function manage_comments(el){ 
	if($('#comments').length > 0){
		if($('#comments').css('display') == 'none'){ 
			window.scrollTo(0,$(el).offset().top); // move the scrollbar to the top of the comments
			$(el).html('Hide Comments');
		} else {
			$(el).html('View Comments');
		}
		$('#comments').toggle('slow'); 
	}
}