs(diffX),Math.abs(diffY));
	var moveX = (diffX / maxDiff) * flyingSpeed;;
	var moveY = (diffY / maxDiff) * flyingSpeed;	
	
	currentXPos = currentXPos + moveX;
	currentYPos = currentYPos + moveY;
	
	flyingDiv.style.left = Math.round(currentXPos) + 'px';
	flyingDiv.style.top = Math.round(currentYPos) + 'px';	
	
	
	if(moveX>0 && currentXPos > shopping_cart_x){
		flyingDiv.style.display='none';		
	}
	if(moveX<0 && currentXPos < shopping_cart_x){
		flyingDiv.style.display='none';		
	}
		
	if(flyingDiv.style.display=='block')
	setTimeout('flyToBasket(' + productId + ','+count+','+razdel_id+',"'+sid+'")',10); 
	else ajaxAddProduct(productId,count,razdel_id,sid);	
}

function showAjaxBasketContent(ajaxIndex,sid,razdel_id)
{
	// Getting a reference to the shopping cart items table
	var itemBox = document.getElementById('shopping_cart_items');
	
	var productItems = ajaxObjects[ajaxIndex].response.split('|||');	// Breaking response from Ajax into tokens
	
	
	
	if(document.getElementById('shopping_cart_items_product' + productItems[0]))
	{	// A product with this id is allready in the basket - just add number items
		var row = document.getElementById('shopping_cart_items_product' + productItems[0]);
		var items = row.cells[1].innerHTML /1;
		items = (items*1) + (productItems[3]*1);
		row.cells[1].innerHTML = items;
	}
	else{	// Product isn't allready in the basket - add a new row
		var tr = itemBox.insertRow(-1);
		tr.id = 'shopping_cart_items_product' + productItems[0]
		
		
		//0		
		var td = tr.insertCell(-1);
		var str=productItems[1];
		//if (str.length()>10)
		//td.innerHTML=str.substr(1,10); 	// Description
		//else
		td.innerHTML ="<a title='' style=\"cursor:help;\" id=aaa"+productItems[0]+">"+str+"</a>"; 	// Description
		td.className="shopping_cart_td";
		
		//1
		var td = tr.insertCell(-1);
		td.innerHTML = productItems[3]*1; 	// Number of items
		td.className="shopping_cart_td";
		
		//2
		var td = tr.insertCell(-1);
		td.style.textAlign = 'left';
		td.className="shopping_cart_td";
		td.innerHTML = productItems[2]; 	// Price	
		
		//3
		var td = tr.insertCell(-1);
		td.className="shopping_cart_td";
		var a = document.createElement('A');
		td.appendChild(a);
		a.href = '#';
		a.title='Убрать из корзины';
		a.onclick = function(){ removeProductFromBasket(productItems[0],sid,razdel_id); };
		var img = document.createElement('IMG');
		img.src = 'http://www.kplusk.test.ru/shopping_cart/images/remove.gif';
		a.appendChild(img);
		//сохраняем полное название
/*		var td = tr.insertCell(-1);
		td.style.textAlign = 'left';
		td.className="shopping_cart_td";
		td.innerHTML="<input type=\"text\" id=\"nnn"+productItems[0]+"\" style=\"display:none;\" value=\""+productItems[4]+"\">";
*/		
		document.getElementById('aaa'+productItems[0]).title=productItems[4];

		
		
	} 
	updateTotalPrice();
	ajaxObjects[ajaxIndex] = false;		
	
	window.location.reload( true );

}
function formatCurrency(num) {
num = num.toString().replace(/\$|\,/g,'');
if(isNaN(num))
num = "0";
sign = (num == (num = Math.abs(num)));
num = Math.floor(num*100+0.50000000001);
cents = num%100;
num = Math.floor(num/100).toString();
if(cents<10)
cents = "0" + cents;
for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
num = num.substring(0,num.length-(4*i+3))+' '+
num.substring(num.length-(4*i+3));
return (((sign)?'':'-') + '' + num + '.' + cents);
}
function updateTotalPrice()
{
	var itemBox = document.getElementById('shopping_cart_items');
	// Calculating total price and showing it below the table with basket items
	var totalPrice = 0;
	if(document.getElementById('shopping_cart_totalprice'))
	{
		for(var no=1;no<itemBox.rows.length;no++)
		{
		totalPrice = totalPrice + (itemBox.rows[no].cells[1].innerHTML.replace(/[^0-9]/g) * itemBox.rows[no].cells[2].innerHTML);
		}

		
		
		document.getElementById('shopping_cart_totalprice').innerHTML = txt_totalPrice + formatCurrency(totalPrice) + '&nbsp;грн.';
	}	
}	

function removeProductFromBasket(productId,sid,razdel_id)
{
	var productRow = document.getElementById('shopping_cart_items_product' + productId);
	var numberOfItemCell = productRow.cells[1];
	if(numberOfItemCell.innerHTML == '1')
	{
		productRow.parentNode.removeChild(productRow);	
	}else
	{
		numberOfItemCell.innerHTML = numberOfItemCell.innerHTML/1 - 1;
	}
	updateTotalPrice();
	ajaxRemoveProduct(productId,sid,razdel_id);	
}

function ajaxValidateRemovedProduct(ajaxIndex)
{
	if(ajaxObjects[ajaxIndex].response!='OK')alert('Error while removing product from the database');
	
}

function ajaxRemoveProduct(productId,sid,razdel_id)
{
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = url_removeProductFromBasket;	// Saving product in this file
	ajaxObjects[ajaxIndex].setVar('productIdToRemove',productId);
	ajaxObjects[ajaxIndex].setVar('sid',sid);
	ajaxObjects[ajaxIndex].setVar('razdel_id',razdel_id);
	

	ajaxObjects[ajaxIndex].onCompletion = function(){ ajaxValidateRemovedProduct(ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}

function ajaxAddProduct(productId,count,razdel_id,sid)
{

	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = url_addProductToBasket;	// Saving product in this file
	ajaxObjects[ajaxIndex].setVar('productId',productId);
	ajaxObjects[ajaxIndex].setVar('count',count);
	ajaxObjects[ajaxIndex].setVar('razdel_id',razdel_id);
	ajaxObjects[ajaxIndex].setVar('sid',sid);
	
	
	
	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex,sid,razdel_id); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}