a[href$=".pdf"], a[href$=".PDF"] {
        background:transparent url(icons/pdf.png) no-repeat scroll left top;
        line-height:18px;
        padding-bottom:2px;
        padding-left:20px;
}
a[href$=".doc"], a[href$=".DOC"] {  
        background:transparent url(icons/doc.png) no-repeat scroll left top;
        line-height:18px;
        padding-bottom:2px;
        padding-left:20px;
}
a[href$=".odt"], a[href$=".ODT"] {  
        background:transparent url(icons/odt.png) no-repeat scroll left top;
        line-height:18px;
        padding-bottom:2px;
        padding-left:20px;
}
a[href$=".xls"], a[href$=".XLS"] {  
        background:transparent url(icons/xls.png) no-repeat scroll left top;
        line-height:18px;
        padding-bottom:2px;
        padding-left:20px;
}
a[href$=".txt"], a[href$=".TXT"] {  
        background:transparent url(icons/txt.png) no-repeat scroll left top;
        line-height:18px;
        padding-bottom:2px;
        padding-left:20px;
}
a[href$=".js"], a[href$=".JS"] {  
        background:transparent url(icons/download.png) no-repeat scroll left top;
        line-height:18px;
        padding-bottom:2px;
        padding-left:20px;
}