if( ps.previous )
	document.write( '<td align="center"><a href="' + ps.previous.url + '"><img src="skins/blue/img/sb/b_prev_0.gif" width="21" height="29" alt="' + ps.previous.title + '" title="' + ps.previous.title + '" border="0"></a></td>' );
else
	document.write( '<td align="center"><img src="skins/blue/img/sb/b_prev_1.gif" width="21" height="29" alt="No previous page" title="No previous page" border="0"></td>' );

if( ps.up )
	document.write( '<td align="center"><a href="' + ps.up.url + '"><img src="skins/blue/img/sb/b_up_0.gif" width="20" height="29" alt="' + ps.up.title + '" title="' + ps.up.title + '" border="0"></a></td>' );
else
	document.write( '<td align="center"><img src="skins/blue/img/sb/b_up_1.gif" width="20" height="29" alt="No way up" title="No way up" border="0"></td>' );

if( ps.next )
	document.write( '<td align="center"><a href="' + ps.next.url + '"><img src="skins/blue/img/sb/b_next_0.gif" width="22" height="29" alt="' + ps.next.title + '" title="' + ps.next.title + '" border="0"></a></td>' );
else
	document.write( '<td align="center"><img src="skins/blue/img/sb/b_next_1.gif" width="22" height="29" alt="No next page" title="No next page" border="0"></td>' );