function openURL(url,x,y,scrollbars)
{
	if (x == null) x = 550;
	if (y == null) y = 350;
	if (scrollbars == null) scrollbars = 'no';
	f1 = window.open(url,"Details","width="+x+",height="+y+",status=no,menubar=no,resizable=no,scrollbars="+scrollbars+",toolbar=no");
}
function opengallery(offset, datasetid) {
		if (datasetid == null) {
			window.open ('-t_popup_gallery-o_' + (offset-1), 'gallery', 'width=600,height=545,scrollbars=no,menubar=no,status=yes,location=no,toolbars=no');
		} else {
			window.open ('-t_popup_gallery-o_' + (offset-1) + '-d_' + datasetid, 'gallery', 'width=600,height=545,scrollbars=no,menubar=no,status=yes,location=no,toolbars=no');
		}
	}