var isGecko = navigator.userAgent.indexOf('Gecko') != -1;

var hasChanges = false;
function setHasChanges(changed)
{
	hasChanges = changed;
	if($('changesmade'))
		$('changesmade').style.display = hasChanges ? "block" : "none";
}

/** webshop specific **/	
function setShippingTypesEnabled(id, checkbox)
{
	document.getElementById('shippingTypesRow_' + id).style.display = checkbox.checked ? "block" : "none";
}

function setPaymentMethodEnabled(id, checkbox)
{
	document.getElementById('paymentMethodRow_' + id).style.display = checkbox.checked ? "block" : "none";
}

function createPayerPaymentWindow(url)
{
	var win = window.open(url,"payer_paymentwindow","status=1,toolbar=0,width=720,height=650");
}

/** basket specific **/

function updateProduct(select)
{
	var i = select.selectedIndex;
	var o = select[i];
	var price = o.getAttribute("price");
	$('priceHeader').innerHTML = price;
}

function bbhover(hover, button)
{
	button.className = hover?"buybuttonh":"buybutton";
}

function postBuyForm(buyForm)
{
	var form = document.getElementById("basketform");
	if(!form) return(true);
	var throbber = document.createElement('img');
	throbber.className = 'throbber';
	throbber.style.width = '16px';
	throbber.style.height = '16px';
	throbber.style.marginLeft = '5px';
	throbber.src='/images/ajax-loader-snake.gif';
	buyForm.appendChild(throbber);
	var formData = "&ajaxRequest=1&" + Form.serialize(buyForm);
	new Ajax.Request(buyForm.getAttribute("action"),
	{
		postBody : formData,
		onSuccess : function(r)
		{
			try
			{
				var obj = eval('(' + r.responseText + ')');
				if(form.productid.getAttribute("empty")=="empty")
					form.productid.removeChild(form.productid.options[0]);
				var exists = null;
				var selIndex = 0;
				var children = $(form.productid).childElements();
				for(var i=0;i<children.length;i++)
				{
					if(children[i].value==obj.productId)
					{
						exists = children[i];
						selIndex = i;
					}
				}
				if(exists==null)
				{
					var option = document.createElement("option");
					option.appendChild(document.createTextNode(obj.name + " " + obj.price + " " + obj.currency));
					option.value = obj.productId;
					option.setAttribute("count",obj.count);
					if(children.length>0)
						form.productid.insertBefore(option,children[0]);
					else
						form.productid.appendChild(option);
					form.productid.selectedIndex = 0;
				}
				else if(exists!=null)
				{
					exists.innerHTML = obj.name + " " + obj.price + " " + obj.currency;
					exists.setAttribute("count",obj.count);
					form.productid.selectedIndex = selIndex;
				}
				form.countinput.disabled = true;
				form.countinput.disabled = false;
				form.countinput.value = obj.count;
				document.getElementById("sumspan").innerHTML = obj.total;
				document.getElementById("currencyspan").innerHTML = obj.currency;
				form.productid.removeAttribute("empty");
			}
			catch(e)
			{
				alert(e.message);
			}
			throbber.src = '/images/webshop/shoppingcart_add.png';
			new Effect.Fade($(throbber), { from: 1.0, to: 0.0, duration: 2 });
			if(getCookie("showbasketinfo")!="no")
			{
				if(basketInfo==null)
				{
					basketInfo = document.createElement("div");
					basketInfo.id = "basketinfo";
					basketInfo.style.opacity = "0.0";               
					basketInfo.innerHTML = '<img src="/images/webshop/basket_infotext.gif" class="basketinfotext" /><br /><a class="basketinforemove" href="javascript:void(0)" onclick="removeBasketInfo()"><img src="/images/webshop/redcross.gif" border="0"> Visa inte detta igen</a><a class="basketinfoclose" href="javascript:void(0)" onclick="closeBasketInfo()"><img src="/images/webshop/redcross.gif" border="0"></a>';
					$('loginwrap').appendChild(basketInfo);
				}
				basketInfo.style.display = "block";
				basketInfo.style.opacity = "0.0";
				new Effect.Fade($(basketInfo), { from: 0.0, to: 1.0, duration: 0.5 });
			}
		}
		,
		onFailure : function(r)
		{
			alert(r.responseText);
		}
	});
	return false;
}

var basketInfo = null;
function removeBasketInfo()
{
	setBasketInfoCookie(false);
	if(basketInfo)
	{
		new Effect.Fade($(basketInfo), { from: 1.0, to: 0.0, duration: 0.5 });
	}
}

function closeBasketInfo()
{
    if(basketInfo)
    {
    	new Effect.Fade($(basketInfo), { from: 1.0, to: 0.0, duration: 0.5 });
	}
}

function setBasketInfoCookie(reset)
{
	var expires = new Date();
	expires.setFullYear(new Date().getFullYear() + 1);
	if(reset)
		setCookie("showbasketinfo", "yes", expires, "/");
	else
		setCookie("showbasketinfo","no", expires, "/");
}

function setCountInput(option)
{
	var productId = option.value;
	var count = option.getAttribute("count");
	document.getElementById("countinput").value = count;
}

function updateProductCount(form)
{
	var productId = form.productid.value;
	var count = form.countinput.value;
	new Ajax.Request("/ebutik/basket.php?setproductcount=1&productId=" + productId + "&count=" + count,
	{
		onSuccess : function(r)
		{
			try
			{
				var obj = eval('(' + r.responseText + ')');
				if(count==0)
				{
					form.productid.removeChild(form.productid.options[form.productid.selectedIndex]);
					if(form.productid.options.length>0)
					{
						form.countinput.value = form.productid.options[form.productid.selectedIndex].getAttribute("count");
						form.countinput.disabled = false;
					}
					else
					{
						var option = document.createElement("option");
						option.appendChild(document.createTextNode("-- Din kundvagn är tom"));
						form.productid.appendChild(option);
						form.countinput.disabled = true;
						form.productid.setAttribute("empty","empty");
					}
					document.getElementById("sumspan").innerHTML = obj.total;
					document.getElementById("currencyspan").innerHTML = obj.currency;
				}
				else
				{
					form.productid[form.productid.selectedIndex].text = obj.name + " " + obj.price + " " + obj.currency;
					form.productid[form.productid.selectedIndex].setAttribute("count", count);
					document.getElementById("sumspan").innerHTML = obj.total;
					document.getElementById("currencyspan").innerHTML = obj.currency;
				}
			}
			catch(e)
			{
				alert(e);
			}
		}
		,
		onFailure : function(r)
		{
			alert(r.responseText);
		}
	});
}

function showbasketsub(id)
{
	var obj = document.getElementById(id);
	obj.style.display = obj.style.display=='block'?'none':'block';
	setCookie(id, obj.style.display);
}

function checkCountInputForEnter(val)
{
	if(!event)
		var event = window.event;
	if(event)
	{
		if(event.keyCode==13)
			updateProductCount(val);
	}
}

/** product specific **/
function setDeliveryAsBilling(checkbox,form)
{

	if(form.companyname && form.companyname.value=="")
	{
		alert('Företagsnamn saknas!');
		checkbox.checked = false;
		return;
	}

	if(form.firstname.value=="")
	{
		alert('Förnamn saknas!');
		checkbox.checked = false;
		return;
	}

	if(form.lastname.value=="")
	{
		alert('Efternamn saknas!');
		checkbox.checked = false;
		return;
	}

	if(form.adress1.value=="")
	{
		alert('Adress saknas!');
		checkbox.checked = false;
		return;
	}

	if(form.zip.value=="")
	{
		alert('Postnr saknas!');
		checkbox.checked = false;
		return;
	}

	if(form.city.value=="")
	{
		alert('Förnamn saknas!');
		checkbox.checked = false;
		return;
	}

	if(form.deliverycompanyname)
		form.deliverycompanyname.value = checkbox.checked ? form.companyname.value : "";

	form.deliveryfirstname.value = checkbox.checked ? form.firstname.value : "";
	form.deliverylastname.value = checkbox.checked ? form.lastname.value : "";
	form.deliverycoadress.value = checkbox.checked ? form.coadress.value : "";
	form.deliveryunit.value = checkbox.checked ? form.unit.value : "";
	form.deliveryadress.value = checkbox.checked ? form.adress1.value : "";
	form.deliveryzip.value = checkbox.checked ? form.zip.value : "";
	form.deliverycity.value = checkbox.checked ? form.city.value : "";

	if(form.deliverycompanyname)
		form.deliverycompanyname.disabled = checkbox.checked;
	form.deliveryfirstname.disabled = checkbox.checked;
	form.deliverylastname.disabled = checkbox.checked;
	form.deliverycoadress.disabled = checkbox.checked;
	form.deliveryunit.disabled = checkbox.checked;
	form.deliveryadress.disabled = checkbox.checked;
	form.deliveryzip.disabled = checkbox.checked;
	form.deliverycity.disabled = checkbox.checked;
}

function moveProductUp(row)
{
	var prev = $(row).previous();
	if(prev)
		prev.insertAdjacentElement("beforebegin", row);
}

function moveProductDown(row)
{
	var next = $(row).next();
	if(next)
		next.insertAdjacentElement("afterend", row);
}

function moveCategoryChildrenUp(row)
{
	
	var table = $('productlist');
		
	var rows = table.getElementsByTagName("tr");
	var rowsToMove = new Array();
	
	for(var i=rows.length - 1; i >= 0; i--)
	{
		
		if(rows[i].getAttribute("parentNodeId") == row.getAttribute("nodeId"))
		{
			rowsToMove.push(rows[i]);
		}	
	}
	
	for(var i=0; i < rowsToMove.length; i++)
	{
		row.insertAdjacentElement('afterend', rowsToMove[i]);
	}
	
	for(var i=0; i < rowsToMove.length; i++)
	{
		moveCategoryChildrenUp(rowsToMove[i]);		
	}
	
}
                                     
function moveCategoryUp(row)
{    
	
	var parentId = row.getAttribute("parentNodeId");
	var nodeId = row.getAttribute("nodeId");
	
	var table = $('productlist');
	
	if(parentId == "")
	{         
		var prev = row.previous();
		while(prev)
		{
			if(prev.getAttribute("parentNodeId") == parentId)
			{
				prev.insertAdjacentElement("beforebegin", row);
				// move children		
				moveCategoryChildrenUp(row);
				break;
			}
			prev = prev.previous();
		}
	}
	else
	{
		var prev = row.previous();
		while(prev)
		{
			if(prev.getAttribute("parentNodeId") == row.getAttribute("parentNodeId"))
			{
				prev.insertAdjacentElement("beforebegin", row);
				// move children		
				moveCategoryChildrenUp(row);
				break;
			}
			prev = prev.previous();
		}
	}
	                            
}

function moveCategoryDown(row)
{	
    var parentId = row.getAttribute("parentNodeId");
	var nodeId = row.getAttribute("nodeId");
	
	var table = $('productlist');
	
	if(parentId == "")
	{         
		var next = row.next();
		while(next)
		{
			if(next.getAttribute("parentNodeId") == parentId)
			{
				moveCategoryUp(next);
  				break;
			}
			next = next.next();
		}
	}
	else
	{
		var next = row.next();
		while(next)
		{
			if(next.getAttribute("parentNodeId") == row.getAttribute("parentNodeId"))
			{
				moveCategoryUp(next);    
				break;
			}
			next = next.next();
		}
	}	
}

function openhelp(section)
{
	if(section) {
		$('help_' + section).style.display = ($('help_' + section).style.display=="block")?"none":"block";
	} else {
		var divs = $$('div.tabpage');
		if(divs.length == 0)
			$('help_basic').style.display = ($('help_basic').style.display=="block")?"none":"block";
		else
			for(var i=0;i<divs.length;i++) {
				if(divs[i].style.display=="block")
					$('help_' + divs[i].id).style.display = ($('help_' + divs[i].id).style.display=="block")?"none":"block";
			}
	}
}

if($('madmin'))
{
	window.onscroll = function(event)
	{
		if (!event) var event = window.event;
		if(MessageBoxHelper.HasVisibleBoxes() || FileBrowser.IsOpen())
		{
			window.scrollTo(0,lastScrollpos);
			return(false);
		}
		lastScrollpos = isGecko?document.body.scrollTop:document.documentElement.scrollTop;
	}
}

function deleteGallery(node)
{
	node.parentNode.removeChild(node);
	setHasChanges(true);
	return false;
}

function deleteFile(node)
{
	node.parentNode.removeChild(node);
	setHasChanges(true);
	return false;
}

function moveUp(imageId)
{
	var row = $(document.getElementById("gallery_" + imageId));
	var prev = row.previous();
	if(prev) {
		row.parentNode.insertBefore(row,prev);
	}
	setHasChanges(true);
}

function moveDown(imageId)
{
	var row = $(document.getElementById("gallery_" + imageId));
	var next = row.next();
	if(next && !next.next())
		row.parentNode.appendChild(row);
	else if(next && next.next())
		row.parentNode.insertBefore(row,next.next());
	setHasChanges(true);
}

function checkConfirmationForm(form, warning)
{
	if(form.termsandconditions && !form.termsandconditions.checked && !form.canceled)
	{
		alert(warning);
		form.termsandconditions.focus();
		return(false);
	}
	return(true);	
}

function checkCategoryForm(form) {
	var name = form.name;
	var templateId = form.templateId;
	if(name && name.value=="")
	{
		alert('Du måste ange ett namn.');
		return false;
	}
	if(templateId)
	{
		var selected = false;
		if(templateId.length)
		{
			for(var i=0;i<templateId.length;i++)
			{
				if(templateId[i].checked)
					selected = true;
			}
		}
		else if(templateId.checked)
		{
			selected = true;
		}
		if(!selected)
		{
			alert('Du måste välja en kategorimall.');
			return false;
		}
	}
	form.description.value = descriptionEditor.findInstance("editordescription").getContent();
}

function confirmDeletion(form)
{
	return confirm('Är du säker på att du vill ta bort markerade produkter?\n\nDetta val kan ej ångras.');
}

function checkProductForm(form,isVariant,hasWebshop)
{
	var artnr = form.artnr;
	var name = form.name;
	var templateId = form.templateId;
	var price = form.price;
	var parent = form.parentId;
	var virtual = form.virtual;
	var weight = form.weight;
	var categories = form.elements['categories[]'];
    if(categories.length > 0)
    {
    	var checked = false;
    	for(var i=0; i<categories.length; i++)
    	{
    		if(categories[i].checked)
    			checked = true;
		}
		if(!checked)
		{
			alert('Du måste välja minst en kategori.');
	 		return false;
		}
	}
	else
	{
		if(!categories.checked)
		{
			alert('Du måste välja minst en kategori.');
	 		return false;
		}		
	}
	if(parseInt(parent.value)>0 && virtual[1].selected)
	{
	 	alert('En produkt kan inte både vara virtuell och en variant.');
	 	return false;
	}
	if(artnr && artnr.value=="")
	{
		alert('Du måste ange ett artnr.');
		return false;
	}
	if(hasWebshop && price && price.value=="")
	{
		alert('Du måste ange ett pris.');
		return false;
	}
	if(hasWebshop && price && !price.value.match(/^([0-9]*)(\,){0,1}([0-9]+)$/g))
	{
		alert("Priset får bara innehålla siffror samt komma om ören skall anges.");
		return false;
	}
	if(weight && !weight.value.match(/^([0-9]*)(\,){0,1}([0-9]+)$/g))
	{
		alert("Vikten får bara innehålla siffror samt komma.");
		return false;
	}	
	
	if(name && name.value=="")
	{
		alert('Du måste ange ett namn.');
		return false;
	}
	if(templateId)
	{
		var selected = false;
		if(templateId.length)
		{
			for(var i=0;i<templateId.length;i++)
			{
				if(templateId[i].checked)
					selected = true;
			}
		}
		else if(templateId.checked)
		{
			selected = true;
		}
		if(!selected)
		{
			alert('Du måste välja en produktmall.');
			return false;
		}
	}

	try
	{
		if(!isVariant)
		{
			if($('editordescription'))
				form.description.value = descriptionEditor.findInstance("editordescription").getContent();
			if($('editorlistdescription'))
				form.listdescription.value = listDescEditor.findInstance("editorlistdescription").getContent();
			if($('editoringress'))
				form.ingress.value = ingressEditor.findInstance("editoringress").getContent();
			if($('editorcustomhtml'))
				form.customhtml.value = customHtmlEditor.findInstance("editorcustomhtml").getContent();
			form.action = document.location.href;
		}
	}
	catch(e)
	{
		alert('Fel när produkten skulle sparas: ' + e);
		return false;
	}
	hasChanges = false;
	return true;
}

function browseFiles(events)
{
	FileBrowser.Browse(events);
	return false;
}

function setNoImage(input,thumbHolderMine)
{
    if(!thumbHolderMine)
        thumbHolderMine = $('thumbnail');
    thumbHolderMine.src = "/bildarkiv/defaultproduct.gif";
    input.value = "";
    setHasChanges(true);
}

function setFile(input,thumbHolderMine,removeOnCancel,itemToRemove)
{
	browseFiles(
	{
		currentfile :  input.value
		,
		onselectfile : function(item)
		{
			if(!thumbHolderMine)
				thumbHolderMine = $('thumbnail');
			if(!item && removeOnCancel && itemToRemove)
			{
				itemToRemove.parentNode.removeChild(itemToRemove);
			}
			else
			{
				var fileName = item.getAttribute("filename");
				input.value = "/" + escape(fileName);
				//thumbHolderMine.removeAttribute("width");
				//thumbHolderMine.removeAttribute("height");
				thumbHolderMine.src = item.getAttribute("thumb");
			}
			setHasChanges(true);
		}
		,
		onclose : function()
		{
			if(removeOnCancel && itemToRemove)
			{
				itemToRemove.parentNode.removeChild(itemToRemove);
			}
		}
	});
}

/*
function resetImage(input)
{
	input.value = "";
	$('thumbnail').src = '/bildarkiv/defaultproduct.gif';
}
*/

var productrules = {
	'.addAttribute' : function(el) {
		el.onclick = function(e) {
			attrCount++;
			var attr = document.createElement('input');
			var holder = document.createElement('div');
			var delIcon = document.createElement('a');
			delIcon.href = "#";
			delIcon.rel = attrCount;
			delIcon.onclick = function() {$('catAttributes').removeChild($('attribute_'+this.rel),true);return false;};
			delIcon.innerHTML = 'Ta bort';
			holder.id = "attribute_"+attrCount;
			attr.type='text';
			attr.name='attributes[]';
			holder.appendChild(attr);
			holder.appendChild(delIcon);
			holder.appendChild(document.createElement('hr'));
			document.getElementById('catAttributes').appendChild(holder);
			return false;
		}
	},
	'.addGallery' : function(el) {
		el.onclick = function(e) {

			var table = $('galleryImages');

			var myId = "newImage_" + table.rows.length;
			var template = $('galleryTemplate');
			var holder = document.createElement('div');
			var templateData = template.innerHTML.replace(/\&lt\;/g,"<").replace(/\&gt\;/g,">").replace(/\<\!\-\-id\-\-\>/g,myId);

			holder.innerHTML = templateData;
			var dummy = holder.getElementsByTagName("TR").item(0);
			table.getElementsByTagName("TBODY").item(0).appendChild(dummy);

			setFile($('ginput[' + myId + ']'), $('gallery[' + myId + ']'));

			return false;
		}
	}
	,
	'.addFile' : function(el) {
		el.onclick = function(e) {
			//attrCount++;

			var table = $('galleryFiles');

			var myId = "newDocument_" + table.rows.length;
			var template = $('documentTemplate');
			var holder = document.createElement('div');
			var templateData = template.innerHTML.replace(/\&lt\;/g,"<").replace(/\&gt\;/g,">").replace(/\<\!\-\-id\-\-\>/g,myId);

			holder.innerHTML = templateData;
			var dummy = holder.getElementsByTagName("TR").item(0);
			table.getElementsByTagName("TBODY").item(0).appendChild(dummy);

			setFile($('finput[' + myId + ']'), $('file[' + myId + ']'));

			return false;
		}
	}

};

function addVariation(table,template,copyfrom)
{
	var tr = template.cloneNode(true);
	var options = tr.getElementsByTagName("option");
	var option = null;
	for(var i=0;option=options[i];i++)
	{
		if(option.selectMe)
			option.selected = true;
	}
	if(copyfrom)
	{
		var inputs = tr.getElementsByTagName("input");
		for(var i=0;i<inputs.length;i++)
		{
	 		if(inputs[i].name=="variant_price[]" && copyfrom['price'])
	 			inputs[i].value = copyfrom["price"].value;
	 		if(inputs[i].name=="variant_weight[]" && copyfrom['weight'])
	 			inputs[i].value = copyfrom["weight"].value;
		}	
		var selects = tr.getElementsByTagName("select");
		for(var i=0;i<selects.length;i++)
		{
	 		if(selects[i].name=="variation_vat[]" && copyfrom['vat'])
	 			selects[i].selectedIndex = copyfrom["vat"].selectedIndex;
	 		if(selects[i].name=="variation_shippingType[]" && copyfrom['shippingType'])
	 			selects[i].selectedIndex = copyfrom["shippingType"].selectedIndex;
		}	
	}
	table.getElementsByTagName("tbody").item(0).appendChild(tr);
}

function setVariantName(localName)
{
	var parent = $('parentname');
	var productname = $('productname');
	productname.innerHTML = localName.value;
	var fullname = $('fullname');
	fullname.innerHTML = parent.innerHTML + " " + localName.value;
}

function clearApa(obj)
{
	if(!obj.cleared)
	{
		obj.cleared = true;
		obj.value = '';
		setVariantName(obj);
	}
}

function removeVariants(form)
{
	$(form).request(
	{
		onSuccess : function(r)
		{
			var variants = form['variantId[]'];
			var toRemove = new Array();		
			if(!variants.length)
			{
				var row = variants.parentNode.parentNode;
	 			toRemove.push(row); 
			}
			else
			{
				for(var i=0;i<variants.length;i++)
				{
	 				if(variants[i].checked)
	 				{
	 		 			var row = variants[i].parentNode.parentNode;
	 		 			toRemove.push(row);
					}
				}
			}
			var table = $('productlist');
			for(var i=0;i<toRemove.length;i++)
			{
				toRemove[i].parentNode.removeChild(toRemove[i]);
			}	
		}
	});
}

function checkArtNr(field, productId)
{
	new Ajax.Request("/modules/products/admin/index.php?checkArtNr=" + field.value + (productId ? ("&productId="+productId) : ""),
	{
		onSuccess : function(r)
		{
		 	if(r.responseText=="1")
		 	    field.style.background = "ff6666";
		 	else
		 		field.style.background = "aaffaa";
		}
	});
}

function validatePayment(form)
{
	var payments = form.elements['paymentId'];
	if(payments.length==1 && payments[0].checked) return(true);
	if(payments.length==1 && !payments[0].checked) { alert('Du måste välja betalningsmetod.'); return(true); }
	if(payments.length>1)
	{
		var checked = false;
		for(var i=0;i<payments.length;i++)	
		{
			if(payments[i].checked)
				checked = true;
		}
		if(!checked) { alert('Du måste välja betalningsmetod.'); return(true); }
	}
	return(true);	
}


function PickProductDate(event,form,field,weekonly)
{
	var element = event.srcElement;
	if(!element) element = event.target;
	
	var x = findPosX(element);
	var y = findPosY(element);

	var datePick = new DatePicker();
	datePick.Show(x,y,
	function(date,weekSelect)
	{
		if(field && weekSelect && weekonly)
		{
			var startDate = new Date(date);
			form[field].value = startDate.getWeek();
		}			
		else if(field)
		{
			var startDate = new Date(date);
			var startDateStr =  startDate.getFullYear() + "-" + (startDate.getMonth()<9?"0":"") + (startDate.getMonth()+1) + "-" + (startDate.getDate()<10?"0":"") + startDate.getDate();
			form[field].value = startDateStr;
			try { form[field + 'Dummy'].value = startDateStr; } catch(e) { }
		}
		datePick.Close();
	});
	
	//var startdate = DatePicker.Pick();
}


function enableDate(f1, f2, f3, checked)
{
	$('postform')[f1].disabled = !checked;	
	$('postform')[f2].disabled = !checked;	
	$('postform')[f3].disabled = !checked;	
}

DatePicker = Class.create();

DatePicker.prototype =
{
	months : new Array("Jan","Feb","Mar","Apr","Maj","Jun","Jul","Aug","Sep","Okt","Nov","Dec"),
	div : null,
	startDate : null,
	callback : null,
	initialize : function()
	{
		this.div = document.createElement("DIV");
		this.div.style.position = "absolute";
		this.div.style.width = "193px";
		this.div.style.zIndex = "10000";
		this.div.style.background = "#ffffff";
		this.startDate = new Date();
		this.startDate.setDate(1);
	}
	,
	Show : function(x,y,clb)
	{
		this.callback = clb;
		this.div.style.left = x + "px";
		this.div.style.top = y + "px";
		this.Render();
		document.body.appendChild(this.div);
	},
	Render : function()
	{
		this.div.innerHTML = "";
		var table = document.createElement("table");
		table.cellSpacing = "0";
		table.cellPadding = "0";
		table.className = "datepopuptable";
		table.width = "100%";
		var tr = table.insertRow(-1);
		var td = tr.insertCell(-1);
		td.colSpan = 8;
		td.className = "datepickmenu";
		td.align = "right";  
		var link = document.createElement("a");
		link.href = "javascript:void(0)";
		link.className = "datepickclose";
		link.appendChild(document.createTextNode("X"));
		link.datePicker = this;
		link.onclick = function()
		{
			this.datePicker.Close();
		}
		td.appendChild(link);
		tr = table.insertRow(-1);
		td = tr.insertCell(-1);
		td.className = "datepickheader";
		td.appendChild(document.createTextNode(""));
		td = tr.insertCell(-1);
		td.className = "datepickheader";
		td.appendChild(document.createTextNode("M"));
		td = tr.insertCell(-1);
		td.className = "datepickheader";
		td.appendChild(document.createTextNode("T"));
		td = tr.insertCell(-1);
		td.className = "datepickheader";
		td.appendChild(document.createTextNode("O"));
		td = tr.insertCell(-1);
		td.className = "datepickheader";
		td.appendChild(document.createTextNode("T"));
		td = tr.insertCell(-1);
		td.className = "datepickheader";
		td.appendChild(document.createTextNode("F"));
		td = tr.insertCell(-1);
		td.className = "datepickheader";
		td.appendChild(document.createTextNode("L"));
		td = tr.insertCell(-1);
		td.className = "datepickheader";
		td.appendChild(document.createTextNode("S"));			
		this.div.appendChild(table);
		var tr = null;
		// render table
		var offset = new Array(-5, 1, 0, -1, -2, -3, -4);
		var daysInMonth = 32 - new Date(this.startDate.getFullYear(), this.startDate.getMonth(), 32).getDate();
		var startDay = offset[this.startDate.getDay()];
		var endDay = daysInMonth + (8 - new Date(this.startDate.getFullYear(), this.startDate.getMonth(), daysInMonth).getDay());
		var tr = null;
		var date = new Date(this.startDate);
		var dc = 0;                     
		var today = new Date();
		for(var i=startDay;i<endDay;i++)
		{
			date = new Date(this.startDate.getFullYear(),this.startDate.getMonth(),i);
			if(dc%7==0)
			{
				tr = table.insertRow(-1);
				var td = tr.insertCell(-1);	
				var link = document.createElement("a");
				link.datePicker = this;
				link.date = new Date(date);
				link.href = "javascript:void(0)";
				link.appendChild(document.createTextNode(date.getWeek()));
				link.className = "datepickweekselect";
				link.onclick = this.handleWeekCallback;
				td.appendChild(link);
				td.className = "datepickweekhead";
			}	
			var td = tr.insertCell(-1);
			var link = document.createElement("a");
			link.appendChild(document.createTextNode(date.getDate()));				
			link.href = "javascript:void(0)";
			link.date = new Date(date);
			link.datePicker = this;
			link.onclick = this.handleCallback;
			link.className = (i<1||i>daysInMonth)?"datepickdayd":"datepickday";
			if(link.date.getDate()==today.getDate() && link.date.getMonth()==today.getMonth() && link.date.getFullYear()==today.getFullYear())
				link.className = link.className = " today";
			td.appendChild(link);
			dc++;
		}			
		tr = table.insertRow(-1);
		td = tr.insertCell(-1);
		td.className = "datepickfoot";
		var link = document.createElement("a");
		link.appendChild(document.createTextNode("<"));
		link.href = "javascript:void(0)";
		link.datePicker = this;
		link.className = "datepickprev";
		link.onclick = function()
		{
			this.datePicker.startDate.setMonth(this.datePicker.startDate.getMonth()-1);
			this.datePicker.Render();
		}
		td.appendChild(link);			
		td = tr.insertCell(-1);
		td.className = "datepickfoot";
		td.colSpan = 6;
		td.appendChild(document.createTextNode(this.months[this.startDate.getMonth()] + " - " + this.startDate.getFullYear()));
		td = tr.insertCell(-1);
		td.className = "datepickfoot";
		var link = document.createElement("a");
		link.href = "javascript:void(0)";
		link.datePicker = this;
		link.className = "datepicknext";
		link.onclick = function()
		{
			this.datePicker.startDate.setMonth(this.datePicker.startDate.getMonth()+1);
			this.datePicker.Render();
		}
		link.appendChild(document.createTextNode(">"));
		td.appendChild(link);
	}
	,
	handleCallback : function()
	{
		this.datePicker.callback(this.date,false);
	}
	,
	handleWeekCallback : function()
	{
		this.datePicker.callback(this.date,true);
	}
	,
	Close : function()
	{
		document.body.removeChild(this.div);
	}
}

function markAllProducts(elm, checkbox)
{
	elm.select('input').each(function(e, i)
	{
		if(e == checkbox)
			return;
		e.checked = checkbox.checked;
	});
}

Behaviour.addLoadEvent(function() { Behaviour.apply(productrules); });