function go_menu(a, b){
	
	if(a == 1 && b == 1) {
		location.href = "/about/about.html";	
	}else if(a == 2 && b == 1) {
		location.href = "/pro/pro.html";	
	}else if(a == 3 && b == 1) {
		location.href = "/cluture/activities.html";	
	}else if(a == 4 && b == 1) {
		location.href = "/cooperation/cooperation.html";
	}else if(a == 5 && b == 1) {
		location.href = "/join/join.html";	
	}
}