function changePic(id) {
	$('#item_' +id).css("background-image", "url('http://www.produkt.at/fileadmin/templates/images/pfeil_liste_o.png')");
}

function changeBack(id) {
	$('#item_' +id).css("background-image", "url('http://www.produkt.at/fileadmin/templates/images/pfeil_liste.png')");
}

function changeGalleryPic (url) { 
	$('#galleryPreview').attr("src", url);
	$('#prevUrl').attr("href", url);
}