/************************************************************************************************************
(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 = 10;
var url_addProductToBasket = 'shoppingcartadditem.aspx';
var url_removeProductFromBasket = 'trolleyremoveproduct.aspx';
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,qtyvalue,stockid,optionvalues)
{    
    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,qtyvalue,stockid,optionvalues);
}


function flyToBasket(productId,qtyvalue,stockid,optionvalues)
{    
	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 + '",'+qtyvalue+',"'+stockid+'","'+optionvalues+'")',10); else ajaxAddProduct(productId,qtyvalue,stockid,optionvalues);	
}

function showAjaxBasketContent(ajaxIndex)
{
	// Getting a reference to the shopping cart items table
	//var itemBox = document.getElementById('shopping_cart_items');
//	if (document.getElementById('tblMsg'))
//	{
//	    document.getElementById('tblMsg').style.display='none';
//	}
	var productItems = ajaxObjects[ajaxIndex].response.split('|||');	// Breaking response from Ajax into tokens
	updateTotalPrice(productItems[0],productItems[1]);
	
	ajaxObjects[ajaxIndex] = false;		
	
}

function updateTotalPrice(elem1,elem2)
{
	//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);			
			//totalPrice = totalPrice + (itemBox.rows[no].cells[2].innerHTML * 1  );			
		//}		
		//document.getElementById('shopping_cart_totalprice').innerHTML = txt_totalPrice + totalPrice.toFixed(2);	
		//document.getElementById('LblTotal1').innerHTML = txt_totalPrice + totalPrice.toFixed(2);	
	//}	

    document.getElementById('ctl00_LtrQty').innerHTML = elem1;
    document.getElementById('ctl00_LtrTotal').innerHTML = elem2;
}

function removeProductFromBasket(productId)
{
	var productRow = document.getElementById('shopping_cart_items_product' + productId);
	
	var numberOfItemCell = productRow.cells[0];
	productRow.parentNode.removeChild(productRow);
//	if(numberOfItemCell.innerHTML == '1'){
//		productRow.parentNode.removeChild(productRow);	
//	}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,qtyvalue,stockid,optionvalues)
{    //alert(productId)
	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('qty',qtyvalue);
	ajaxObjects[ajaxIndex].setVar('stockid',stockid);
	ajaxObjects[ajaxIndex].setVar('optionvalues',optionvalues);
	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
	
}

function ajaxGetRelatedItems(productId)
{    
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = 'trolleygetrelated.aspx';	// Saving product in this file
	ajaxObjects[ajaxIndex].setVar('productId',productId);	
	ajaxObjects[ajaxIndex].onCompletion = function(){ showRelatedContent(ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}

function showRelatedContent(ajaxIndex)
{
	document.getElementById('RelatedItem').style.display='block';
	//alert(ajaxObjects[ajaxIndex].response)
	RelatedItem.innerHTML = ajaxObjects[ajaxIndex].response;	
	ajaxObjects[ajaxIndex] = false;	
}
