Example image swap code for SEO. This code meet certain requirements which are mentioned in the article. Few are:template kind of code, image size can differ.

Know which database is in effect! All Queries are executing against which database?

fix html table width. It is a hack using javascript where I do not have a privilege to increase upper table width.

Many times you may have created excel sheet dynamically by server side script and you may have thought that for adding color and header etc. is possible only using spreadsheet software. This can be done by person who will use this generated sheet.
You can add color and other designs to your dynamically created excel file.

Add [...]

Sort column/field data in ascending / descending order while maintaining row data with the help of JavaScript only. So, no server-side script and no page refresh.