function openPopup(szFile,nWidth,nHeight,nMaxWidth,nMaxHeight)
{
	var bScrollable = false;

	if (nWidth > nMaxWidth)
	{
		nWidth = nMaxWidth;

		bScrollable = true;
	}

	if (nHeight > nMaxHeight)
	{
		nHeight = nMaxHeight;

		bScrollable = true;
	}

	window.open(szFile,'','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+(bScrollable ? 'yes' : 'no')+',resizable=yes,width='+nWidth+',height='+nHeight+',top=100,left=100');

	return false;
}