es.Document = function( wikidomBlocks ) {
    var blocks = [];

    for ( var i = 0; i < wikidomBlocks.length; i++ ) {
        var block = Block.newFromWikidom( wikidomBlocks[i] );
        if ( block ) {
            blocks.push( block );
        }
    }

    es.Container.call( this, 'document', 'blocks', blocks );
    this.width = null;
}