var flyingSpeed = 15;
var url_addProductToBasket = 'template/components/stocklistingaddtobasket.jsp';

var txt_totalPrice = 'Total: ';

var shopping_cart_div = false;
var flyingDiv = false;
var currentProductDiv = false;
var currentQtyInput = false;
var qty = 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_getRightPos(inputObj,flyingObj)
{
  var returnValue = inputObj.offsetLeft + inputObj.offsetWidth - flyingObj.offsetWidth;
  while((inputObj = inputObj.offsetParent) != null){
  	if(inputObj.tagName!='HTML')returnValue += inputObj.offsetLeft;
  }
  return returnValue;
}
	

function addToBasket(type,seq)
{
	shopping_cart_div = document.getElementById('ajaxFrameBasket');

	currentQtyInput = document.getElementById('qtyPlusMinus'+seq);
	qty = currentQtyInput.value;

	if(!shopping_cart_div) {
		ajaxAddProduct(type,seq,qty);
	} else {
		if(!flyingDiv){
			flyingDiv = document.createElement('DIV');
			flyingDiv.style.position = 'absolute';
			document.body.appendChild(flyingDiv);
		}
	
		currentProductDiv = document.getElementById('slidingProduct' + seq);

		shopping_cart_x = shoppingCart_getRightPos(shopping_cart_div,currentProductDiv);
		shopping_cart_y = shoppingCart_getTopPos(shopping_cart_div);

		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.border = 'solid #0000FF 1px';
		flyingDiv.style.display='block';
		flyingDiv.style.width = currentProductDiv.offsetWidth + 'px';
		flyToBasket(type,seq,qty);
	}
}


function flyToBasket(type,seq,qty)
{
	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("'+type+'","'+seq+'","'+qty+'")',10); else ajaxAddProduct(type,seq,qty);	
}

function showAjaxBasketContent(ajaxIndex,type,seq,qty)
{
	new Ajax.Updater('ajaxFrameBasket', 'basketarea.jsp?ajaxFrameBasket=true',{evalScripts: true}); 
	if (type == 3) {  // product page
		new Ajax.Updater('stockindicator', 'template/components/stockdetailstockindicator.jsp?type='+type+'&seq='+seq+'&stockindicator=true',{evalScripts: true}); 	
		new Ajax.Updater('productsubdetail', 'template/components/stockdetailoptionsqtyaddtobasket.jsp?type='+type+'&seq='+seq+'&productsubdetail=true',{evalScripts: true}); 	
		new Ajax.Updater('pagevalidationmessageajax', 'template/components/stockdetailvalidation.jsp?type='+type+'&seq='+seq+'&pagevalidationmessageajax=true',{evalScripts: true}); 	
	} else {  		// category page
		new Ajax.Updater('ajaxStockListingQuantityArea'+seq, 'template/components/stocklistingquantityarea.jsp?type='+type+'&seq='+seq+'&ajaxStockListingQuantityArea'+seq+'=true',{evalScripts: true}); 	
	}
	shopping_cart_div = document.getElementById('ajaxFrameBasket');

	ajaxObjects[ajaxIndex] = false;		
	
}

function ajaxAddProduct(type,seq,qty)
{
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = url_addProductToBasket;	// Saving product in this file
	ajaxObjects[ajaxIndex].setVar('type',type);
	ajaxObjects[ajaxIndex].setVar('seq',seq);
	ajaxObjects[ajaxIndex].setVar('qty',qty);
	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex,type,seq,qty); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}