/************************************************************************************************************
(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 = 'AjaxAddToCart.aspx';
//var url_removeProductFromBasket = 'removeProduct.php';
var txt_totalPrice = 'Total: ';


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;


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(id,name,price,qtty)
{
	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' + id);
	
	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(id,name,price,qtty);
}


function flyToBasket(id,name,price,qtty)
{
	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("+id+",'"+name+"','"+price+"',"+qtty+ ")",10); else showAjaxBasketContent(id,name,price,qtty);
}


function showAjaxBasketContent(id,name,price,qtty)
{
	// Getting a reference to the shopping cart items table
	var itemBox = document.getElementById('shopping_cart_items');
	var itemtable = document.getElementById('shopping_cart_items');
	
	addTableRow(itemtable,id,name,price,qtty);

	addToCartArr(id,name,price,qtty);
	updateTotalPrice();
	setCartCount();
}

function addTableRow(itemtable,id,name,price,qtty){
	// if a product with this id is already in the basket - just add number items
	var row = document.getElementById('shopping_cart_items_product' + id);
	if(row)
		row.cells[0].innerHTML = parseInt(row.cells[0].innerHTML) + (qtty/1);
	else{
		// if product isn't allready in the basket - add a new row
		var tr = itemtable.insertRow(-1);
		tr.id = 'shopping_cart_items_product' + id;
		
		var td = tr.insertCell(-1);
		td.className = 'icnt';
		td.innerHTML = qtty;
		
		var td = tr.insertCell(-1);
		td.innerHTML = name;
		
		var td = tr.insertCell(-1);
		td.className = 'cost';
		td.innerHTML = price;	
		
		var td = tr.insertCell(-1);
		var a = document.createElement('a');
		td.appendChild(a);
		a.href = 'javascript:;';
		a.onclick = new Function("removeProductFromBasket("+id+");");
		var img = document.createElement('img');
		img.src = 'images/remove.gif';
		a.appendChild(img);
	} 
}


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[0].innerHTML.replace(/[^0-9]/g,'') * itemBox.rows[no].cells[2].innerHTML.replace(/[^0-9\.]/g,''));
		}		
		document.getElementById('shopping_cart_totalprice').innerHTML = txt_totalPrice + addCommas(totalPrice.toFixed(2));
	}	
	
}

function removeProductFromBasket(productId,quantity)
{
    if(!quantity) quantity = 1;
	var productRow = document.getElementById('shopping_cart_items_product' + productId);
	
	var numberOfItemCell = productRow.cells[0];
	if((numberOfItemCell.innerHTML/1) <= quantity){
		productRow.parentNode.removeChild(productRow);	
	}else{
		numberOfItemCell.innerHTML = (numberOfItemCell.innerHTML/1) - quantity;
	}
	removeFromCartArr(productId,quantity);
	updateTotalPrice();
	setCartCount();
}

function setCartCount(){
	var cnt = 0;
	for(var i = 0; i<cartArr.length; i++){
		cnt+=cartArr[i].Qtty;
	}
	setTopCartCountSpan(cnt); // ~/js/toffleague.js
}