var flyingSpeed = 25;
var url_addProductToBasket = '/addProduct.php';
var url_removeProductFromBasket = '/removeProduct.php';
var txt_totalPrice = 'Сумма: ';


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 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,enab)
{
	//alert(productId+'+'+productId);
	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';
	//count=count/1;
	//if (count>0)
	*/
	ajaxAddProduct(productId,count);
	

}

/*function flyToBasket(productId,count,enab)
{
	if (enab!='false')
{	
	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+'","'+enab+'")',10);
		else ajaxAddProduct(productId,count);
}
else ajaxAddProduct(productId,count);
	//if(flyingDiv.style.display=='block')setTimeout('flyToBasket("' + productId + '")',10); else ajaxAddProduct(productId,count);	
}*/

function showAjaxBasketContent(ajaxIndex,count)
{
	//alert(count);
	// 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[1])){	// A product with this id is allready in the basket - just add number items
		var row = document.getElementById('shopping_cart_items_product' + productItems[1]);
		var items = row.cells[1].innerHTML /1;
		count=count/1;
		//if (count>0)
		items = items + count;
		var temps=count/1;
		//temps=temps.toFixed(3);
		//items=items.toFixed(3);
		//if (temps>0) 
		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[1]
		
		//alert('productItems[0]='+productItems[0]);
		//alert('productItems[1]='+productItems[1]);
		//alert('productItems[2]='+productItems[2]);
		//alert('productItems[3]='+productItems[3]);
		
		
		var td = tr.insertCell(-1);
		var a = document.createElement('A');
		td.appendChild(a);
		a.href = 'javascript:void()';
		a.onclick = function(){ addToBasket(productItems[1],1,'false'); };
		var img = document.createElement('IMG');
		img.src = '/img/plus.gif';
		a.appendChild(img);
	
		var t=document.createElement('TABLE');
		td.appendChild(t);
		
		
		
		
		var b = document.createElement('A');
		td.appendChild(b);
		b.href = 'javascript:void()';
		b.onclick = function(){ removeProductFromBasket(productItems[1],0); };
		var img1 = document.createElement('IMG');
		img1.src = '/img/minus.gif';
		b.appendChild(img1);
	
	
	    
		
		var td = tr.insertCell(-1);
		td.innerHTML = productItems[4];  	// Number of items
		
		
		var td = tr.insertCell(-1);
		td.innerHTML = productItems[2]; 	// Description
		
		
		//korzz = document.getElementById("korzz").value;
		/*alert(korzz);
		if (korzz == 35)
		{
			var td = tr.insertCell(-1);
		    td.innerHTML = '<img class="foto_ramka2" src="/upload-files/foto/product/'+productItems[5]+'" width="227" height="227">';   //Foto
		}*/
			
		var td = tr.insertCell(-1);
		td.style.textAlign = 'right';
		td.innerHTML = productItems[3]; 	// Price	
		
		
		//updateTotalPrice();
		//alert ('price='+productItems[3]);
		
		//jjj = jjj + 1;
		
		
		//alert(productItems[5]);
		
		var td = tr.insertCell(-1);
		var a = document.createElement('A');
		td.appendChild(a);
		a.href = 'javascript:void()';
		a.onclick = function(){ removeProductFromBasket(productItems[1],1); };
		var img = document.createElement('IMG');
		img.src = '/img/krestik.gif';
		a.appendChild(img);
		//td.innerHTML = '<a href="#" onclick="removeProductFromBasket("' + productItems[0] + '");return false;"><img src="images/remove.gif"></a>';	
		
		
		
	} 

     //alert(1);
	updateTotalPrice();
	
	ajaxObjects[ajaxIndex] = false;		
	
}

function updateTotalPrice()
{//alert(1);
	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++){
			if (itemBox.rows[no].cells[1].innerHTML>0) 
			{
			totalPrice = totalPrice + (itemBox.rows[no].cells[1].innerHTML * itemBox.rows[no].cells[3].innerHTML);
			//alert(itemBox.rows[no].cells[1].innerHTML);
			}
		}		
		
		if(totalPrice.toFixed(2)>=200)
		  document.getElementById('korz_sub').innerHTML = "<a href='/korzina.php'> Оформить заказ &rarr;</a>";
		else
		  document.getElementById('korz_sub').innerHTML = "Минимальная сумма заказа 200 грн.";
		  
		document.getElementById('shopping_cart_totalprice').innerHTML = txt_totalPrice + totalPrice.toFixed(2);
		
	}	
	
}

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

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

function ajaxRemoveProduct(productId,All)
{
	//alert('productId='+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].setVar('all',All);
	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)
{//alert(count)
	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].onCompletion = function(){ showAjaxBasketContent(ajaxIndex,count); };	// Specify function that will be executed after file has been found
	//if (count>0)
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}