jQuery 2.0.0b1, HTML, CSS, JavaScript
http://www.piccante.co/soh_tanaka_accordion/index.html
jQuery 1.7.2, HTML, CSS, JavaScript
http://api.jquery.com/data/
jQuery 1.9.1, HTML, CSS, JavaScript
http://stackoverflow.com/questions/5683364/how-to-make-pure-css-floating-tooltips-absolutely-positioned-span-dynamically
http://jsbin.com/eyeyu/1/edit http://stackoverflow.com/questions/788225/table-row-and-column-number-in-jquery