function changeLang(lg)
{
	var url = window.location.pathname;
	//remove the /en/ or the /fr/
	var pathname = url.substring(0,url.lastIndexOf('/')-2);
	var filename = url.substring(url.lastIndexOf('/')+1);
	window.location.pathname = pathname + lg +'/'+ filename;
	alert(pathname + lg +'/'+ filename);
	location.reload();

	
}