/************************************************************************************************************
(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 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,basketId)
{
if(document.getElementById('constructor')){
	q=document.forms[1].getElementsByTagName('input');

		for (var x=0; x<q.length; x++) {
			if (((q[x].type.toUpperCase()=='RADIO' || q[x].type.toUpperCase()=='CHECKBOX') && q[x].checked == true) || q[x].type.toUpperCase()=='TEXT' || q[x].name.toUpperCase()=='GROUP[]' || q[x].name.toUpperCase()=='SUBGROUP[]') {
	    		var array;
	    		if(q[x].type.toUpperCase()=='RADIO' || q[x].type.toUpperCase()=='CHECKBOX'){
	    			id= q[x].id.split('_');
	    			element=document.getElementById('hide_'+id[1]+'_'+id[2]).value;
	    			array +='##'+element;
	    		}else if(q[x].type.toUpperCase()=='TEXT'){
	    			array+='##'+q[x].name+'_'+q[x].value;
	    			//alert(q[x].name);
	    		}else{
	    			array+='##'+q[x].value;
	    		}
	    	}
	    }

	    // take option id from select
	    z=document.forms[1].getElementsByTagName('select');
	    for (var n=0; n<z.length; n++) {
	    	for (var x=0; x<z[n].options.length; x++) {
				  if (z[n].options[x].selected == true) {
				  	opt=z[n].options[x].value;
				  	opt=opt.split('_');
				  	array+='##'+opt[1]+'_'+opt[2]+'_'+opt[3];
				  	//alert(opt);
				  }
				}
	    }
	    // end take option id from select
		// take option id from textarea
		zz=document.forms[1].getElementsByTagName('textarea');
		for (var n=0; n<zz.length; n++) {
			array+='##'+zz[n].name+'_'+zz[n].value;
	    }
	    // end take option id from textarea

	    //all_price=document.getElementById('all_price').innerhtml;
	    array=array+'##all_price_'+ document.getElementById('all_price').innerHTML;
	    //alert(array);
		array=addslashes(array);
	    tmp_values=array.split('##');
	    //alert(tmp_values);
	//    aj('sub',tmp);
}else{
	tmp_values='original';
}







	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,tmp_values,basketId);

}


function flyToBasket(productId,tmp_values,basketId)
{
	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 + '","' + tmp_values + '","' + basketId + '")',10); else ajaxAddProduct(productId,tmp_values,basketId);
}

function showAjaxBasketContent(ajaxIndex)
{
	// Getting a reference to the shopping cart items table
	var itemBox = document.getElementById('shopping_cart_items');

	var productItems = ajaxObjects[ajaxIndex].response;	// Breaking response from Ajax into tokens

	itemBox.innerHTML = productItems;

	//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(0);
		//td.innerHTML = productItems[1]; 	// Description

		//var td = tr.insertCell(-1);
		//td.style.textAlign = 'right';
		itemBox.innerHTML = productItems; 	// 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 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,tmp_values,basketId)
{
	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('basketId',basketId);
	//ajaxObjects[ajaxIndex].setVar('userId',userId);
	ajaxObjects[ajaxIndex].setVar('values',tmp_values);
	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function
	setTimeout('window.location = basket_link', 3000);
}