a.link.pdf {
    background-image: url(../Images/pdf.gif);
    background-repeat: no-repeat;
    background-position: left top;
}
a.link.doc {
    background-image: url(../Images/doc.gif);
    background-repeat: no-repeat;
    background-position: left top;
}
a.link.zip {
    background-image: url(../Images/zip.gif);
    background-repeat: no-repeat;
    background-position: left top;
}
a.link.rar {
    background-image: url(../Images/zip.gif);
    background-repeat: no-repeat;
    background-position: left top;
}
a.link.xls {
    background-image: url(../Images/xls.gif);
    background-repeat: no-repeat;
    background-position: left top;
}
a.link.ppt {
    background-image: url(../Images/ppt.gif);
    background-repeat: no-repeat;
    background-position: left top;
}