/************************************************************************************************************
(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 = 8;
var shopping_cart_div = false;
var flyingDiv = false;
var currentProductDiv = false;
var shopping_cart_x = false;
var shopping_cart_y = false;
var shopping_cart_width = false;
var shopping_cart_height = false;
var slide_xFactor = false;
var slide_yFactor = false;
var diffX = false;
var diffY = false;
var diffWidth = false;
var diffHeight = false;
var flytime = false;
var theForm = false;
var currentXPos = false;
var currentYPos = false;
var currentWidth = false;
var currentHeight = false;
//var origScale = 100;
//var currentScale = 100;
//var origOpacity = 100;
//var currentOpacity = 100;

var ajaxObjects = new Array();
var dropdown = false;
var op = 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 shoppingCart_getWidth(inputObj)
{
  children = inputObj.getElementsByTagName("IMG");
  if (children.length>0) inputObj = children[0];
  var returnValue = inputObj.offsetWidth;
//  while((inputObj = inputObj.offsetParent) != null){
//  	if(inputObj.tagName!='HTML')returnValue += inputObj.offsetWidth;
//  }
  return returnValue;
}

function shoppingCart_getHeight(inputObj)
{
  children = inputObj.getElementsByTagName("IMG");
  if (children.length>0) inputObj = children[0];
  var returnValue = inputObj.offsetHeight;
//  while((inputObj = inputObj.offsetParent) != null){
//  	if(inputObj.tagName!='HTML')returnValue += inputObj.offsetHeight;
//  }
  return returnValue;
}



function addToBasket(imageDiv,basketId,form) {
  theForm = form;
  var shopping_cart_div = document.getElementById(basketId);
  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);
  shopping_cart_width = shoppingCart_getWidth(shopping_cart_div);
  shopping_cart_height = shoppingCart_getHeight(shopping_cart_div);
  
  currentProductDiv = document.getElementById(imageDiv);
  currentXPos = shoppingCart_getLeftPos(currentProductDiv);
  currentYPos = shoppingCart_getTopPos(currentProductDiv);
  currentWidth = shoppingCart_getWidth(currentProductDiv);
  currentHeight = shoppingCart_getHeight(currentProductDiv);
  diffX = shopping_cart_x - currentXPos;
  diffY = shopping_cart_y - currentYPos;
  diffWidth = shopping_cart_width - currentWidth;
  shopping_cart_height = (shopping_cart_width * currentHeight)/currentWidth
  diffHeight = shopping_cart_height - currentHeight;
  var shoppingContentCopy = currentProductDiv.cloneNode(true);
  shoppingContentCopy.id='clone';
  flyingDiv.style.zIndex = 10000000;
  flyingDiv.innerHTML = '';
  flyingDiv.style.left = currentXPos + 'px';
  flyingDiv.style.top = currentYPos + 'px';
  flyingDiv.appendChild(shoppingContentCopy);
  flyingDiv.style.display='block';
  flyingDiv.style.border = '0px groove #999999';
  shoppingContentCopy.style.width='70px';
  flyToBasket(imageDiv,theForm);
  
}

function flyToBasket(productId)
{
	var maxDiff = Math.max(Math.abs(diffX),Math.abs(diffY));
	var moveX = (diffX / maxDiff) * flyingSpeed;
	var moveY = (diffY / maxDiff) * flyingSpeed;
	var flyingScaleSpeed = Math.max(Math.abs(diffX)/moveX,Math.abs(diffY)/moveY);
	var moveWidth = (diffWidth / flyingScaleSpeed);
	var moveHeight = (diffHeight / flyingScaleSpeed);
	//alert("MoveX=" + moveX + ", MoveY=" + moveY + ", MaxDiff=" + maxDiff + ", MoveWidth=" + moveWidth + ", MoveHeight=" + moveHeight + ", MaxScale=" + maxScale);
	if(moveWidth < 0){
		moveWidth=moveWidth*(-1);
	}
	if(moveHeight < 0){
		moveHeight=moveHeight*(-1);
	}
	currentXPos = currentXPos + moveX;
	currentYPos = currentYPos + moveY;
	currentWidth = currentWidth - moveWidth;
	currentHeight = currentHeight - moveHeight;

	flyingDiv.style.left = Math.round(currentXPos) + 'px';
	flyingDiv.style.top = Math.round(currentYPos) + 'px';

	flyingDivChildren = flyingDiv.getElementsByTagName("IMG");
	flyingDivImage = flyingDivChildren[0];

	flyingDivImage.style.width = Math.round(currentWidth) + 'px';
	flyingDivImage.style.height = Math.round(currentHeight) + '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 {
		document.getElementById(theForm).submit();
	}
}