function openKassaPop(id)
{
	popwin = window.open('popWindow.php?id='+id,'kassapop','width=300,height=200,resizable=yes,scrollbars=yes'); 
	popwin.focus();
}

function openProdPop(img)
{
	popwin = window.open('prodPopWindow.php?img='+img,'kassapop','width=300,height=200,resizable=yes,scrollbars=yes'); 
	popwin.focus();
}

function changeLength(url, length)
{
	location.href = url+'&length='+length
}