1341   function getLink($bibfield,$iconurl=NULL,$altlabel=NULL) {  argument
1344     $str = $this->getIconOrTxt($altlabel,$iconurl);
1352   function getBibLink($iconurl=NULL) {  argument
1353     $bibstr = $this->getIconOrTxt('bibtex',$iconurl);
1362   function getPdfLink($iconurl = NULL, $label = NULL) {  argument
1363     return $this->getUrlLink($iconurl);
1371   function getUrlLink($iconurl = NULL) {  argument
1373       return $this->getAndRenameLink('pdf', $iconurl);
1376       return $this->getAndRenameLink('url', $iconurl);
1381       return $this->getAndRenameLink('file', $iconurl);
1388   function getAndRenameLink($bibfield, $iconurl=NULL) {  argument
1392       case 'html': return $this->getLink($bibfield, $iconurl, 'html'); break;
1393       case 'pdf': return $this->getLink($bibfield, $iconurl, 'pdf'); break;
1394       case 'ps': return $this->getLink($bibfield, $iconurl, 'ps'); break;
1396         return $this->getLink($bibfield, $iconurl, $bibfield);
1403   function getDoiLink($iconurl=NULL) {  argument
1404     $str = $this->getIconOrTxt('doi',$iconurl);
1412   function getGSLink($iconurl=NULL) {  argument
1413     $str = $this->getIconOrTxt('citations',$iconurl);
1425   function getIconOrTxt($txt,$iconurl=NULL) {  argument
1426     if ( $iconurl==NULL ) {
1429       $str='<img class="icon" src="'.$iconurl.'" alt="['.$txt.']" title="'.$txt.'"/>';