var mei_head = {
		news	: function (s){this.status(s,'new_menu');},
		join 	: function (s){this.status(s,'join_menu');},
		about 	: function (s){this.status(s,'about_menu');},
		status	: function (s,id){
						if(s == 1){
							document.getElementById(id).style.display = "block";
							document.getElementById(id+'li').style.zIndex = 8;
						}else{
							document.getElementById(id).style.display = "none";
							document.getElementById(id+'li').style.zIndex = 0;
						}			
					}
}