var flyingSpeed = 12;

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)
{
	try
	{
		if(document.getElementById('qty'+productId).value<1)
		{
			alert("Please enter quantity greater than 0");
			document.getElementById('qty'+productId).focus();
			return false;
		}
	}
	catch(e){}
			
			if(!shopping_cart_div)shopping_cart_div = document.getElementById('shopping_cart_div');
			if(!flyingDiv){
				flyingDiv = document.createElement('DIV');
				flyingDiv.style.position = 'absolute';
				document.body.appendChild(flyingDiv);
			}
			
			shopping_cart_x = 856;
			shopping_cart_y = 181;
			
			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 addToBasketEmptiesSystem(productId)
{
	//alert(document.getElementById('qty_vergin'+productId).value);
	//alert(document.getElementById('qty_nonvergin'+productId).value);
	try
	{
		if(document.getElementById('qty'+productId).value<1 )
		{
			alert("Please enter  quantity greater than 0");
			document.getElementById('qty'+productId).focus();
			return false;
		}
		
	}
	catch(e){}
			
			if(!shopping_cart_div)shopping_cart_div = document.getElementById('shopping_cart_div');
			if(!flyingDiv){
				flyingDiv = document.createElement('DIV');
				flyingDiv.style.position = 'absolute';
				document.body.appendChild(flyingDiv);
			}
			
			shopping_cart_x = 856;
			shopping_cart_y = 181;
			
			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 + '")',15);
}