function isNumeric(input)
{
   return (input - 0) == input && input.length > 0;
}

function updateProductQty (products_id,value)
{
	var url = 'ajaxBasket.php';
	new Ajax.Request(url, {
	  method: 'get',
	  parameters: 'action=updateitemqty&ck=1283693026&products_qty='+value+'&products_id='+products_id,
	  onSuccess: function(transport) {
	    var basket = $('basket');
	    basket.update(transport.responseText);  
	  }
	});
}


function updateProductQtyViaInputField (item)
{
	if (isNumeric(item.value) && item.value > 0)
	{
		updateProductQty (item.name, item.value)
	} 
	else
	{
		removeItem (item.name);
	}
}

function setPhotosUploaded (qty)
{
	photosUploaded = qty;
    if (photosUploaded >= photosCount)
  	{
   		$('errorPhotos').innerHTML = "";
  	}
} 

function submitCardDetails (nextTarget)
{
	var fields = $$('.tusinput');
    
    try
	{
    if (mengen_id == 0)
	{
			$('errorFieldQty').innerHTML = "<br/><span style=\"color:#FF0000;\">Sie haben bislang noch keine Bestellmenge ausgewählt.<br/>Bitte sagen Sie uns, wie viele Karten Sie benötigen.</span>";
            return true;
	}
    }
	catch(e) { }
    
  /* if (photosUploaded < photosCount)
   {
   	 	try
		{
   			//$('errorPhotos').innerHTML = "<br/><span style=\"color:#FF0000;\">Bitte laden Sie Fotos zu ihrer Karte hoch. Falls der Bilder-Upload<br/>nicht funktionieren sollte schicken Sie bitte die Fotos an <a href=\"mailto:fotos@tochterundsohn.de\">fotos@tochterundsohn.de</a></span>";
            $('errorPhotos').innerHTML = "<br/><span style=\"color:#FF0000;\">Bitte laden Sie Fotos zu ihrer Karte hoch.</span>";
   			photosCount = 0;
            return true;
        }
		catch(e) { }
   }*/
    

	var parameters = "";	
    
    try
	{
     	$('errorPhotos').innerHTML = "";
    	$('errorFieldVorname').innerHTML = "";
    	$('errorFieldVorname2').innerHTML = "";
	}
	catch(e) {

	}
    
	for (var i = 0; i < fields.length; i++) 
	{
		try
		{
        	$fieldValue = $(fields[i]).getValue().split("&").join("%26").split("?").join("%3F");
			parameters += "&"+fields[i].id+"="+$fieldValue;
            
            if (fields[i].id == "order_details_baby_vorname" && $(fields[i]).getValue() == "") 
            {
            	$('errorFieldVorname').innerHTML = "<span style=\"color:#FF0000;\">Bitte sagen Sie uns, wie Ihr Baby heisst.</span>";
                return;
            }
			
			if (fields[i].id == "order_details_baby2_vorname" && $(fields[i]).getValue() == "") 
            {
            	$('errorFieldVorname2').innerHTML = "<span style=\"color:#FF0000;\">Bitte sagen Sie uns, wie Ihr Baby heisst.</span>";
                return;
            }
            
		}
		catch(e) {


		}
	}
	
	//alert(parameters);
	
	var url = 'ajaxCard.php';
	new Ajax.Request(url, {
	  method: 'get',
	   parameters: 'action=update&ck=1283693026'+parameters,
	  onSuccess: function(transport) {
	    var basket = $('basket');
	    basket.update(transport.responseText); 
		document.location = nextTarget;
	  }
	});
}
function updateView ()
{
	var url = 'ajaxBasket.php';
	new Ajax.Request(url, {
	  method: 'get',
	  onSuccess: function(transport) {
	    var basket = $('basket');
	    basket.update(transport.responseText);
	  }
	});
}
function updateItemQty (products_id, qty)
{
	var url = 'ajaxBasket.php';
	new Ajax.Request(url, {
	  method: 'get',
	  parameters: 'action=updateitemqty&ck=1283693026&products_qty='+qty+'&products_id='+products_id,
	  onSuccess: function(transport) {
	    var basket = $('basket');
	    basket.update(transport.responseText);  
	  }
	});
}
function updateItemAttributes (products_id, attribute_id, attribute_value)
{
	var url = 'ajaxBasket.php';
	new Ajax.Request(url, {
	  method: 'get',
	  parameters: 'action=updateitemattribute&ck=1283693026&attribute_id='+attribute_id+'&attribute_value='+attribute_value+'&products_id='+products_id,
	  onSuccess: function(transport) {
	    var basket = $('basket');
	    basket.update(transport.responseText);   
	  }
	});
}
function addItem (products_id,qty)
{
	var url = 'ajaxBasket.php';
	new Ajax.Request(url, {
	  method: 'get',
	  parameters: 'action=additem&ck=1283693026&products_qty='+qty+'&products_id='+products_id,
	  onSuccess: function(transport) {
	    var basket = $('basket');
	    basket.update(transport.responseText);   
	  }
	});
}
function removeItem (products_id)
{
	var url = 'ajaxBasket.php';
	new Ajax.Request(url, {
	  method: 'get',
	  parameters: 'action=removeitem&ck=1283693026&products_id='+products_id,
	  onSuccess: function(transport) {
	    var basket = $('basket');
	    basket.update(transport.responseText);   
	  }
	});
}

function updateProductViaCheckBox (item, itemQty)
{
	if (item.checked == true)
	{
		addItem (item.value, itemQty.value);
	}
	else
	{
		removeItem (item.value);
	}
}

function updateProductQtyViaRadioButton (item,qty)
{
	updateItemQty (item.value,qty);
	if (item.name == "mengen_id" )
	{
		mengen_id = qty;
	}
}

function updateProductAttributeViaRadioButton (item,id,value)
{
	updateItemAttributes (item.value,id,value);
	if (item.name =="umschlag_id" )
	{
		umschlag_id = value;
	}
}

function updateProductAttributeViaCheckBox (item,id,value)
{
	if (item.checked == true)
	{
		updateItemAttributes (item.value,id,value);
	}
	else
	{
		updateItemAttributes (item.value,id,'');
	}
}
function showPage (id)
{
	if (id == 'page2')
	{
  		try { $('errorFieldQty').innerHtml = ""; } catch(e) { }
	}

	//$('page1').setStyle({display:'none'});
	//$('page2').setStyle({display:'none'});
	//$('page3').setStyle({display:'none'});	
	if (id == 'page3' && mengen_id == 0)
	{
	
		//document.location = 'product_info.php?info=p&products_color=&page=2';
		
		
		if (mengen_id == 0)
		{
			$('errorFieldQty').innerHTML = "<br/><span style=\"color:#FF0000;\">Sie haben bislang noch keine Bestellmenge ausgewählt.<br/>Bitte sagen Sie uns, wie viele Karten Sie benötigen.</span>";
		}
	} 
	else
	{
		
		id = id.split("page").join("");
		if (id > 2)
		{
			document.location = 'https://www.tochterundsohn.de/product_info.php?info=&products_color=&page='+id;

		} 
		else
		{
			document.location = 'product_info.php?info=&products_color=&page='+id;			
		}
        scroll(0,0);	
	}
}
if (photosUploaded == undefined)
{
	var photosUploaded = 0;
}
var photosCount = 0;
var mengen_id = '0';
var umschlag_id = '';
updateView();

if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
	document.writeln('<style type="text/css">img { visibility:hidden; } </style>');
	window.attachEvent("onload", fnLoadPngs);
}

function fnLoadPngs() {
	var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
	var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);

	for (var i = document.images.length - 1, img = null; (img = document.images[i]); i--) {
		if (itsAllGood && img.src.match(/\.png$/i) != null) {
			var src = img.src;
			img.style.width = img.width + "px";
			img.style.height = img.height + "px";
			img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')"
			img.src = "x.gif";
		}
		img.style.visibility = "visible";
	}
}