function wordwrap( str, width, brk, cut ) {
     brk = brk || '\n';
     width = width || 75;
     cut = cut || false;

     if (!str) { return str; }

     var regex = '.{1,' +width+ '}(\\s|$)' + (cut ? '|.{' +width+ '}|.+$' : '|\\S+?(\\s|$)');

     return str.match( RegExp(regex, 'g') ).join( brk );
}