function dkTal(n){
  n += "";
  if(!n.match(/^-?\d+([,\.]\d+)*$/)){
    alert("fejl");
    return "";
  }

  decs = (Math.pow(10,2)+"").substring(1);

  if(n.indexOf(".")>n.indexOf(",") && n.indexOf(",")>-1 || n.indexOf(",")!=n.lastIndexOf(",")){
    n = n.replace(/,/g,"");
  }else if(n.indexOf(",")>-1 || n.indexOf(".")!=n.lastIndexOf(".")){
    n = n.replace(/\./g,"").replace(/,/g,".");
  }

  if(n.indexOf(".")==-1 && n.indexOf(",")==-1){
                      return ins1000Sep(n + "," + decs);
                      }

  n = Math.round(+n*Math.pow(10,2))/Math.pow(10,2)+"";
  n += n.indexOf(".")>-1 ? decs : "." + decs;
  n = n.substring(0,n.indexOf(".") + 3);
  return ins1000Sep(n.replace(/\./,","));
}


function ins1000Sep(v){
  v = v.split(",");
  v[0] = v[0].split("").reverse().join("");
  v[0] = v[0].replace(/(\d{3})/g,"$1.");
  v[0] = v[0].split("").reverse().join("");
  v[0] = v[0].replace(/^(-?)\./,"$1");
  return v.join(",");
}


var flyingSpeed = 10;
if (navigator.appName=="Microsoft Internet Explorer" && (navigator.userAgent.indexOf("compatible; MSIE 8.0")>0)) {
	flyingSpeed = 20;
}
var url_addProductToBasket = 'handleProduct.asp?sid='+Math.random();
var url_removeProductFromBasket = 'handleProduct.asp?sid='+Math.random();
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 pausecomp(millis)
{
	var date = new Date();
	var curDate = null;
	do { curDate = new Date(); }
	while(curDate-date < millis);
}

function addToBasket(productId, antal,md5value)
{
if ( navigator.userAgent.indexOf("Safari") > 0 ) {
	pausecomp(100);
}
//alert(" addToBasket( " + productId + " , " + antal + " , "+ md5value + ")");//DEBUG
	if(isNaN(antal)){
		alert('Ikke gyldig værdi du vil ligge i kurven');
		return false;
	}

	if(!shopping_cart_div)
		shopping_cart_div = document.getElementById('shopping_cart');
	if(!flyingDiv){
		flyingDiv = document.createElement('DIV');
		flyingDiv.style.position = 'absolute';
		flyingDiv.style.zIndex = 5;
		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;

	//Her springer vi flyveturen over
	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, antal,md5value);
}

var temp = 0;
function flyToBasket(productId,antal,md5value)
{
if (temp==0){
//alert("flyToBasket("+ productId +" , " + antal + " , " + md5value + ")");
temp = 1;
}
	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 + '","'+antal+'","'+md5value+'")',10);
	else
		opdaterKurv(productId,md5value,antal)
}

function showAjaxBasketContent(ajaxIndex,antal,md5value)
{
//alert("showAjaxBasketContent("+ajaxIndex+" , "+ antal + " , " +md5value + ")");

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


	alert("AJAX: " + ajaxObjects[ajaxIndex]);
	alert("URLString: " + ajaxObjects[ajaxIndex].URLString);
	alert("response: " + ajaxObjects[ajaxIndex].response);
	alert("responseXML: " + ajaxObjects[ajaxIndex].responseXML);
	alert("responseStatus[0]: " + ajaxObjects[ajaxIndex].responseStatus[0]);
	alert("responseStatus[1]: " + ajaxObjects[ajaxIndex].responseStatus[1]);

	var productItems = ajaxObjects[ajaxIndex].response.split('|||');	// Breaking response from Ajax into tokens

	if(document.getElementById('shop_produkt' + productItems[0])){	// A product with this id is allready in the basket - just add number items
		var row = document.getElementById('shop_produkt' + productItems[0]);
//		var prices = row.cells[2].innerHTML;
		items = productItems[2];
//		prices = productItems[3]
		row.cells[2].innerHTML = parseFloat(productItems[3]).toFixed(2);;
		row.cells[1].innerHTML = items;
	}else{	// Product isn't allready in the basket - add a new row
		var tr = itemBox.insertRow(-1);
		tr.id = 'shop_produkt' + productItems[0]

/* DEDUG
alert(productItems[0]);//id
alert(productItems[1]);//beskrivelse
alert(productItems[2]);//antal
alert(productItems[3]);//sum
alert(productItems[4]);//md5
*/

		var td = tr.insertCell(-1);
		td.className ='kurvprodukt';
		td.innerHTML = productItems[1]; 	// Description

		var td = tr.insertCell(-1);
		td.className ='kurvantal';
		td.innerHTML = antal; 	// Number of items

		var td = tr.insertCell(-1);
		td.className ='kurvpris';
		myprice=parseFloat(productItems[3]).toFixed(2);
		td.innerHTML = myprice; 	// Price

		var td = tr.insertCell(-1);

		//alert(td.innerHTML);


		td.innerHTML = '<a href="#" onclick="removeProductFromBasket('+productItems[0]+',\''+productItems[4]+'\');return false;"><img src="http://www.duddine.dk/images/remove.png"></a>';
	}
	updateTotalPrice();
	ajaxObjects[ajaxIndex] = false;
	alert("slutter");
}

function updateTotalPrice()
{
//alert("updateTotalPrice");

	var itemBox = document.getElementById('shopping_cart_items');
	// Calculating total price and showing it below the table with basket items
	var totalPrice = 0;
	if($('.shopping_cart_totalprice')){

		var myCount = 0

		for(var no=myCount;no<itemBox.rows.length;no++){
			//alert((itemBox.rows[no].cells[2].innerHTML));
			prislinie=itemBox.rows[no].cells[2].innerHTML
			prislinie=prislinie.replace(/\./,"")
			prislinie=prislinie.replace(/\,/,".")
			//prislinie=parseFloat(prislinie);
			//alert(prislinie + "--" +parseFloat(prislinie));
			totalPrice = totalPrice + (1* (prislinie));
		}

		$('.shopping_cart_totalprice').html(dkTal(totalPrice)+'&nbsp;'+'DKK');
		if(totalPrice<=0){
			document.getElementById('shop_produkt_samlet').style.display = "none";
			document.getElementById('tomkurv').style.display = "none";
			document.getElementById('shopping_cart_pay').style.display = "none";
			document.getElementById('kurvenertom').style.display = "block";
		}else{
			document.getElementById('shop_produkt_samlet').style.display = "block";
			document.getElementById('tomkurv').style.display = "block";
			document.getElementById('shopping_cart_pay').style.display = "block";
			document.getElementById('kurvenertom').style.display = "none";
		}

	}

}

function removeProductFromBasket(productId, md5value)
{
//alert("removeProductFromBasket( "+productId+"--"+md5value+")");

	var productRow = document.getElementById('shop_produkt' + productId);

	var numberOfItemCell = productRow.cells[1];
	if(numberOfItemCell.innerHTML == '1'){
		productRow.parentNode.removeChild(productRow);
	}else{
		numberOfItemCell.innerHTML = numberOfItemCell.innerHTML/1 - 1;
	}
	updateTotalPrice();
	ajaxRemoveProduct(productId,md5value);

}

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

}

function ajaxRemoveProduct(productId,md5value)
{
//alert("ajaxRemoveProduct( "+productId+" - "+md5value+ ")");

	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = url_removeProductFromBasket;	// Saving product in this file
	ajaxObjects[ajaxIndex].setVar('productId',productId);
	ajaxObjects[ajaxIndex].setVar('md5value',md5value);
	ajaxObjects[ajaxIndex].setVar('actiontype','remove');
	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,antal,md5value)
{
//alert("ajaxAddProduct "+productId+", "+antal+", "+md5value);
	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('antal',antal);
	ajaxObjects[ajaxIndex].setVar('md5value',md5value);
	ajaxObjects[ajaxIndex].setVar('actiontype','add');
	
	
	

	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex,antal,md5value); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function
}


var xmlHttp

//opdaterKurv('116491','92147d65402dfb4840b2d10385aa4abc',document.getElementById("p116491").value)
function opdaterKurv(produktid,md5value,antal){
//alert("opdaterKurv " + produktid+', '+md5value+', '+antal);
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null){
		alert ("Browser does not support HTTP Request");
		return;
	}

	if(antal==-1 && produktid==0){
		var str= 'productId='+produktid + '&actiontype=delete&antal='+ antal +'&md5value='+md5value;


	}
	else if(antal==-1){
		var str= 'productId='+produktid + '&actiontype=remove&antal='+ antal +'&md5value='+md5value;


	}
	else{
		var str= 'productId='+produktid + '&actiontype=add&antal='+ antal +'&md5value='+md5value;
	}

	var url="http://www.duddine.dk/addins/modules/shop/module_shop_xmldata_001.asp"
	url=url+"?"+str
	url=url+"&sid="+Math.random()

	//document.getElementById("kurvliniestatus").innerHTML=url;
//alert('Do:'+url);
	xmlHttp.onreadystatechange=function(){
		stateChanged(produktid,md5value);
	}


	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	//alert('slut:'+url);

}

function stateChanged(produktid,md5value){
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
//alert("stateChanged "+produktid+", "+md5value+", "+xmlHttp.readyState);
		xmlDoc=xmlHttp.responseXML;

		//alert('for '+xmlDoc);
		//alert('Debugging '+xmlDoc.xml);
//alert('Debugging responseText '+xmlHttp.responseText);
		//document.getElementById("kurvliniestatus").innerHTML=xmlHttp.status;
		//document.getElementById("kurvliniestatus").innerHTML='stateChanged';
		//alert(produktid);
		var produktid=xmlDoc.getElementsByTagName("produktid")[0].childNodes[0].nodeValue;
//xmlDoc.getElementsByTagName("title")[0].childNodes[0].nodeValue
		var produktnavn=xmlDoc.getElementsByTagName("produktnavn")[0].childNodes[0].nodeValue;
		var liniepris=xmlDoc.getElementsByTagName("liniepris")[0].childNodes[0].nodeValue;
		var antal=xmlDoc.getElementsByTagName("antal")[0].childNodes[0].nodeValue;
		//var produktnavn=$("#n"+produktid).val();
		//var liniepris=$("#s"+produktid).val();
		updKurvProduktLinie(produktid,produktnavn,antal,liniepris,md5value);
		updateTotalPrice();
	}
}

function GetXmlHttpObject(){
//alert("GetXmlHttpObject");
	var objXMLHttp=null
	if (window.XMLHttpRequest){
		objXMLHttp=new XMLHttpRequest();
	}else if (window.ActiveXObject){
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	return objXMLHttp;
}

function removeByID(id){
//alert("removeByID "+id);
var el;
if((el=document.getElementById(id)) && el.parentNode){
el.parentNode.removeChild(el);
}
}

//Sletter alle rækker i en tabel minus den første (i>-1)
function deleteallRows(mytable)
{

		var myCount = 0

	var rowCount = mytable.rows.length;
   for(i=rowCount-1; i >= myCount; i--)
       mytable.deleteRow(i);
}



function updKurvProduktLinie(produktid, produktnavn, antal, liniepris,md5value){
//document.getElementById("kurvliniestatus").innerHTML="updKurvProduktLinie()";
//alert("updKurvProduktLinie "+produktid+', '+ produktnavn+', '+ antal+', '+ liniepris);
	var itemBox = document.getElementById('shopping_cart_items');

	if(md5value.length<=3){
		alert('Du har desværre ikke aktiveret cookies, som indkøbskurven kræver\n\nDu kan aktiverer cookies på følgende måde:\n\n1.) Vælg Internetindstillinger i menuen Funktioner. \n\n2.) Klik på fanen Beskyttelse af personlige oplysninger for at ændre dine cookie-indstillinger.\n\n3.) Klik på knappen Standard, eller flyt skyderen til indstillingen -Mellem-\n\n4.) Når du ser siden igen skal du trykke opdater eller "F5" for at genindlæse siden.');
	}
	else if(antal<=0 && produktid==0){
		deleteallRows(itemBox);

//		alert('Kurven er blevet tømt'+antal+'-'+produktid);
	}
	else if(antal<=0){
		var productRow = document.getElementById('shop_produkt' + produktid);
		var numberOfItemCell = productRow.cells[1];
		//alert(numberOfItemCell.innerHTML);

		productRow.parentNode.removeChild(productRow);
	}
	else{
		if(document.getElementById('shop_produkt' + produktid)){	// A product with this id is allready in the basket - just add number items
			var row = document.getElementById('shop_produkt' + produktid);
		row.cells[0].innerHTML = antal+'x';
		row.cells[1].innerHTML = produktnavn.substring(0,12)+'..';
		row.cells[2].innerHTML = liniepris;

		}
		else{
			var tr = itemBox.insertRow(-1);
			tr.id = 'shop_produkt' + produktid
		var td = tr.insertCell(-1);
		td.className ='kurvantal';
		td.innerHTML = String(antal) + 'x';
		var td = tr.insertCell(-1);
		td.className ='kurvprodukt';
		td.title =produktnavn;
		td.innerHTML = produktnavn.substring(0,12)+'..';
		var td = tr.insertCell(-1);
		td.className ='kurvpris';
		td.innerHTML = liniepris;
		var td = tr.insertCell(-1);
		td.className ='kurvfjern';
		td.innerHTML = '<a href="#" onClick="opdaterKurv(\'' + produktid + '\',\''+ md5value +'\','+ -1 +');return false;"><img src="http://www.duddine.dk/images/remove.png"></a>';

		}
	}
}