var editor = new YAHOO.widget.Editor('editor', {
    height: '300px',
    width: '600px',
    dompath: true
});
editor.on('toolbarLoaded', function() {
    //Create a new Group of buttons
    var newGroup = {
        group: 'clearprint', label: 'Clear/Print',
        buttons: [
            //Add the Clear Button
            { type: 'push', label: 'Clear', value: 'clear' },
            //Add the Print Button
            { type: 'push', label: 'Print', value: 'print' }
        ]
    };
    //Add the group to the Toolbar
    editor.toolbar.addButtonGroup(newGroup);

    //Listen for the clear button click
    editor.toolbar.on('clearClick', function(ev) {
        //Clear the Editor
        editor.setEditorHTML('');
        //Focus the Editor
        editor.focus();
    });
    //Listen for the Print button click
    editor.toolbar.on('printClick', function(ev) {
        //Tell the window to print.
        editor._getWindow().print();
    });
});
editor.render();