A Hacky way of renaming an existing function

rename_function.js

/**
* Renames and existing function.
*
* @private
* @method rename_function
* @param name {String}
* @param fn {Function}
* @return Function
*/
function rename_function(name, fn) 
{
	return (
		new Function(
			"return function (call) { return function " + 
			name + 
			" () { return call(this, arguments) }; };"
		)())(Function.apply.bind(fn)
	)
}