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

(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 = 'modules/shop/addProduct.php';

var url_removeProductFromBasket = 'modules/shop/removeProduct.php';

var txt_totalPrice;





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,kolvo)

{
	

	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);

	var postfix = kolvo.slice(-1);

	currentProductDiv = document.getElementById('slidingProduct' + productId + '_' + postfix);
	
	

	//	alert(postfix);

	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, kolvo);
	
	








}





function flyToBasket(productId, kolvo)

{
	var kolvo=kolvo;

	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 + '","' + kolvo + '")',10); else ajaxAddProduct(productId,kolvo);

	

}



function showAjaxBasketContent(ajaxIndex,postfix)

{

	// 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] + '_' + postfix)){	// A product with this id is allready in the basket - just add number items

		var row = document.getElementById('shopping_cart_items_product' + productItems[0] + '_' + postfix);

		var items = row.cells[0].innerHTML /1;	

		

		kolvo= document.getElementById('kol_'+ productItems[0]).value;				



		items = items + kolvo*1;

		

		row.cells[0].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] + '_' + postfix;



		var td = tr.insertCell(-1);

		td.innerHTML = document.getElementById('kol_'+ productItems[0]).value;				 	// Number of items

		



		var td = tr.insertCell(-1);

		td.innerHTML = productItems[1]; 	// Description



		var td = tr.insertCell(-1);

		td.style.textAlign = 'center';

		td.innerHTML = productItems[2]; 	// ARTIKUL



		var td = tr.insertCell(-1);

		td.style.textAlign = 'right';

		td.innerHTML = productItems[3];		// Price


		var td = tr.insertCell(-1);

		td.style.textAlign = 'right';

	//	td.style.whiteSpace = 'nowrap';

		td.innerHTML = productItems[4]; 	// Вес
		

	



		var td = tr.insertCell(-1);

		var a = document.createElement('A');

		td.appendChild(a);

		

		a.href = 'javascript:;';

		a.onclick = function(){ removeProductFromBasket(productItems[0]+ '_' + postfix); };

		var img = document.createElement('IMG');

		img.src = 'design/images/remove.gif';
		img.style.border = 'none';
		a.style.border = 'none';

		a.appendChild(img);

		//td.innerHTML = '<a href="#" onclick="removeProductFromBasket("' + productItems[0] + '");return false;"><img src="images/remove.gif"></a>';

	}





	updateTotalPrice();



	ajaxObjects[ajaxIndex] = false;



}



function updateTotalPrice()

{

	var itemBox = document.getElementById('shopping_cart_items');

	// Calculating total price and showing it below the table with basket items

	var totalPrice = 0.00;

	if(document.getElementById('shopping_cart_totalprice')){
		


		for(var no=1;no<itemBox.rows.length;no++){

			totalPrice = totalPrice + (itemBox.rows[no].cells[0].innerHTML.replace(/[^0-9]/g) * parseFloat(itemBox.rows[no].cells[3].innerHTML));
			
		//	alert(parseInt(itemBox.rows[no].cells[3].innerHTML));

		}

		

		if (totalPrice.toFixed(2)==0)
			txt_totalPrice = 'Корзина пуста';
		else
			txt_totalPrice = 'Общая стоимость заказа, руб.: ' + totalPrice.toFixed(2);
		
		//alert(totalPrice.toFixed(2));

		document.getElementById('shopping_cart_totalprice').innerHTML = txt_totalPrice;



	}



}



function removeProductFromBasket(productId)

{

	var productRow = document.getElementById('shopping_cart_items_product' + productId);

	
	var numberOfItemCell = productRow.cells[0];

	if(numberOfItemCell.innerHTML == '1'){
		
		
		productRow.parentNode.removeChild(productRow);
		//document.getElementById('tov_'+productId).style.display='none';
		
		var productId1=productId.slice(0,-2);//без постфикса
		
//		alert(productId1);
		

		
		if (document.getElementById('tov_'+productId1))
		 document.getElementById('tov_'+productId1).style.display='none';
			//element.style.display='none';


	}else{

		numberOfItemCell.innerHTML = numberOfItemCell.innerHTML/1 - 1;


	}

	updateTotalPrice();

	ajaxRemoveProduct(productId);

}



function ajaxValidateRemovedProduct(ajaxIndex)

{

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



}



function ajaxRemoveProduct(productId)

{

	

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

	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function

}



function ajaxAddProduct(productId, kolvo)

{

//	alert(kolvo);

	var postfix = kolvo.slice(-1);

	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('kolvo',kolvo);

	

	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex,postfix); };	// Specify function that will be executed after file has been found

	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function

}