//>>excludeStart("exclude", pragmas.exclude);
define([ "shoestring" ], function(){
//>>excludeEnd("exclude");

	/**
	 * Add a class to each DOM element in the set of elements.
	 *
	 * @param {string} className The name of the class to be added.
	 * @return shoestring
	 * @this shoestring
	 */
	shoestring.fn.addClass = function( className ){
		var classes = className.replace(/^\s+|\s+$/g, '').split( " " );

		return this.each(function(){
			for( var i = 0, il = classes.length; i < il; i++ ){
				if( this.className !== undefined &&
						(this.className === "" ||
						!this.className.match( new RegExp( "(^|\\s)" + classes[ i ] + "($|\\s)"))) ){
					this.className += " " + classes[ i ];
				}
			}
		});
	};

//>>excludeStart("exclude", pragmas.exclude);
});
//>>excludeEnd("exclude");