function ucwords (str) {
	// Uppercase the first character of every word in a string  
	// 
	// version: 1102.614
	// discuss at: http://phpjs.org/functions/ucwords
	// +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
	// +   improved by: Waldo Malqui Silva
	// +   bugfixed by: Onno Marsman
	// +   improved by: Robin
	// +      input by: James (http://www.james-bell.co.uk/)
	// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// *     example 1: ucwords('kevin van  zonneveld');
	// *     returns 1: 'Kevin Van  Zonneveld'
	// *     example 2: ucwords('HELLO WORLD');
	// *     returns 2: 'HELLO WORLD'
	return (str + '').replace(/^([a-z])|\s+([a-z])/g, function ($1) {
		return $1.toUpperCase();
	});
}