function sendToFriend(lang) {
	if (typeof(lang) == "undefined") lang = "eng";

	if (lang=="eng") {
		var body = "You have received the following link:"+ escape("\n\n") +"Click the following to access the sent link:" + escape("\n\n") + location.href;
	} else {
		var body = "你收到以下超連結：" + escape("\n\n") + "按以下的連結去觀看該網頁：" + escape("\n\n") + location.href;
	}
	location.href = "mailto:?subject=" + document.title + "&body=" + body;
}