<script>
	$(document).ready(function(){
		$("#demoForm").validate(
		{
			rules:{
				username:{
					required:true,
					minlength:2,
					maxlength:10
				},
				password:{
					required:true,
					minlength:2,
					maxlength:16
				}
			},
			messages:{
				username:{
					required:"用戶名必須填寫",
					minlength:"用戶名最小為2位",
					maxlength:"用戶名最大為10位"
				},
				password:{
					required:"必須填寫密碼",
					minlength:"密碼最小為2位",
					maxlength:"密碼最大為16位"
				}

			}
		});

	});
</script>