/************************************************************************************************************
(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 = 'ajax.php';
/*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;

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)
{
	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);
	
}


function flyToBasket(productId)
{
	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 + '")',10); else ajaxAddProduct(productId);	
}

function showAjaxBasketContent(ajaxIndex)
{
	// 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('shoping_cart_items_product' + productItems[0])){	// A product with this id is allready in the basket - just add number items
		var row = document.getElementById('shoping_cart_items_product' + productItems[0]);
		var row_cells = row.getElementsByTagName('p');
		var items = row_cells[0].innerHTML /1;
		items = items + 1;
		row_cells[0].innerHTML = items ;
	}else{	// Product isn't allready in the basket - add a new row

		var _li = document.createElement('li');
		_li.id = 'shoping_cart_items_product' + productItems[0]		
		itemBox.appendChild(_li);
		
		var _p = document.createElement('p');
		_p.className = "l";
		_p.innerHTML = '1'; 	// Number of items
		_li.appendChild(_p);

		var _p = document.createElement('p');
		_p.className = "c";
		_p.innerHTML = productItems[1]; 	// Description
		_li.appendChild(_p);

		var _p = document.createElement('p');
		_p.className = "r";
		_p.innerHTML = productItems[2] ; 	// Price	
		_li.appendChild(_p);
								
		var _p = document.createElement('p');
		_p.className = "del";
		var a = document.createElement('A');
		a.href = '#';
		a.onclick = function(){ removeProductFromBasket(productItems[0]); };
		var img = document.createElement('IMG');
		img.src = 'images/remove.gif';
		a.appendChild(img);
		_p.appendChild(a);
		_li.appendChild(_p);

	} 


	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;
	var totalPrice2 = '';

	if(document.getElementById('shopping_cart_totalprice')){
		
		itemBox_rows = itemBox.getElementsByTagName('li');
		
		for(var no=0;no<itemBox_rows.length;no++){

			var itemBox_rows_p = itemBox_rows[no].getElementsByTagName('p');
			
			totalPrice = totalPrice + (itemBox_rows_p[0].innerHTML.replace(/[^0-9]/g) * itemBox_rows_p[2].innerHTML.replace(/[^0-9]/g));

totalPrice2 = totalPrice2 +'\n';
totalPrice2 = totalPrice2 + no + ') ' + itemBox_rows_p[1].innerHTML; 
totalPrice2 = totalPrice2 + ': ' + itemBox_rows_p[0].innerHTML; 
totalPrice2 = totalPrice2 + ' x ' + itemBox_rows_p[2].innerHTML; 

totalPrice2 = totalPrice2 + ' = ' + itemBox_rows_p[0].innerHTML.replace(/[^0-9]/g) * itemBox_rows_p[2].innerHTML ;


		}		
		if(totalPrice.toFixed(2) == '0.00')
		{
			document.getElementById('shopping_cart_totalprice').innerHTML = '';			
		}
		else
		{
			document.getElementById('shopping_cart_totalprice').innerHTML = txt_totalPrice + totalPrice.toFixed(2) + '&euro;';
		}
totalPrice2=totalPrice2 + '\n' + txt_totalPrice + totalPrice.toFixed(2);

		//document.getElementById('haha').innerHTML = ' <input type="hidden" name="order" value=\"'+totalPrice2+ '\" />';

		document.getElementById('haha-input').value = ''+totalPrice2+'';
 
		
	}	
	
}

function removeProductFromBasket(productId)
{
	var productRow = document.getElementById('shoping_cart_items_product' + productId);
	
	productRow_p = productRow.getElementsByTagName('p');
	
	var numberOfItemCell = productRow_p[0];
	
	if(numberOfItemCell.innerHTML == '1'){
		productRow.parentNode.removeChild(productRow);	
	}else{
		numberOfItemCell.innerHTML = numberOfItemCell.innerHTML/1 - 1;
	}
	
	updateTotalPrice();
}

function ajaxAddProduct(productId)
{
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = url_addProductToBasket + '?add=1&productId=' + productId;	// Saving product in this file
	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}