function reservation(url, empty, lang){
	if($("#res_date").val()!='' && $("#res_hour").val()!='' && $("#res_people").val()!=''){
		$.ajax({
			type: 'get',
			url: url,
			data: 'date='+escape($("#res_date").val())+'&hour='+escape($("#res_hour").val())+'&people='+escape($("#res_people").val())+'&phone='+escape($("#res_phone").val())+'&email='+escape($("#res_email").val())+'&lang='+lang,
			dataType: "html",
			success: function(html){
				$("#reservation_form").css("display", "none");
				$("#reservation").css("display", "block");
			}
		});
	}
	else {
		alert(empty);
	}
}