if( document.getElementsByTagName && document.cloneNode && document.appendChild ) {

  var titles = document.getElementsByTagName( 'h2' );
  for( var x = 0; x < titles.length; x++ ) {
    
    var ctitle = document.getElementsByTagName( 'h2' ).item( x );
    var titlecopy = ctitle.firstChild.cloneNode( true );
    var span = document.createElement( 'span' );
    span.appendChild( titlecopy );
    ctitle.appendChild( span );
    ctitle.style.color = "#000";

  }



}