function navigate_lightbox(reference_id ) {
	xajax_reference_text(reference_id);
	xajax.$('moreheader').innerHTML='';
	xajax.$('moredesc').innerHTML='';
	xajax.$('addimg1').src='/products/images/clear.gif';
	xajax.$('addimg2').src='/products/images/clear.gif';
	xajax.$('loadprogress').style.display='block';
}