Problem to show a category in the Search Box of the header

		// Search box
		if ( $bfa_ata['show_search_box'] == "Yes" ) { 
				
		if ( is_category() ){
		
			$logo_area .= '<td valign="bottom" class="search-box" align="right">';
			$logo_area .= '<div style="width:150px;margin: 0 140px 0 0;"><span style="color:#006699;font-weight: bold;">Buscar '; 		
			$logo_area .= single_cat_title('');
			$logo_area .= ' </span></div><div class="searchbox">	
			

			   <form method="get" class="searchform" action="' . get_bloginfo( 'url' ) . '/">
				<div class="searchbox-form">' .
					// Check for WP 2.2 which doesn't know get_search_query
					(function_exists('get_search_query') ? '
					<input type="text" class="text inputblur" onfocus="this.value=\''.
					(get_search_query() ? get_search_query() : '' ).'\'" 
					value="' . (get_search_query() ? get_search_query() : $bfa_ata['searchbox_text'] ) . 
					'" onblur="this.value=\''.(get_search_query() ? get_search_query() : $bfa_ata['searchbox_text'] ).
					'\'" name="s" />' :
					'<input type="text" class="text inputblur" name="s" />') .
				'</div>
				</form>
			</div>
			</td>';