/************************************************************************************************************
(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 = './components/addProduct.php';
var url_removeProductFromBasket = './components/removeProduct.php';
var txt_totalPrice = 'Kokonaishinta: ';
var txt_ege = ' €';

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 parents = new Array();

var ajaxObjects = new Array();


function numbersonly(myfield, e, dec)
{
var key;
var keychar;

if (window.event)
   key = window.event.keyCode;
else if (e)
   key = e.which;
else
   return true;
keychar = String.fromCharCode(key);

// control keys
if ((key==null) || (key==0) || (key==8) || 
    (key==9) || (key==13) || (key==27) )
   return true;

// numbers
else if ((("0123456789").indexOf(keychar) > -1))
   return true;

// decimal point jump
else if (dec && (keychar == "."))
   {
   myfield.form.elements[dec].focus();
   return false;
   }
else
   return 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 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);
	}
	
	

	currentProductDiv = document.getElementById('tuote' + productId);
		

	

	ajaxAddProduct(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('shopping_cart_items_product' + productItems[0])){	// A product with this id is allready in the basket - just add number items
		var row = document.getElementById('shopping_cart_items_product' + productItems[0]);
		var items = row.cells[0].innerHTML /1;
		items = productItems[3];
		row.cells[0].innerHTML = items;
	}else{	// Product isn't allready in the basket - add a new row
		var tr = itemBox.insertRow(-1);
		tr.id = 'shopping_cart_items_product' + productItems[0]
		
		var td = tr.insertCell(-1);
		td.innerHTML = productItems[3]; 	// Number of items
		
		var td = tr.insertCell(-1);
		td.innerHTML = productItems[1]; 	// Description
		
		var td = tr.insertCell(-1);
		td.style.textAlign = 'right';
		td.innerHTML = productItems[2]; 	// Price	
		
		var td = tr.insertCell(-1);
		td.innerHTML = productItems[0]; 	// Id	
						
		var td = tr.insertCell(-1);
		var a = document.createElement('A');
		td.appendChild(a);
		a.href = '#';
		a.onclick = function(){ removeProductFromBasket(productItems[0]); };
		var img = document.createElement('IMG');
		img.src = 'images/remove.gif';
		a.appendChild(img);
		//td.innerHTML = '<a href="#" onclick="removeProductFromBasket("' + productItems[0] + '");return false;"><img src="images/remove.gif"></a>';	
	} 


	updateTotalPrice();
	
	ajaxObjects[ajaxIndex] = false;		
	
}

function updateTotalPrice()
{
	if(document.getElementById('Kuljetus3').selected){
		var kuljetus = 80;
	}else if(document.getElementById('Kuljetus2').selected || document.getElementById('Kuljetus22').selected){
		var kuljetus = 40;	
		}
		else {var kuljetus = 0;}
		
	
	
	var itemBox = document.getElementById('shopping_cart_items');
	// Calculating total price and showing it below the table with basket items
	var totalPrice = kuljetus;
	
	var kuljetuslisamaksu = false;
	
	if(document.getElementById('hinta')){
		for(var no=1;no<itemBox.rows.length;no++){

				if(document.getElementById('TiskaaItse2').selected){
					totalPrice = totalPrice + (itemBox.rows[no].cells[0].innerHTML.replace(/[^0-9]/g) * itemBox.rows[no].cells[2].innerHTML) * '1.15';
				}else{
					totalPrice = totalPrice +  (itemBox.rows[no].cells[0].innerHTML.replace(/[^0-9]/g) * itemBox.rows[no].cells[2].innerHTML);	
				}
				
				if(parents[itemBox.rows[no].cells[3].innerHTML.replace(/[^0-9]/g, "")] == 34){
					kuljetuslisamaksu = true;
				}
		}	
		
		if(kuljetuslisamaksu == true){
			totalPrice = totalPrice+(kuljetus/2);
		}
		document.getElementById('hinta').innerHTML = totalPrice.toFixed(2) + txt_ege;
		
	}	


}



function removeProductFromBasket(productId)
{
	var productRow = document.getElementById('shopping_cart_items_product' + productId);
	
	var numberOfItemCell = productRow.cells[0];
	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)
{
	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('Maara', document.getElementById('tuote' + productId).value);
	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}