PHP ucfirst() and ucwords() in Flex

Another common PHP function converted to ActionScript for use in a Flex application.

public function ucfirst( str:String ):String
{
  return str.substr(0,1).toUpperCase()+str.substr(1);
}
public function ucwords( str:String ):String
{
  var myArr:Array = str.split(' ');
  for (var i:int in myArr ) {
     myArr[i] = ucfirst( myArr[i] );
  }
  return myArr.join(' ');
}