$(document).ready(function(){
	$("#frm_login").validate({
		rules: {
			txt_username: {
				required: true
			},
			txt_password: {
				required: true
			}
		},
		messages: {
			txt_username: {
				required: "Please enter a username"
			},
			txt_password: {
				required: "Please provide a password"
			}
		}
	});
});