[hkkp]

Code:

.postmsg a[href^="http:"] {
    background:url(images/window_a.gif) top right no-repeat;
    color: #4b8052;
    padding-right: 9px;
}

.postmsg a[href^="http:"]:hover {
    text-decoration: underline !important;
    color: #bebebe;
}

.postmsg a[href^="http://www.xxx.info"] {
    background: transparent;
    color: #4b8052;
    padding-right: 0px;
}