function openImgPopup( lnk, tumbnail )
	{
	d.getElementById('previewImg').src = tumbnail;
	d.getElementById('previewImg').style.left = lnk.offsetLeft + 60;
	d.getElementById('previewImg').style.top = lnk.offsetTop + 80;
	d.getElementById('previewImg').style.display = 'block';
	}
	
	function hidePreview()
	{
	d.getElementById('previewImg').style.display = 'none';
	d.getElementById('previewImg').src = '../_design/img/sec.gif';
	}