var login = function () {
    
    return {
        //main function to initiate the module
        init: function () {
        	
           $('.login-form').validate({
	            errorelement: 'label', //default input error message container
	            errorclass: 'help-inline', // default input error message class
	            focusinvalid: false, // do not focus the last invalid input
	            rules: {
	                username: {
	                    required: true
	                },
	                password: {
	                    required: true
	                },
	                remember: {
	                    required: false
	                }
	            },

	            messages: {
	                username: {
	                    required: "请输入用户名."
	                },
	                password: {
	                    required: "请输入密码."
	                }
	            },

	            invalidhandler: function (event, validator) { //display error alert on form submit   
	                $('.alert-error', $('.login-form')).show();
	            },

	            highlight: function (element) { // hightlight error inputs
	                $(element)
	                    .closest('.control-group').addclass('error'); // set error class to the control group
	            },

	            success: function (label) {
	                label.closest('.control-group').removeclass('error');
	                label.remove();
	            },

	            errorplacement: function (error, element) {
	                error.addclass('help-small no-left-padding').insertafter(element.closest('.input-icon'));
	            },

	            submithandler: function (form) {
	            	$('.login-form').sibmit();
	            }
	        });

	        $('.login-form input').keypress(function (e) {
	            if (e.which == 13) {
	                if ($('.login-form').validate().form()) {
		            	$('.login-form').sibmit();
	                }
	                return false;
	            }
	        });
	        
        }

    };

}();