var login = {
		username : "",
		password : "",
		go : function(){
				if(this.check()){
					$.ajax({
						type: "POST",
						url:"/login?rh="+Math.random(),
						cache: false,
						data:$("#AJAXlogin").serialize(),
						dataType:"json",
						success:function(ret){
									if(ret.error){
										showmessage(ret.message);
									}else{
										window.location.reload();
									}
								}
					});
				}
			 },
		check : function(){
				 this.username = $("#AJAXusername").get(0).value;
				 this.password = $("#AJAXpassword").get(0).value;
				 if(this.username == ""){
					 showmessage("请输入用户名或注册邮箱地址");
					 $("#AJAXusername").get(0).focus();
					 return false;
				 }
				 if(this.password == ""){
					 showmessage("请输入密码");
					 $("#AJAXpassword").get(0).focus();
					 return false;
				 }
				 return true;
			 }
};