function changes(s,n){
	if(s == 1){
		switch(n){
			case '1':
				$('a1').className = "on_red";
				$('a1a').innerHTML = "致辞";
				break;
			case '2':
				$('a2').className = "on_fen";
				$('a2a').innerHTML = "我们是谁";
				break;
			case '3':
				$('a3').className = "on_lan";
				$('a3a').innerHTML = "我们的业务";
				break;
			case '4':
				$('a4').className = "on_huang";
				$('a4a').innerHTML = "顾问团队";
				break;
			case '5':
				$('a5').className = "on";
				$('a5a').innerHTML = "中国项目";
				break;
			case '6':
				$('a6').className = "on_ju";
				$('a6a').innerHTML = "联系我们";
				break;
			case '7':
				$('a7').className = "on_tian";
				$('a7a').innerHTML = "登陆 | 注册";
				break;
		}
	}else{
		switch(n){
			case '1':
				$('a1').className = "";
				$('a1a').innerHTML = "THE MESSAGES";
				break;
			case '2':
				$('a2').className = "";
				$('a2a').innerHTML = "WHO ARE WE?";
				break;
			case '3':
				$('a3').className = "";
				$('a3a').innerHTML = "WHAT WE DO?";
				break;
			case '4':
				$('a4').className = "";
				$('a4a').innerHTML = "CONSULTANT TEAM";
				break;
			case '5':
				$('a5').className = "";
				$('a5a').innerHTML = "PROGRAMS IN CHINA";
				break;
			case '6':
				$('a6').className = "";
				$('a6a').innerHTML = "CONTACT US";
				break;
			case '7':
				$('a7').className = "";
				$('a7a').innerHTML = "LOGIN | REGISTER";
				break;
		}
	}
}

function $(p){
	return document.getElementById(p);
}