function thumbnail_popup(psFilename, piWidth, piHeight)
{
	var now = new Date();
	//window.open('popup.php?' + psFilename, 'thumbnail' + now.getHours() + '_' + now.getMinutes() + '_' + now.getSeconds(), 'height=' + piHeight + ',width=' + piWidth + ',dependent=yes,location=no,menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no');
	window.open('popup.php?' + psFilename, 'thumbnail', 'height=' + piHeight + ',width=' + piWidth + ',dependent=yes,location=no,menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no');
	return false;
}

function switch_image(psImageID, psImage)
{
	document.getElementById(psImageID).src = psImage;
}