/************************************************************************************************************
(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 = 15;
var url_addProductToBasket = '/addBook.php';
var url_removeProductFromBasket = '/removeProduct.php';
var txt_totalPrice = 'Всего: ';
//var txt_Currency = money_name_of;

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)
{
	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('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 + '")',10); else ajaxAddProduct(productId);	
}

function showAjaxBasketContent(ajaxIndex)
{
	// Getting a reference to the shopping cart items table
	// Тут показывается новая корзина
	
	// alert(ajaxObjects[ajaxIndex].response);

	var itemBox = document.getElementById('shopping_cart_items');
	var productItems = ajaxObjects[ajaxIndex].response.split('|||');	// Breaking response from Ajax into tokens
	
	//alert(productItems[0]);
	if(document.getElementById('shoping_cart_items_product' + productItems[0])){	// A product with this id is allready in the basket - just add number items
		var row = document.getElementById('shoping_cart_items_product' + productItems[0]);
		var items = row.cells[1].innerHTML /1;
		items = items + 1;
		row.cells[1].innerHTML = items;
	}else{	// Product isn't allready in the basket - add a new row
		var tr = itemBox.insertRow(-1);
		tr.id = 'shoping_cart_items_product' + productItems[0]
		
		var td = tr.insertCell(-1);
		td.innerHTML = '<a href="http://www.bookdk.com/books/'+productItems[0]+'/">'+productItems[1]+'</a>'; 	// Description

		var td = tr.insertCell(-1);
		td.style.textAlign = 'center';
		td.innerHTML = '1'; 	// Number of items
		
		var td = tr.insertCell(-1);
		td.style.textAlign = 'center';
		td.innerHTML = productItems[2]; 	// Price	
		
		var td = tr.insertCell(-1);
		var a = document.createElement('A');
		td.appendChild(a);
		a.href = '#';
		a.innerHTML="<img src='/images/delete.gif' border='0'>";
		a.onclick = function(){ removeProductFromBasket(productItems[0]);return false; };
		//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[1].innerHTML.replace(/[^0-9]/g) * itemBox.rows[no].cells[2].innerHTML);
			
		}		
		document.getElementById('shopping_cart_totalprice').innerHTML = txt_totalPrice + Math.round(totalPrice*100)/100+ txt_Currency;
	}	
}

function removeProductFromBasket(productId)
{	//alert(productId);
	var productRow = document.getElementById('shoping_cart_items_product' + productId);
	var numberOfItemCell = productRow.cells[1];
	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)
{	//alert(url_removeProductFromBasket + '?productIdToRemove=' + productId);
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = url_removeProductFromBasket + '?productIdToRemove=' + productId;	// Saving product in this file
	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=' + productId+"&Money_Type="+Money_Type; // Saving product in this file
	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}

function FormatNum(num){
		var newNum = num;
		var str = '';
		var zeros = '';
		while (newNum >= 1){
			if((newNum-newNum%1000)/1000>0){
				if(newNum%1000 >= 100)
					zeros = '';
				else if(newNum%1000 >= 10)
					zeros = '0'
				else if(newNum%1000 >= 1)
					zeros = '00';
				else zeros = '000';
			}else zeros = '';
			str =  (((newNum-newNum%1000)/1000 > 0)? ',':'') + zeros + ((newNum%1000 != 0 )?newNum%1000:'') + str;
			newNum = (newNum - newNum%1000)/1000;
		}
		return str;
	}


// Here is a place for global JS Functions


function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=0,width=720,height=480');");
}

function ShowKB()
{ var virtual_keyboard=document.getElementById('virtual_keyboard');
  switch (virtual_keyboard.style.display)
  { case 'none' :
		virtual_keyboard.style.display='block';
	break;
	default:
		virtual_keyboard.style.display='none';
	break;
  }
}

function kbpush(value)
{
  var search_box = document.getElementById('search_box');
  //insertAtCaret (search_box , value)
  search_box.value=search_box.value+value;
}

function OpenAdvSearch()
{ if (document.getElementById('advanced_search').style.display=="none")
    document.getElementById('advanced_search').style.display="block";
  else
   { document.getElementById('advanced_search').style.display="none";
     document.getElementById('date_arrive').value=0;
     document.getElementById('order_by_type').value=0;
   }
}

function ShowAdvSearch()
{ var yourQS = location.search;yourQS = location.search.substring(1);var pairs = yourQS.split("&");
  var _GET=Array();for(var i=0; i<pairs.length; i++){var tmpAry = pairs[i].split("=");_GET[tmpAry[0]]=tmpAry[1];}
  if (_GET['date_arrive']>0||_GET['order_by_type']>0)
  { document.getElementById('advanced_search').style.display='block';
    document.getElementById('date_arrive').value=_GET['date_arrive'];
    document.getElementById('order_by_type').value=_GET['order_by_type'];
  }
}