/************************************************************************************************************
(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 a1,b1,c1;
var flyingSpeed = 25;
var url_addProductToBasket = 'add-product.php';
var url_removeProductFromBasket = 'removeProduct.php';
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(medid,qty,pos)
{
document.getElementById("object").style.display = '';
			
			if(qty.length<1)
			{							
				alert("Please Enter Qty.");
				eval("document.form3.Qty" + pos + ".focus()");
				return false;
			}			
			
			
		
	a1=medid;
	b1=qty;
	
		
	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' + a1);
	
	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(a1,b1);
	
}


function flyToBasket(a1,b1)
{
	
	
	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("' + a1 + '","' + b1 + '")',10); else ajaxAddProduct(a1,b1);	
}

function showAjaxBasketContent(ajaxIndex)
{
	
	////first slide down and blink the alert box
//    $("#object").animate({ 
//        top: "159px"
//      }, 2000 ).fadeOut(100).fadeIn(100).fadeOut(100).fadeIn(100).fadeOut(100).fadeIn(100).fadeOut(100).fadeIn(100);
//   
//   //close the message box when the cross image is clicked 
//   $("#close_message").click(function()
//	{
//	   $("#object").fadeOut("slow");
//	});
	/*alert(ajaxObjects[ajaxIndex].response);*/
	// 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[1].innerHTML /1;
		items = items + parseFloat(productItems[1]);
		row.cells[1].innerHTML = items;
		//row.cells[3].innerHTML = (items*productItems[1]).toFixed(2);	
	}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.style.textAlign = 'left';
		td.style.fontFamily = 'verdana';
		/*td.style.textFont = 'verdana';*/
		td.style.fontSize = '11px';
		td.style.backgroundColor = '#DFDFDF';
		td.innerHTML = productItems[0]; 	// Items Name
		
		//var td = tr.insertCell(-1);
//		td.style.textAlign = 'right';
//		td.style.textFont = 'verdana';
//		td.style.fontSize = '11px';
//		td.style.backgroundColor = '#DFDFDF';
//		td.innerHTML = productItems[1]; 	// Price
		
		var td = tr.insertCell(-1);
		td.style.textAlign = 'center';
		td.style.fontFamily = 'verdana';
		td.style.fontSize = '11px';
		td.style.backgroundColor = '#DFDFDF';
		td.innerHTML = productItems[1]; 	// Qty
		
		//var td = tr.insertCell(-1);
//		td.style.textAlign = 'left';
//		td.style.textFont = 'verdana';
//		td.style.fontSize = '11px';
//		td.style.backgroundColor = '#DFDFDF';
//		td.innerHTML = productItems[3]; 	// Total Price	
		
		var td = tr.insertCell(-1);
		var a = document.createElement('A');
		td.appendChild(a);
		td.style.textAlign = 'center';
		td.style.backgroundColor = '#DFDFDF';
		a.href = '#';
		
		a.onclick = function(){ removeProductFromBasket(productItems[0],productItems[1]); };
		var img = document.createElement('IMG');
		img.src = 'images/remove.gif';
		img.width = '15';
		img.height = '12';
		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 + parseFloat(itemBox.rows[no].cells[3].innerHTML);
			
		}		
		document.getElementById('shopping_cart_totalprice').innerHTML = txt_totalPrice + totalPrice.toFixed(2);
		
		
	}	
	
}
	
function removeProductFromBasket(a1,b1)
{

	var productRow = document.getElementById('shopping_cart_items_product' + a1);
	
	var numberOfItemCell = productRow.cells[1];
	
	
	//var numberOfItemCell2 = productRow.cells[1];
	//var numberOfItemCell3 = productRow.cells[3];
	
		productRow.parentNode.removeChild(productRow);	
	//}else{
		//numberOfItemCell.innerHTML = numberOfItemCell.innerHTML/1 - 1;
		//numberOfItemCell3.innerHTML = (parseFloat(numberOfItemCell.innerHTML)*parseFloat(numberOfItemCell2.innerHTML)).toFixed(2);
	//}
	//updateTotalPrice();
	//ajaxRemoveProduct(a1,numberOfItemCell.innerHTML);
	ajaxRemoveProduct(a1,b1);
	
}

function ajaxValidateRemovedProduct(ajaxIndex)
{
	
	if(ajaxObjects[ajaxIndex].response!='OK')alert('Error while removing product from the database');
	
}

function ajaxRemoveProduct(a1,b1)
{
	
		
	
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = url_removeProductFromBasket;	// Saving product in this file
	ajaxObjects[ajaxIndex].setVar('medid',a1);
	ajaxObjects[ajaxIndex].setVar('qty',b1);
	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(a1,b1)
{		
		
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = url_addProductToBasket;	// Saving product in this file
	ajaxObjects[ajaxIndex].setVar('medid',a1);	
	ajaxObjects[ajaxIndex].setVar('qty',b1);
	//alert(ajaxObjects[ajaxIndex].setVar('jobid',jobid));
	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}