.postlink { color: #565674; background:transparent url(ext_link.gif) no-repeat 100% 4px; padding-right:12px; } 

.postlink:hover, .postlink:active { background-image: url(ext_link.gif); background-repeat: no-repeat; background-position: 100% -146px; padding-right:12px; } 

.pdf_link:link, .pdf_link:hover, .pdf_link {
	background: url(pdf.gif) no-repeat right center;
	padding-right:14px;
}