/************************************************************************************************************
(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 = 20;
var url_addProductToBasket = '';//'addAJAX.php?action=favoriteAdd&id=';
var url_removeProductFromBasket = '';//'addAJAX.php?action=favoriteDelete&id=';
var txt_totalPrice = 'Total: ';


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)
{
    url_addProductToBasket = '/addAJAX.php?action=favoriteAdd&id=';

    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('vacancy' + 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);
    document.getElementById('vacancy' + productId).innerHTML = 'Added to Favourites <a href="#" onclick="removeProductFromBasket('+productId+');return false;" title="Click to remove this job from your favourite jobs (in My Account)">Remove</a>';
    if (document.getElementById('no_favourites')){
        document.getElementById('no_favourites').innerHTML = Number(document.getElementById('no_favourites').innerHTML)+1
    }
}

function removeProductFromBasket(productId)
{
    url_removeProductFromBasket = 'addAJAX.php?action=favoriteDelete&id=';
    ajaxRemoveProduct(productId);   
    document.getElementById('vacancy' + productId).innerHTML = '+ <a href="#" onclick="addToBasket('+productId+');return false;" title="Click to add this job to your favourite jobs (in My Account)">Add to Favourite Jobs</a>';
    if (document.getElementById('no_favourites')){
        document.getElementById('no_favourites').innerHTML = Number(document.getElementById('no_favourites').innerHTML)-1
    }
}

function addToCompare(productId)
{
    url_addProductToBasket = '/addAJAX.php?action=compareAdd&id=';
    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('compare' + 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);
    document.getElementById('compare' + productId).innerHTML = 'Comparing <a href="#" onclick="removeFromCompare('+productId+');return false;" title="Click to remove this job from your compare list (in My Account)">Remove</a>';
    if (document.getElementById('no_compare')){
        document.getElementById('no_compare').innerHTML = Number(document.getElementById('no_compare').innerHTML)+1
    }
}

function removeFromCompare(productId)
{
    url_removeProductFromBasket = 'addAJAX.php?action=compareDelete&id=';
    ajaxRemoveProduct(productId);   
    document.getElementById('compare' + productId).innerHTML = '+ <a href="#" onclick="addToCompare('+productId+');return false;" title="Click to add this job to your compare list (in My Account)">Add to Compare list</a>';
    if (document.getElementById('no_compare')){
        document.getElementById('no_compare').innerHTML = Number(document.getElementById('no_compare').innerHTML)-1
    }
}

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 = items + 1;
        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 = '1';     // 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);
        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()
{
    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);
            
        }       
        document.getElementById('shopping_cart_totalprice').innerHTML = txt_totalPrice + totalPrice.toFixed(2);
        
    }   
    
}


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+productId; // 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+productId;  // Saving product in this file
    ajaxObjects[ajaxIndex].setVar('productId',productId);
    //ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex); };    // Specify function that will be executed after file has been found
    ajaxObjects[ajaxIndex].runAJAX();       // Execute AJAX function        
}