$(document).ready(function() {
      $('.link_change_language').click(function(){
        language_code= this.id;
		$.ajax({
			type: "POST",
			url: '/_ajax/change_language.php',
			data: "language_code="+language_code,
			success: function(){
			  window.location.reload(true);
			}					   
		 });
	});
});