#liensInternesDico a[href $='.pdf'] {padding-right: 18px; background: transparent url(img/cursors/pdf.gif) no-repeat center right;} 
#liensInternesDico a[href $='.xls'] {padding-right: 18px; background: transparent url(img/cursors/xls.gif) no-repeat center right;} 
#liensInternesDico a[href $='.doc'], #liensInternesDico a[href $='.odt'] {padding-right: 18px; background: transparent url(img/cursors/doc.gif) no-repeat center right;}