A couple weeks ago I built something similar, except that my solution is even smaller (doesn't depend on jQuery, 1 single file, 1KB gzipped and minified). Check

A couple weeks ago I built something similar, except that my solution is even smaller (doesn't depend on jQuery, 1 single file, 1KB gzipped and minified). Check out: http://buunguyen.github.io/rainbow.js/ http://buunguyen.github.io/rainbow.js/.