php if class_exists breadcrumb_navigatio n_xt Display prefix next line

<?php 
if (class_exists('breadcrumb_navigation_xt')) {
// Display a prefix
/* ***** next line screened by me
	echo 'Navigation: '; */
// new breadcrumb object
$mybreadcrumb = new breadcrumb_navigation_xt;
// Options for breadcrumb_navigation_xt
	$mybreadcrumb->opt['title_blog'] = 'главная';
	$mybreadcrumb->opt['separator'] = '&nbsp;&raquo; ';
	$mybreadcrumb->opt['current_item_style_prefix'] = '<span class="current">';
	$mybreadcrumb->opt['current_item_style_suffix'] = '</span>';
	$mybreadcrumb->opt['urltitle_prefix'] = 'перейти в &laquo;';
	$mybreadcrumb->opt['urltitle_suffix'] = '&raquo;';
	$mybreadcrumb->opt['singleblogpost_category_display'] = true;
	
	$mybreadcrumb->opt['singleblogpost_prefix'] = ''; 
	$mybreadcrumb->opt['archive_date_prefix'] = 'архив: ';
	$mybreadcrumb->opt['archive_category_prefix'] = '';
	$mybreadcrumb->opt['archive_category_suffix'] = '';
// Display the breadcrumb
	$mybreadcrumb->display(); 
}
?>