I recently worked on a wiki at work and wanted to create document icons for links to files without manually adding classes to every link. Enter jQuery… and voila! Word Document Excel Document PowerPoint Document PDF Document Zip File Link The html looks like this: <ul class="docs"> <li><a href="#document.doc" alt="">Word Document</a></li> <li><a href="#Excel-file.xls" alt="">Excel Document</a></li> [...]