$(document).ready(function(){
	$("#sidebar ul li:contains('Français'), #sidebar ul li:contains('English')").each(function(){
		var url = window.location.href;
		if(url.indexOf("_f.html") > -1){
			$(this).find("a").attr({href: url.replace("_f.html", ".html")});
		}else{
			$(this).find("a").attr({href: url.replace(".html", "_f.html")});
		}
	});
});