function mengeUp(id) {

	menge = parseInt(document.getElementById('menge_'+id).innerHTML);
	menge++;
	
	if (menge > 999)
		menge = 999;
	
	document.getElementById('menge_'+id).innerHTML = menge;
}

function mengeDown(id) {

	menge = parseInt(document.getElementById('menge_'+id).innerHTML);
	menge--;
	
	if (menge < 1)
		menge = 1;
	
	document.getElementById('menge_'+id).innerHTML = menge;
}


function addToWarenkorb(id) {

	menge = parseInt(document.getElementById('menge_'+id).innerHTML);
	new Ajax.Updater('warenkorb_preview','index.php?module=shop&action=add_artikel_to_warenkorb&id='+id+'&menge='+menge, { method: 'get'});

   Shadowbox.init({
        animate: 	false,
        resizeDuration: 0.1,
        fadeDuration: 0.1,
        overlayOpacity: 0.0,
        displayNav:	false
    });

    Shadowbox.open({
        type:       'html',
        content:    '<div style="background-color: #F6F1E1; text-align: center; padding-top: 18px; padding-bottom: 18px; font-size: 16px; font-weight: bold;">Artikel wurde in den Warenkorb gelegt</div>',
        height:     60,
        width:      400
    });

	window.setTimeout("closeWarenkorbMessage()", 4000);
}





function closeWarenkorbMessage() {

	Shadowbox.close();
	Shadowbox.clearCache();
}



function removeFromWarenkorb(id) {

	new Ajax.Updater('warenkorb_preview','index.php?module=shop&action=remove_artikel_from_warenkorb&id='+id, { method: 'get'});
	alert('Artikel wurde aus dem Warenkorb entfernt');
}


function updateWarenkorb(id) {

	menge = parseInt(document.getElementById('menge_'+id).innerHTML);
	document.getElementById('artikel_id').value = id;
	document.getElementById('menge').value = menge;
	document.myform.submit();
}