script.aculo.us defines a handful of other methods that don't fit in the main categories.
Scriptaculous.Version
Defined in scriptaculous.js, which is not included by default in the Rails distribution. A string containing the current version of script.aculo.us.
Scriptaculous.Version // => '1.6.1'
Scriptaculous.require(libraryName)
Defined in scriptaculous.js, which is not included by default in the Rails distribution. Takes a URL to a JavaScript file and appends a <SCRIPT> tag to the current document, thereby loading the file.
Defined in scriptaculous.js, which is not included by default in the Rails distribution. Requires each of the standard files in the script.aculo.us distribution: builder.js, effects.js, dragdrop.js, controls.js, and slider.js.
Scriptaculous.load( )
String.prototype.parseColor
Defined in effects.js. Converts a string from rgb(x,x,x) or #xxx format to #xxxxxx format.